If the Pacific Northwest is a hotbed of the passive house movement, then Portland, with its temperate climate and progressive mindset, is North America’s Ground Zero. With a comparable climate to Germany—warm, dry summers and cold, rainy winters—it is relatively easy to build according to rigorous passive standards. The city has more Passive Houses than anywhere else in the country—100, according to one count—and more certified consultants.
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Posted on October 17, 2015