3 ms·
That 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 1
by semi-extrinsic 10y ago
That 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.