Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...

Rushed furnace installations routinely crack heat exchangers, clog gas valves, and create CO risks long before the first heating season is over.

As compared to a typical older gas furnace, installing one of these 90-percent furnaces can cut your heating bills in half. Although the majority of the savings results from the higher efficiency, a ...

John Krol of Phoenix would like advice on the type of humidification system to add to a forced-air furnace as well as the pros and cons of adding a system, how much it will cost, and recommended ...