low energy house Archives – The Green Optimistic green tech news, since 2008 Wed, 10 Jun 2009 08:42:58 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Passivhaus: German-Style Superefficient and Superinsulated Home https://www.greenoptimistic.com/passivhaus-german-style-superefficient-and-superinsulated-home-20090610/ https://www.greenoptimistic.com/passivhaus-german-style-superefficient-and-superinsulated-home-20090610/#comments Wed, 10 Jun 2009 08:42:58 +0000 https://www.greenoptimistic.com/?p=3707 Passivhaus is a German concept of a home that needs very little heating or cooling, because it is so well insulated that it could basically be built on martian surface. There are more then 20,000 of these Passivhaus homes worldwide, many of them being buildings, kindergartens and office spaces.

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