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

submitted 10 months ago by L4s to c/technology

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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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[–] [email protected] 2 points 10 months ago* (last edited 10 months ago)

Generally you'd have a backup heat source with an air-to-air heat pump for those really cold days like -15C and colder, like a gas furnace or a heating element unit inside (like with electrical coils). Air-to-air heat pumps are more efficient on warmer days, on colder days they would be less efficient but you'd still have a backup heat source so it would still "work", so the article is still somewhat correct in that sense.

Also, electric baseboard heaters can be quite a bit louder than forced-air systems with a heat pump, so you'd still be better off with a heat pump in those cases.