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Heat pumps twice as efficient as fossil fuel systems in cold weather, study finds
(www.theguardian.com)
this post was submitted on 12 Sep 2023
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Technology
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It can go down to -30C (-22f) sometimes or even below that
Yeah averages are way higher than that. My point just was that saying they don't work in cold climates isn't quite true. Yes, there are locations with way colder climates than this but if Finland isn't considered a "cold climate" then I don't know what is.
Heat pumps are super common here. Many houses just have a electric resistance heating so people switch to heat pumps to save on electricity.
Are you intimately familiar with the inner workings of your heatpump? Nearly all heatpumps in a cold climate have backup heat built in and it would automatically switch to backup when it gets too cold outside. -30C is well into the too cold category for it to function as a heatpump alone
Yeah I have no idea. The alternative would be electric radiators anyways so in most cases that wouldn't make a difference anyways. Temperatures that low are quite rare - maybe just a handful of nights a year. Generally it stays around -10C
Which makes the argument that heat pumps don't work in the cold completely wrong from a user perspective.