From the hallway, a furnace that will not heat looks the same no matter what broke. Inside the cabinet, though, the sequence is strict: inducer on, pressure switch closed, igniter glowing, gas valve open, burners lit, flame proven, and finally the blower moving heat through the ducts. Diagnosis is mostly a matter of finding where that chain breaks. In Morgantown homes, it tends to be the same handful of culprits: a flame sensor coated in oxide, a hot surface igniter cracked by thermal cycling, a pressure switch held open by a tired inducer or a plugged condensate trap, or a control board with a burned relay.
When the AC quits in summer, see AC Repair.
When to Call for Furnace Repair in Morgantown
Catching these issues early helps you avoid costly problems. These are the signals our technicians see most often:
- Clicking and a glowing igniter with no burner flame
- The blower runs constantly but the air never warms
- Water, rust stains, or black soot around the flue or cabinet
- Squeals, scrapes, or grinding noises behind the blower door
- A bang or boom when the burners ignite late
- Flames that start, last a few seconds, and go out again and again
- Short cycling every few minutes without reaching the setpoint
- A flame that burns soft and yellow rather than steady blue
Don't Wait for a Total Failure
A failing capacitor, clogged condensate drain, or dirty flame sensor rarely fixes itself and usually gets more expensive to address the longer it runs. Call (304) 200-1836 at the first sign of trouble.
