Sorry I don’t speak medieval, could you translate the temperature from 16th to 21st century?
Comment on Seriously good cold-climate heat pumps are headed to the US market
ColeSloth@discuss.tchncs.de 2 months agoOh yeah? Link me one single residential heat pump from anywhere that works sub 0F.
Hugh_Jeggs@lemm.ee 2 months ago
socsa@piefed.social 2 months ago
Literally any decent heat pump has a COP > 1.0 down to around -20F.
greyfox@lemmy.world 2 months ago
Here
Their technical documents show that they are down to about 20% of their usual heat output at that lowest temperature so they need to be sized up accordingly. The reality for most folks in an area cold enough to require these is they have backup heat sources for the coldest days anyways.