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Efficiency Studies: Good News or Bad?

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November 30, 1999

Hundreds of homes with ground source heat pumps have been monitored in recent years, mostly by electric utilities testing manufacturers' claims of performance and savings. [continue reading]

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Home Energy Rating Systems: Actual Usage May Vary

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September 01, 1997

Home energy rating systems (HERS) and related energy efficiency financing products have been in use since the late '70s. Today, 21 states have HERS. [continue reading]

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