How efficient are Air Source Heat Pumps?
A reduction of CO2 emissions of up to 60% would be expected. The Energy Efficiency rating assessments of new builds using Air Source Heat Pumps rated as “A” which is the highest level for heating and hot water production. An additional benefit is the residual value to the property in the event of a transfer of ownership. Air Source Heat Pumps have a CoP (Coefficient of Performance) of 4:1. This means for every unit of energy consumed by the Air Source Heat Pump you would get a return of 4 usable units of usable energy, making the property cheaper to run and attractive to purchasers.
