How It Works
The electric furnace heats air and distributes it through a home’s ducts. They are often used side-by-side with another heat source in larger homes and used alone in smaller homes.
What Can Go Wrong?
Electric furnaces are typically 220 volt and can draw as much as 80 amps. The large electric draw can result in overheated or burned wires, which can sever the electrical connections or trip circuit breakers and fuses. In addition, the blower that distributes the air or the control system can fail. If this happens, a qualified technician will be required to make repairs.
Heating is the largest energy expense in most homes, accounting for 35 to 50 percent of annual energy bills in colder parts of the country. A 25 kilowatt (kW) electric furnace in a northern U.S. climate consumes about 11,250 kilowatt-hours (kWh) a year, resulting in about 17,325 pounds of carbon dioxide (CO2). An electric furnace produces 3.8 times the amount of CO2 emissions as a gas furnace.