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

submitted 10 months 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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[–] Thorny_Insight@lemm.ee 4 points 10 months ago (1 children)

When the supplemental electric heating coils come on, it is less efficient ON THAT DAY, than the alternative electric options.

It depends what you mean by the alternative electric options. Electric resistance heating is 100% efficient and that's what my heatpump effectively is when it gets cold enough. It's not less efficient than wall mounted electric radiators even when it drops to -30C. You just lose the efficiency of a heatpump for that time.

[–] Gabu@lemmy.world 3 points 10 months ago

Exactly - people somehow fail to understand that Heat Pumps, by necessity, are always more efficient than 100% of an equivalent electric solution.