Passive House: A new metric for 'green' homes

Sonoma, Calif., homeowner Catherine O'Neill decided last year to "green" her home, so she called on Rick Milburn, owner of Solar Knights Construction, to look at Passive House--a sustainable solution that focuses on energy efficiency, indoor air quality, and super-thick insulation. SmartPlanet takes a peek at the first Passive House retrofit in the United States.

This post was originally published on Smartplanet.com