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[–] 3 points 3 years ago (1 child)

Yeah, for some reason we renamed them to heat pump.

I suppose they can also be used to slowly heat water as well as the air, which is the main difference.

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  • [–] 4 points 3 years ago

    I like "heat pump". It's a very nice ELI5 name. It's a pump for heat. A water pump takes water and forces it to where it wouldn't go naturally. A heat pump does the same.

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