[SigmundA]

You may be technically correct, but just barely, all of the energy put into a heat pump is turned into heat, not only does it move heat it also adds it own and that conversion is 100% efficient. Now a 100% of heat generated by the compressor may not make it into the space being heated but most of it is along with a bunch it pulled from the outside environment.

Honestly you are the one being obtuse. Efficiency can be measured many ways, but in the case of heating and cooling I think everyone would agree the efficiency that actually matters is energy efficiency for both economic and environmental reasons.