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Heat pumps twice as efficient as fossil fuel systems in cold weather, study finds
(www.theguardian.com)
this post was submitted on 12 Sep 2023
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But does it more effectively keep houses warm in cold weather, and cool in hot?
Heat pumps are most effective in moving heat from where it is abundant to where it isnt. This means they're best at keeping your house warm in warm weather, and keeping it cool in cool weather.
Then a heat pump won't do any good. Achieving the right temperature is far more important.
no he said "best". they still work, just not as efficiently.
Yes. Heat pumps heat homes more effectively than the alternatives down to remarkably low temperatures, and many models also serve as air conditioning - it's merely a matter of inverting the process.