German architects are building a new type of house so airtight it doesn't require a furnace to stay warm inside, even during the cold Baltic winters.
They stay warm mostly by utilizing the body heat of their occupants.
See today's New York Times for more.
2 comments:
Dave I'm glad you brought this up. My living place could do that if the walls had about 4 times the insulation that they have now. It does have the airtighness even now.
The US is filled with severely underinsulated buildings.
My mom's place is well insulated, but the windows leak a lot of cold air.
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