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Heat pumps can't take the cold? Nordics debunk the myth
(techxplore.com)
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this post was submitted on 01 Nov 2023
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Except that electric heating is always 100% efficient, and that's what a heat pump falls back to. If anything it will still be more efficient than baseboard heating simply due to it having a fan to better distribute the heat (equivalent to an electric furnace with ducting). The only argument that makes sense is when comparing costs with other heat sources like natural gas, which is a whole other topic.
Interesting. A close friend is an engineer who designs HVAC systems (industrial but regardless knowledgeable).
He's told me that the heat pump would pull more power on those days than an equivalent electric only system.
My heat pump definitely uses a lot of power when it's cold.
I wish I had access to the gas based supplemental heating for it. Economically that seems like the best option.