One of the most exacting building standards is making its way to the United States from Europe, reports The New York Times. Passive, or “zero energy,” houses maintain a comfortable interior climate without active heating and cooling systems, according to the Passivhaus Institut, which administers the standard. That is achieved through a system of interior and exterior air exchange, an airtight building envelope and energy-saving appliances, among other things. Read the full article here.
Source: The New York Times.
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