"Passive" houses in Germany

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christine
User offline. Last seen 1 week 6 days ago. Offline
Joined: 11/26/2008

Probably everybody heard of passive solar homes, but we don't hear about these heat exchangers:

No Furnaces but Heat Aplenty in Innovative ‘Passive Houses’

 

Published: December 26, 2008

DARMSTADT, Germany — From the outside, there is nothing unusual about the stylish new gray and orange row houses in the Kranichstein District, with wreaths on the doors and Christmas lights twinkling through a freezing drizzle. But these houses are part of a revolution in building design: There are no drafts, no cold tile floors, no snuggling under blankets until the furnace kicks in. There is, in fact, no furnace.

In Berthold Kaufmann’s home, there is, to be fair, one radiator for emergency backup in the living room — but it is not in use. Even on the coldest nights in central Germany, Mr. Kaufmann’s new “passive house” and others of this design get all the heat and hot water they need from the amount of energy that would be needed to run a hair dryer.

“You don’t think about temperature — the house just adjusts,” said Mr. Kaufmann, watching his 2-year-old daughter, dressed in a T-shirt, tuck into her sausage in the spacious living room, whose glass doors open to a patio. His new home uses about one-twentieth the heating energy of his parents’ home of roughly the same size, he said.

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That sure sounds good to me and I had a look at http://www.passivehouse.us/passiveHouse/FAQ.html

I found NO useful information AT ALL. 

High priced elitist designers hawking their books and services.

At the very least they could have some info on the heat exchangers and HEPA filters.