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A comment on US companies are producing heat pumps that work below -20F(-28C). Parent comment

Re:US companies are producing heat pumps that work below -20... by inthepipe on Wednesday December 28, 2022 @01:28PM (#34164044)
Gas heaters also have around 90% efficiency, I think. It seems like gas is strictly better?
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Re:US companies are producing heat pumps that work below -20... by Scoundreller on Wednesday December 28, 2022 @02:50PM (#34165056)
Depends on your constraints. The CO2 round trip is a lot longer for gas.
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