How can Air Source Heat Pumps reduce carbon emissions?
Because the Ecodan air source heat pump seasonal efficiencies of 300% to 350%, the actual amount of electrical energy consumed from the national grid is dramatically reduced. Even taking in to account the reduced CO2/kW for gas (0.19) against CO2/kW for electricity (0.43) Ecodan emits far less CO2 than even the highest efficiency condensing gas boiler.