Mitsubishis can work down to -13F/-25C and have a COP of 2.08: \* https://mylink... | Hacker News

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		throw0101b on Nov 14, 2023 \| parent \| context \| favorite \| on: Electric heat to cost 77 percent more than natural... Mitsubishis can work down to -13F/-25C and have a COP of 2.08: * https://mylinkdrive.com/viewPdf?srcUrl=http://enter.mehvac.c... If you live in US IECC Climate Zone 4 or above look for a cold climate air-source heat pump (ccASHP): * https://neep.org/heating-electrification/ccashp-specificatio... * https://ashp.neep.org/#!/ You can also get things installed in a dual fuel arrangement where you still have a gas furnace that kicks in if it does ever get 'too cold'.

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