Periods of instability in HVAC systems often occur during necessary transitions in system operation. Examples of such instances include when a system first enables, transitions from an occupied to an ...

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 ...

Heating systems often get a bad rap for causing dry air inside a home, but it’s the cold of winter that’s really to blame. A humidifier can help bring the humidity levels back into balance. Cold air ...

Dear Jim: I don't understand how a furnace humidifier saves energy during winter. It takes energy to operate the humidifier and it uses cold water, which cools the house. Can you explain the concept ...