Keyword Analysis & Research: energy star heat pumps ratings

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Why are heat pumps more efficient than resistive heaters?

The short answer is that it (usually) takes less energy to move energy than to generate resistance heating. Heat pump efficiency for heating goes down when the air is colder, so there is likely a cross-over point where coil heaters are more energy efficient, which may explain why furnaces dominate for heating in some areas. 3 level 1 LeShatelier

How efficient are heat pumps, really?

When you use that electricity in a heat pump, you get about three times as much heat as electrical energy used. That brings the net efficiency back up to the 90 to 100% range. And that’s about the same as a high-efficiency furnace. What happened to heat pumps being “more than twice as efficient”?

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