3 ms·
Efficiency of heat pumps are roughly the same for heating and cooling (the only difference is which side you measure from -- the hot side gets the electrical po
by osamagirl69 6y ago
Efficiency of heat pumps are roughly the same for heating and cooling (the only difference is which side you measure from -- the hot side gets the electrical power input counted in its power). The reason EER is so high is that they used absurd units for the heat flow (BTU/h = 0.3W) so you need to divide EER by 3.4 to get the actual efficiency in unit per unit.