this post was submitted on 31 Mar 2026
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IDK, heat pumps are basically multiplying the electricity they use.
Only with small temperature differences, the higher the difference the lower the COP.
You need a giant asterisk there. That "small temperature difference" is -40° to 120°F
I really don't get where those temperatures come from? I was referring to something like this. The higher the temperature difference between cold and warm side, to worse the COP gets. If you wanted to go from ambient to 200°C, the COP would drop lower than 1 and you'd be better off using an electric boiler.