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Heat pumps can't take the cold? Nordics debunk the myth (techxplore.com)

submitted 1 year ago by L4s@lemmy.world to c/technology@lemmy.world

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Heat pumps can't take the cold? Nordics debunk the myth::By installing a heat pump in his house in the hills of Oslo, Oyvind Solstad killed three birds with one stone, improving his comfort, finances and climate footprint.

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[–] Sodis@feddit.de 9 points 1 year ago (3 children)

I mean, it's not about them not working, it's the efficiency. Most models will switch to a normal electric heater, if they can't extract anymore heat from the surroundings. At which temperature that happens, depends on your type of heat pump.

[–] HelixDab2@lemm.ee 6 points 1 year ago (2 children)

Not correct for modern heat pumps. They work down to at least -40F without switching to creating heat.

[–] Sodis@feddit.de 2 points 1 year ago

That's why I said it depends on the type of the heat pump. Some can go really low, the cheaper ones not. At some point (the latest at -273.15C :D) they need to switch.

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