3 ms·
Heat pumps are specified with significant margin and/or backup heat sources. The numbers above are the 1:1 point, which doesn’t mean it stops working. It just
by PragmaticPulp 4y ago
Heat pumps are specified with significant margin and/or backup heat sources.
The numbers above are the 1:1 point, which doesn’t mean it stops working. It just means it’s similar efficiency to an electric heater at that point.
“Freeze to death” is an extreme exaggeration.
- monkeynotes 4y agoThis is spot on. Some mini split heat pumps effectively become base board heaters with a fan when their efficiency falls off. You'll be uncomfortable, but you won't freeze to death.