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GOAT Hotel AC unit
(lemmy.world)
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this post was submitted on 15 May 2025
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Air conditioners are heat pumps.
I think that advice is specific to the “underground heat exchanger” type of heat pump.
It’s not; air source are also not particularly fast to make significant temperature changes compared with gas or electric heat when appropriately sized.
It is more specific to radiant (water/steam/in-floor) solutions though, as that is very slow to adjust
Yes I know, I meant air/water heat pumps which heat/cool the mass of a building instead of the air. AC units are oversized more often than not and are not that efficient at modulating. I think it's safe to say that it's more efficient to turn it of when you leave for more than an hour or two