The last thing anyone needs is for their furnace to start blowing cold air — especially in the winter. But what causes this ...

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 ...

Freezing, frosty, frigid are all perfect words to describe typical Northern winter weather. If they describe the inside of your home, however, chances are excellent that 1) there is something wrong ...

Before you panic or call a repair tech, there's a chance your furnace thermostat issue has a quick and easy fix. Check this ...

Alright HVAC experts, here's your chance to show off your diagnosis skills: We have a 2006 Lennox G50UHi furnace, and we replace the filters regularly, have it cleaned, etc. The only odd thing that we ...

Q: Since I retired, I've noticed our gas forced air furnace takes 4-5 hours to return the house temperature 5 degrees from setback. There are 8 perimeter heat outlets (ranch home) plus 3 in the ...