In this troubleshooting situation, the equipment that needs servicing is a condensing gas furnace in a relatively small home of approximately 1,200 square feet. The capacity of the unit is 40,000 Btu ...

The equipment in this month’s troubleshooting problem is an electric furnace that has been in service for at least ten years, according to the customer who is reporting that the unit is running almost ...

Natural gas is one of the most economical sources of energy for home heating. That’s why, according to the Natural Gas Supply Association’s naturalgas.org, 62 million homes (56 percent of the U.S.