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Re:Oil System Collapsing So Fast It May Derail Renewables by tzs on Thursday October 21, 2021 @05:24PM (#28950990)
How long are those periods where it gets colder than -25℃?

Mitsubishi's heat pumps with their "Hyper-Heat" feature are able to work at 76% of their capacity down to -25℃. If those colder periods aren't too long, a heat pump combined with good insulation might be enough to get through that.

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