Condensing boilers only reach that efficiency if you do the same kind of radiator sizing that people complain about needing to do for heat pumps. Measured effi

Condensing boilers only reach that efficiency if you do the same kind of radiator sizing that people complain about needing to do for heat pumps. Measured efficiency is 10-25% lower unless set up correctly. Details: https://www.theheatinghub.co.uk/boiler-efficiency-guide-and-energy-saving-tips https://www.theheatinghub.co.uk/boiler-efficiency-guide-and-...