Óstáilte ar MSNLíon na míonna: 11
Heat Pumps Outsell Gas Furnaces Once Again: What's the Difference?
Home heating and cooling needs have shifted over the years, and now it seems that heat pumps are having a moment. For the second year in a row, heat pump shipments outpaced gas furnaces in the US ...
pv magazine InternationalLíon na míonna: 7
Heat pump plus PV usually cheaper than gas heating after 11 to 14 years
In all scenarios considered, the combination of heat pump and PV leaves the gas heating system behind after 12 years. Without solar support, it is 14 to 15 years, and with additional storage ...