Viewing a single comment thread. View all comments

r2k-in-the-vortex t1_j9clnvv wrote on February 20, 2023 at 10:58 PM

Reply to comment by [deleted] in Heat Pumps Sell Like Hotcakes on America's Oil-Rich Frontier by dolphins3

No it's not, because you are not paying for the heat you remove from outside air. Of course it's no perpetum mobile, but in terms of heat in your home vs fuel spent, yes it is over 100% efficient.