This isn't an all-weather, cold-climate heat pump -- it can operate in temperatures ranging from 50 to 104 degrees Fahrenheit ...

In light of this news, you want to keep your furnace in tip-top condition. Keep reading for the most common furnace problems ...

The same is true for electric furnaces ... circulated through a ductwork system by a blower housed in the air handler. All furnaces includes a heat source, heat exchanger and a blower.