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 ...

Q The air in my house gets very dry during the winter, even with a furnace-mounted humidifier. I get static shocks from whatever I touch. Will using some smaller humidifiers help, and which types are ...

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 ...