Forget LEED and Energy Star, the Real Green Building Standard is Passivhaus (Slideshow)

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There are a lot of architects using passive design, but when it comes to building a truly green, healthy house, there is nothing on earth like the Passivhaus. Through careful design, quality windows and a huge amount of insulation, these houses need almost no heat at all. It's big in Europe and it is coming to America in style.

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Forget LEED and Energy Star, the Real Green Building Standard is Passivhaus (Slideshow)
There are a lot of architects using passive design, but when it comes to building a truly green, healthy house, there is nothing on earth like the Passivhaus. Through careful design, quality windows and a huge amount of insulation, these houses need

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