Passive housing

passive_houseA fascinating article here at Physorg on American versions of German “passive houses” – houses that maintain a comfortable temperature in cold climates without the need for active heating systems:

Because there is no furnace, the rooms are quiet. The only sound in the kitchen is the hum of a refrigerator, which along with other appliances, helps supply heat to the airtight 2,300-square-foot Batavia, Ill., home.

Katrin Klingenberg, founder of the institute in Urbana, Ill., said that typically, passive-house owners use 10 percent of the energy used in a standard home.

More info on passive housing can be found here.

[image from popaver on flickr]