logoalt Hacker News

EVa5I7bHFq9mnYK01/17/20251 replyview on HN

My AC works in both directions, in winter it moves more cold outside than the power it consumes. Not sure what the factor is exactly, but I think same as for cooling.


Replies

datadrivenangel01/17/2025

Thermodynamics unfortunately disagree. As your temperature deltas get smaller efficiency goes down.

show 1 reply