Lots of arguments here about Air Source Heat Pumps.
Option 1 - site the pump in full sun as this will require the least effort from the compressor to achieve temperature.
Option 2 - site the pump in the shade. It doesn't need to be in the sun to work and in full sun the case will overheat and all the internal components will wear excessively.
Does anyone know which is right?
As ever, all replies greatly appreciated.