It’s probably a safe bet to assume you’ve never been in or even passed by a zero energy building. The U.S. Department of Energy lists only eight zero energy buildings in the U.S. on its high performance building database (though there are a few others scattered across the U.S.). A number of developers, such as
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Passivhaus
It’s a commonly held perception that Europe leads the Western world with respect to energy efficiency. In many ways, it’s true. Europeans tend to live in smaller homes than Americans and are less fond of air conditioning and other energy-intensive equipment and appliances. The Passivhaus standard, which has