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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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[–] Pretzilla@lemmy.world 5 points 1 year ago (6 children)

I want to understand what happens when it's too cold out. And just running in pure air sourced HP mode, without supplemental heat.

Does it keep running at 100% but produces no heat? Limited heat? Does the house get colder and colder until everyone turns into a popsicle?

Or does it only heat the house to 18c instead of 20c?

In a climate where the low is -10c, how well does it work?

[–] Player2@sopuli.xyz 2 points 1 year ago

One thing that happens is that the defrost cycle takes a longer time, so it spends less time heating the building

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