12-27-2008, 11:52 AM
Passive houses
wrote: "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." ...more here
"Nabih Tahan, a California architect who worked in Austria for 11 years, is completing one of the first passive houses in the United States for his family in Berkeley. He heads a group of 70 Bay Area architects and engineers working to encourage wider acceptance of the standards. “This is a recipe for energy that makes sense to people,” Mr. Tahan said. “Why not reuse this heat you get for free?”
Ironically, however, when California inspectors were examining the Bezerkley home to determine whether it met “green” building codes (it did), he could not get credit for the heat exchanger, a device that is still uncommon in the United States"