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 ...

The problem: Replacing an existing gas furnace with a new, more efficient furnace. The apprentice: Allen Charles Edwards (ACE) — First-year mechanic. The technician: N. Arthur Thomas Egan (NATE) — ...

Much like a car, a furnace needs tuning to keep it in good working order. And regular maintenance will prevent it from breaking down when you need it most. Poor furnace maintenance is to blame for ...

Pay attention to furnace smells. A metallic or burning odor could mean overheated electrical components. A musty smell suggests moisture or mold in the ducts. And if you ever detect a sulfur or rotten ...

Q. With the deep winter snow we had last season, the air intake for our furnace plugged up. I had to separate the pipe from the furnace and let already-heated house air be used in the furnace rather ...

First off, you can’t expect something as complex as a furnace to last forever. Says Tim David, owner of Airlucent, an HVAC ...

QDEAR BARRY: My home inspector had a debate with the seller of the home I'm buying and one question nearly stumped the inspector. The house has a forced-air furnace below the building and the ...

Today, standard furnaces are 80 percent efficient, while those with a rating of 90 percent or more are considered ...