Pay attention to furnace smells. A metallic or burning odor could mean overheated electrical components. A musty smell ...

Your troubleshooting situation this month involves an 80% single stage gas furnace that has been in service approximately seven years. When you respond to the customer’s complaint of “no heat,” you ...

The customer in this particular troubleshooting situation is somewhat savvy about his 12-year-old gas furnace. When he calls for service, he tells you that when things got very cold in the house, he ...

Key Points Check thermostat settings, filters, and fuel supply first when your furnace blows cold air.Call an HVAC technician for issues like sensor failures, clogged burners, or duct leaks.Skipping ...

If you’ve ever had a significant problem with your gas-powered HVAC system, you’ve probably heard the term red-tagged. (And if you haven’t yet, there’s every chance you will someday, given that most ...

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 ...

Whether you have a gas furnace, a heat pump or something else, regular upkeep can save you money and keep your home's air cleaner. Andrew King is an award-winning journalist and copywriter from ...

'Lightly rub the rod to remove the carbon buildup. You don’t have to rub it roughly, just clean the soot off so it’s shiny ...