3 ms·
It’s the same principle, but in the US I expect a “heat pump” to run well in both directions where an “air conditioner” might not have a reversing valve at all,
by erik_seaberg 6y ago
It’s the same principle, but in the US I expect a “heat pump” to run well in both directions where an “air conditioner” might not have a reversing valve at all, or won’t really defrost the outside coils in cold weather.
- a_square_peg 6y agoThis is correct. 'Heat pump' typically refers to the units with reversing valve although technically 'air conditioner' is also a heat hump in its generic sense.