Every time your thermostat calls for heat, the furnace runs a fixed checklist. The inducer motor starts and proves draft by closing a pressure switch, the hot surface igniter heats up, the gas valve opens, the burners light, and the flame sensor confirms there is fire. Only after all of that does the blower begin sending warm air into the house. Finding the step that fails is most of the job. Around Bartlett, TN, the usual failure points are an oxide-coated flame sensor, an igniter cracked by years of heating and cooling, a pressure switch that stays open because of a weak inducer or a clogged condensate trap on a high-efficiency unit, and control boards with burned relays. Each one halts the startup, and from the hallway they all look alike.
When the AC quits in summer, see AC Repair.
When to Call for Furnace Repair in Bartlett
Recognizing the warning signs early can save you time and money. These are the signals our technicians see most often:
- Short cycling every few minutes without reaching the setpoint
- Repeated shutdowns just seconds after the burners light
- A flame that burns soft and yellow rather than steady blue
- The igniter glows and clicks, yet no flame ever appears
- Loud booms at startup caused by delayed ignition
- Air moving through the vents that never gets warm
- Soot, rust, or moisture near the furnace cabinet or vent pipe
- Squeals, scrapes, or grinding noises behind the blower door
Early Action Saves Money
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 (901) 749-7996 at the first sign of trouble.
