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Heatpumps have resistance heating backup for the exceptional periods when it is too cold to make use of the compression system. Most people live somewhere a heatpump would work well.


Problem is, if everyone has resistance backup and it gets really cold, I doubt if the grid could keep up.


Oh, I’ve not see that kind, only the sort where the “e heat” feature on the thermostat is tied to a separate furnace.


This also assumes a resilient grid, which may not be the case for large areas of the rural US.




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