Passive Passion

20 years ago, European physicists synthesized a package of design principles that reduces a dwelling's heating and cooling energy use by nine tenths. Over 20,000 buildings in Europe have bee... Read all20 years ago, European physicists synthesized a package of design principles that reduces a dwelling's heating and cooling energy use by nine tenths. Over 20,000 buildings in Europe have been built to the Passive House standard, and today, a burgeoning community of enthusiasts in... Read all20 years ago, European physicists synthesized a package of design principles that reduces a dwelling's heating and cooling energy use by nine tenths. Over 20,000 buildings in Europe have been built to the Passive House standard, and today, a burgeoning community of enthusiasts in the U.S. actively works to spread the concept.