3 ms·
Yeah, this is what I was referring to. The heat pumps available in the US only seem to work down to freezing (0C). After that, they just turn on resistive hea
by midoridensha 4y ago
Yeah, this is what I was referring to. The heat pumps available in the US only seem to work down to freezing (0C). After that, they just turn on resistive heating, which is very inefficient.