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The Passive House concept for ultra-low-energy buildings first developed in the United States during the 1970s energy crisis, only to be adopted and refined into a codified certification system in Germany, after funding in this country dried up. But, like a prodigal son, Passive House has reemerged in the U.S., with use of the certification system steadily gaining ground over the last decade. Currently, there are more than 140 U.S. projects that have met the rigorous German-born standards. Satisfying the stringent criteria requires airtight, super-insulated envelopes that are shaped by ambitious performance goals. Click here to read about it »
Photo © Jeremy Bittermann
The Passive House concept for ultra-low-energy buildings first developed in the United States during the 1970s energy crisis, only to be adopted and refined into a codified certification system in Germany, after funding in this country dried up. But, like a prodigal son, Passive House has reemerged in the U.S., with use of the certification system steadily gaining ground over the last decade. Currently, there are more than 140 U.S. projects that have met the rigorous German-born standards. Satisfying the stringent criteria requires airtight, super-insulated envelopes that are shaped by ambitious performance goals. Click here to read about it »
Photo © Jeremy Bittermann
