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 ...

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 ...

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 ...