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  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Solar_Power_Drone_0029.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Solar_Power_Drone_0022.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Solar_Power_Drone_0031.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Solar_Power_Drone_0012.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Wind_Turbine_Drone_0064.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Solar_Power_Drone_0016.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Solar_Power_Drone_0009.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Wind_Turbine_Drone_0093.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Wind_Turbine_Drone_0068.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Wind_Turbine_Drone_0058.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Solar_Power_Drone_0020.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Wind_Turbine_Drone_0084.jpg
  • Solar Power and Wind Turbines north of Beijing. China is the world leader in renewable energy.
    Solar_Power_Drone_0025.jpg
  • Triple glazing ensures maximum energy efficiency and insulation for this ultra-low-energy home.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ain
    passive_house_108_ngd_2015_1F2C0240.JPG
  • Triple glazing ensures maximum energy efficiency and insulation for this ultra-low-energy home.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ain
    passive_house_106_ngd_2015_1F2C0236.JPG
  • Heat exchange controls and energy storage in a basement utility room for the ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus,
    passive_house_098_ngd_2015_1F2C0388.JPG
  • Triple stepped door closing ensures maximum energy efficiency and insulation for this ultra-low-energy home.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement
    passive_house_109_ngd_2015_1F2C0249.JPG
  • Heat exchange controls and energy storage in a basement utility room for the ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus,
    passive_house_099_ngd_2015_1F2C0391.JPG
  • Triple stepped door closing ensures maximum energy efficiency and insulation for this ultra-low-energy home.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement
    passive_house_112_ngd_2015_1F2C0256.JPG
  • Triple stepped door closing ensures maximum energy efficiency and insulation for this ultra-low-energy home.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement
    passive_house_111_ngd_2015_1F2C0253.JPG
  • Triple stepped door closing ensures maximum energy efficiency and insulation for this ultra-low-energy home.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement
    passive_house_110_ngd_2015_1F2C0252.JPG
  • Triple glazing ensures maximum energy efficiency and insulation for this ultra-low-energy home.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ain
    passive_house_107_ngd_2015_1F2C0238.JPG
  • Heat exchange controls and energy storage in a basement utility room for the ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus,
    passive_house_100_ngd_2015_1F2C0395.JPG
  • Heat exchange controls and energy storage in a basement utility room for the ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus,
    passive_house_097_ngd_2015_1F2C0381.JPG
  • Solar panel control panel, showing amounts of excess energy produced, which is sold to the electricity grid<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement
    passive_house_103_ngd_2015_1F2C0402.JPG
  • Eric and Ikuko's ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch and beautifully arranged. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres
    passive_house_117_ngd_2015_1F2C0221.JPG
  • Solar panel control panel, showing amounts of excess energy produced, which is sold to the electricity grid<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement
    passive_house_105_ngd_2015_1F2C0405.JPG
  • Solar panel control panel, showing amounts of excess energy produced, which is sold to the electricity grid<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement
    passive_house_104_ngd_2015_1F2C0403.JPG
  • Solar panel control panel, showing amounts of excess energy produced, which is sold to the electricity grid<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement
    passive_house_102_ngd_2015_1F2C0399.JPG
  • Solar panels are installed on the roof providing +energy which the house doesn't use, allowing the Lenté family to sell ±2000€ to the electricity grid<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en tri
    passive_house_095_ngd_2015_1F2C0352.JPG
  • Eric Lenté having an expresson in the kitchen with a wide open view through triple glazed windows onto the garden. The house is ultra-low-energy. Opening windows lets the heat escape.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les
    passive_house_050_ngd_2015_1F2C0108.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_045_ngd_2015_1F2C0359.JPG
  • Eric Lenté's home office space on the first floor of their ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ainsi que toute l
    passive_house_021_ngd_2015_1F2C0161.JPG
  • Eric and Ikuko upstairs in their wooden ultra-low-energy home. Interior walls are clad in pine, floors concrete with resin<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont
    passive_house_020_ngd_2015_1F2C0122.JPG
  • Solar panels are installed on the roof providing +energy which the house doesn't use, allowing the Lenté family to sell ±2000€ to the electricity grid<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en tri
    passive_house_096_ngd_2015_1F2C0355.JPG
  • Yulis Lenté on the sofa in the living room. There are no radiators. Their home is warm with ultra-low-energy, insulated with triple glazing<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et
    passive_house_059_ngd_2015_1F2C0096.JPG
  • Eric Lenté's home office space on the first floor of their ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ainsi que toute l
    passive_house_023_ngd_2015_1F2C0158.JPG
  • Eric, Ikuko and Yulis Lenté pictured in their "passive home" with enough wood to comfortably heat their home for ± one month during winter. They only need to use wood when there is no sunlight for a period of several days. Even in winter cold of -10 degrees, the sun's rays are sufficient to heat the ultra-low-energy house.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a géné
    passive_house_005_ngd_2015_1F2C0088.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_092_ngd_2015_1F2C0337.JPG
  • Eric and Ikuko's ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple
    passive_house_080_ngd_2015_1F2C0234.JPG
  • Eric Lenté having an expresson in the kitchen with a wide open view through triple glazed windows onto the garden. The house is ultra-low-energy. Opening windows lets the heat escape.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les
    passive_house_048_ngd_2015_1F2C0105.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_041_ngd_2015_1F2C0376.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_038_ngd_2015_1F2C0374.JPG
  • Eric, Ikuko and Yulis Lenté pictured in their "passive home" with enough wood to comfortably heat their home for ± one month during winter. They only need to use wood when there is no sunlight for a period of several days. Even in winter cold of -10 degrees, the sun's rays are sufficient to heat the ultra-low-energy house.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a géné
    passive_house_002_ngd_2015_1F2C0048.JPG
  • Accredited "Maison Passive" from Passivhaus institute<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ainsi que toute la menuiserie. De plus, l’h
    passive_house_124_ngd_2015_1F2C0246.JPG
  • A Sedum roof, on the garage, provides natural insulation, and drainage, whilst also providing environmental and ecological advantages for flora and fauna. In many countries "Sedum" is obligatory for fkat roofs<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de
    passive_house_120_ngd_2015_1F2C0167.JPG
  • Entrance to ultra-low-energy home. The entrance and garage are on the 'cold' side of the house. Only one small window visible as the sun's rays do not enter this side of the home. On this side windows can only lose heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon
    passive_house_119_ngd_2015_1F2C0421.JPG
  • Entrance to ultra-low-energy home. The entrance and garage are on the 'cold' side of the house. Only one small window visible as the sun's rays do not enter this side of the home. On this side windows can only lose heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon
    passive_house_118_ngd_2015_1F2C0416.JPG
  • Eric and Ikuko's ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple
    passive_house_116_ngd_2015_1F2C0218.JPG
  • Eric and Ikuko's ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple
    passive_house_115_ngd_2015_1F2C0214.JPG
  • Eric and Ikuko's ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple
    passive_house_114_ngd_2015_1F2C0112.JPG
  • Eric and Ikuko's ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple
    passive_house_113_ngd_2015_1F2C0201.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_093_ngd_2015_1F2C0348.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_091_ngd_2015_1F2C0336.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_090_ngd_2015_1F2C0331.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_089_ngd_2015_1F2C0330.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_088_ngd_2015_1F2C0328.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_086_ngd_2015_1F2C0324.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_084_ngd_2015_1F2C0320.JPG
  • Eric and Ikuko in the first floor landing of their ultra-low-energy home, the interior is entirely clad with pine<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécial
    passive_house_083_ngd_2015_1F2C0195.JPG
  • Eric and Ikuko in the first floor landing of their ultra-low-energy home, the interior is entirely clad with pine<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécial
    passive_house_082_ngd_2015_1F2C0190.JPG
  • Eric and Ikuko in the first floor landing of their ultra-low-energy home, the interior is entirely clad with pine<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécial
    passive_house_081_ngd_2015_1F2C0189.JPG
  • Looking down from the first floor to Eric and Ikuko, who live in an ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matéri
    passive_house_078_ngd_2015_1F2C0230.JPG
  • Looking down from the first floor to Eric and Ikuko, who live in an ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matéri
    passive_house_077_ngd_2015_1F2C0225.JPG
  • Eric, Ikuko, Anakin and Yulis outside. All the family are dressed in warm duvet jackets to protect them from the winter cold. Inside their home is comfortably warmed just by the sun's rays. No other heating is necessary whilst the sun shines.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45
    passive_house_075_ngd_2015_1F2C0283.JPG
  • Eric, Ikuko, Anakin and Yulis outside. All the family are dressed in warm duvet jackets to protect them from the winter cold. Inside their home is comfortably warmed just by the sun's rays. No other heating is necessary whilst the sun shines.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45
    passive_house_069_ngd_2015_1F2C0298.JPG
  • Eric, Ikuko, Anakin and Yulis outside. All the family are dressed in warm duvet jackets to protect them from the winter cold. Inside their home is comfortably warmed just by the sun's rays. No other heating is necessary whilst the sun shines.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45
    passive_house_068_ngd_2015_1F2C0297.JPG
  • Eric, Ikuko, Anakin and Yulis outside. All the family are dressed in warm duvet jackets to protect them from the winter cold. Inside their home is comfortably warmed just by the sun's rays. No other heating is necessary whilst the sun shines.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45
    passive_house_063_ngd_2015_1F2C0315.JPG
  • Yulis Lenté on the sofa in the living room. There are no radiators. Their home is warm with ultra-low-energy, insulated with triple glazing<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et
    passive_house_060_ngd_2015_1F2C0097.JPG
  • Yulis Lenté on the sofa in the living room. There are no radiators. Their home is warm with ultra-low-energy, insulated with triple glazing<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et
    passive_house_058_ngd_2015_1F2C0093.JPG
  • Eric Lenté having an expresson in the kitchen with a wide open view through triple glazed windows onto the garden. The house is ultra-low-energy. Opening windows lets the heat escape.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les
    passive_house_051_ngd_2015_1F2C0109.JPG
  • Eric Lenté having an expresson in the kitchen with a wide open view through triple glazed windows onto the garden. The house is ultra-low-energy. Opening windows lets the heat escape.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les
    passive_house_046_ngd_2015_1F2C0100.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_044_ngd_2015_1F2C0358.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_043_ngd_2015_1F2C0357.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_039_ngd_2015_1F2C0363.JPG
  • Eric Lenté's home office space on the first floor of their ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ainsi que toute l
    passive_house_028_ngd_2015_1F2C0128.JPG
  • Eric Lenté's home office space on the first floor of their ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ainsi que toute l
    passive_house_027_ngd_2015_1F2C0126.JPG
  • The first floor landing of their ultra-low-energy home, the interior is entirely clad with pine<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ain
    passive_house_025_ngd_2015_1F2C0199.JPG
  • Eric and Ikuko upstairs in their wooden ultra-low-energy home. Interior walls are clad in pine, floors concrete with resin<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont
    passive_house_019_ngd_2015_1F2C0116.JPG
  • Eric and Ikuko upstairs in their wooden ultra-low-energy home. Interior walls are clad in pine, floors concrete with resin<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont
    passive_house_018_ngd_2015_1F2C0114.JPG
  • Eric, Ikuko and Yulis Lenté pictured in their "passive home" with enough wood to comfortably heat their home for ± one month during winter. They only need to use wood when there is no sunlight for a period of several days. Even in winter cold of -10 degrees, the sun's rays are sufficient to heat the ultra-low-energy house.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a géné
    passive_house_008_ngd_2015_1F2C0062.JPG
  • Eric, Ikuko and Yulis Lenté pictured in their "passive home" with enough wood to comfortably heat their home for ± one month during winter. They only need to use wood when there is no sunlight for a period of several days. Even in winter cold of -10 degrees, the sun's rays are sufficient to heat the ultra-low-energy house.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a géné
    passive_house_007_ngd_2015_1F2C0074.JPG
  • Eric, Ikuko and Yulis Lenté pictured in their "passive home" with enough wood to comfortably heat their home for ± one month during winter. They only need to use wood when there is no sunlight for a period of several days. Even in winter cold of -10 degrees, the sun's rays are sufficient to heat the ultra-low-energy house.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a géné
    passive_house_004_ngd_2015_1F2C0091.JPG
  • Eric, Ikuko and Yulis Lenté pictured in their "passive home" with enough wood to comfortably heat their home for ± one month during winter. They only need to use wood when there is no sunlight for a period of several days. Even in winter cold of -10 degrees, the sun's rays are sufficient to heat the ultra-low-energy house.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a géné
    passive_house_003_ngd_2015_1F2C0047.JPG
  • Eric, Ikuko and Yulis Lenté pictured in their "passive home" with enough wood to comfortably heat their home for ± one month during winter. They only need to use wood when there is no sunlight for a period of several days. Even in winter cold of -10 degrees, the sun's rays are sufficient to heat the ultra-low-energy house.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a géné
    passive_house_001_ngd_2015_1F2C0050.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_087_ngd_2015_1F2C0327.JPG
  • Exterior of Lenté family home. An ultra-low-energy wooden clad house, with triple glazed windows, 25-35cm insulated walls, solar panels and water heated by natural convection. The large triple glazed windows allow maximum amount of the sun's rays to enter and heat the house with minimum loss of heat<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 c
    passive_house_085_ngd_2015_1F2C0322.JPG
  • Looking down from the first floor to Eric and Ikuko, who live in an ultra-low-energy home. In Japanese style all shoes are left on the wooden interior porch. The floors are concrete with resin varnish.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matéri
    passive_house_079_ngd_2015_1F2C0232.JPG
  • Anakin and Yulis play computer video gamesin the very large but comfortably warm living room. Blinds are drawn to make the room less hot. The sun's rays heat the room, the windows are triple glazed, their are no radiators<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selo
    passive_house_052_ngd_2015_1F2C0204.JPG
  • Eric Lenté having an expresson in the kitchen with a wide open view through triple glazed windows onto the garden. The house is ultra-low-energy. Opening windows lets the heat escape.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les
    passive_house_049_ngd_2015_1F2C0107.JPG
  • Eric Lenté having an expresson in the kitchen with a wide open view through triple glazed windows onto the garden. The house is ultra-low-energy. Opening windows lets the heat escape.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les
    passive_house_047_ngd_2015_1F2C0101.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_042_ngd_2015_1F2C0364.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_040_ngd_2015_1F2C0369.JPG
  • Eric and Ikuko in the kitchen of their ultra-low-energy home. The huge windows are triple glazed for insulation. This side of the house faces south west taking the full capacity of the sun's rays, heating the house up. Windows can be opened to let heat out, or blinds shut to stop the sun's rays entering.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et
    passive_house_037_ngd_2015_1F2C0377.JPG
  • Eric Lenté's home office space on the first floor of their ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ainsi que toute l
    passive_house_026_ngd_2015_1F2C0125.JPG
  • Eric and Ikuko upstairs in their wooden ultra-low-energy home. Interior walls are clad in pine, floors concrete with resin<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont
    passive_house_024_ngd_2015_1F2C0111.JPG
  • Eric Lenté's home office space on the first floor of their ultra-low-energy home<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45 pour les toits, selon le type de matériau utilisé. Les fenêtres doivent être en triple vitrage et les châssis sont spécialement conçus, ainsi que toute l
    passive_house_022_ngd_2015_1F2C0163.JPG
  • Eric, Ikuko, Anakin and Yulis outside. All the family are dressed in warm duvet jackets to protect them from the winter cold. Inside their home is comfortably warmed just by the sun's rays. No other heating is necessary whilst the sun shines.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45
    passive_house_011_ngd_2015_1F2C0290.JPG
  • Eric, Ikuko and Yulis Lenté pictured in their "passive home" with enough wood to comfortably heat their home for ± one month during winter. They only need to use wood when there is no sunlight for a period of several days. Even in winter cold of -10 degrees, the sun's rays are sufficient to heat the ultra-low-energy house.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a géné
    passive_house_006_ngd_2015_1F2C0076.JPG
  • Eric, Ikuko, Anakin and Yulis outside. All the family are dressed in warm duvet jackets to protect them from the winter cold. Inside their home is comfortably warmed just by the sun's rays. No other heating is necessary whilst the sun shines.<br />
<br />
A "Maison Passive", Les Yvelines, near Paris, France. Home of Eric and Ikuko Lente and their children Anakin and Yulis. Only need ten small sacks of wood to help heat the house over a whole winter period, otherwise the house is heated by the sun's rays through the windows, and is virtually self-sufficient. Windows are triple glazed and doors triple stepped for optimum insulation. Hot water is made by natural convection roof panels through solar water heating. The house uses so little energy that the family sells electricity from solar panels€2000 to the grid. The house is entirely insulated and covered in wood inside and out. Flat roof is covered in Sedum plants for ecological, insulative and drainage. All solar, heat exchange and water controls are easily accessed inside the house.<br />
<br />
The term passive house (Passivhaus in German) refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling. Passive design is not an attachment or supplement to architectural design, but a design process that is integrated with architectural design.<br />
<br />
Une maison passive est un bâtiment économe en énergie. Les pertes de chaleur sont tellement limitées qu’un faible apport de chauffage est suffisant. La puissance d’un fer à repasser (+- 2000 W), permet de chauffer confortablement une maison pendant l’hiver ! Pendant l’été, les pare-soleils évitent la surchauffe de l’habitation. Une maison passive consomme en moyenne 4 fois moins d’énergie.<br />
Pour réaliser cela il faut d’abord isoler. Il y a généralement entre 25 et 35 cm d’isolant sur les murs, 20 cm pour les sols et 40 à 45
    passive_house_071_ngd_2015_1F2C0304.JPG
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Nigel Dickinson

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