3 ms·
Heating is far more efficient than cooling, however, given that the former is a direct process, and the latter uses heat pumps.
by madaxe_again 10y ago
Heating is far more efficient than cooling, however, given that the former is a direct process, and the latter uses heat pumps.
- semi-extrinsic 10y agoThat seems very backwards. Heat pumps for heating can have a COP of as much as 4.5 at an external temperature of 7C, i.e. deliver 4500 W of heating using only 1000 W of electricity. An electric heater has a COP of 1.