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argybargy2019 t1_j2eidt1 wrote

Reply to comment by Ragnaroknight in Heat pump performace in rhode island by Yak54RC

I bet your auxiliary heating system is resistive electric. If so, you might realize significant savings if you investigate how to adjust its duty cycle and how to modify the switch temperature.

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UncleJimmee t1_j2f5szv wrote

this is likely right on. heat pumps are most effective at moderate temps. once it's cold enough they tend to switch to aux resistive heating.

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