The question of efficiency can be a fairly complex one. At face value, a gas furnace or high-efficiency electric furnace can be excellent for many homes, while some homeowners might get better mileage out of a heat pump.
The question of efficiency can be a fairly complex one. At face value, a gas furnace or high-efficiency electric furnace can be excellent for many homes, while some homeowners might get better mileage out of a heat pump.