Heat pumps don’t work particularly well below 25F. Our heat pump switched to aux... | Hacker News

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		kolencherry on Feb 17, 2021 \| parent \| context \| favorite \| on: What went wrong with the Texas power grid? Heat pumps don’t work particularly well below 25F. Our heat pump switched to auxiliary heat (electric resistance heating) with how cold it’s been in Texas.

StillBored on Feb 17, 2021 [–]

Those are just the standard compressor/r410 systems with reversing valves. There are number of systems designed to work well below 0F.

https://www.mitsubishicomfort.com/benefits/hyper-heating https://www.fujitsugeneral.com/us/residential/technology/xlt...

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