Power is power right?! so why is a heat pump more 'efficient' than an element heater? Lets assuming the heater has an air temperature sensor and a fan and that it has an electronic controller to eliminate switching losses. Answer: Heat pumps work on a completely different principle to an element heater. An electric heater is one of the few things which is effectively 100% efficient - that is, it converts all the incoming electrical energy into heat.
A heat pump can literally