Gas and oil furnaces burn fuel to provide heat for homes, and that presents a basic problem. Every combustion process produces noxious gases. How do you keep those gases from circulating throughout ...

The typical range for the cost of a new furnace is $2,818 to $6,822 with a national average of $4,743. Cost factors for this project include the furnace size, type, efficiency, brand, labor and ...

Heat pumps run on electricity and furnaces run on fossil fuels, natural gas, propane, or oil. Our experts say there's no clear answer for which type is more energy efficient. Location plays a major ...