Replacing four natural gas boilers between 8 and 15+ years old with a total output of 310kW, with new air source heat pumps with a total output of 210kW.
Disodli pedwar boeler nwy naturiol rhwng 8 a 15+ oed gyda chyfanswm allbwn o 310kW, gyda phympiau gwres o’r aer newydd gyda chyfanswm allbwn o 210kW.