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 start pushing warm air into the house. Finding the step that fails is most of the job. Around Pompano Beach, FL, 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.
For air conditioning breakdowns, see AC Repair.
When to Call for Furnace Repair in Pompano Beach
Catching these issues early helps you avoid costly problems. Watch for these telltale signs:
- Soot, rust, or moisture near the furnace cabinet or vent pipe
- Loud booms at startup caused by delayed ignition
- Yellow, wavering burner flames where they should be sharp blue
- Burners light, run a few seconds, then shut down repeatedly
- The furnace clicks and glows but the burners never light
- A furnace that shuts off every few minutes before the house warms up
- Grinding or high-pitched squeals from the blower
- A fan that keeps running while the registers blow cool air
Don't Wait for a Total Failure
Most HVAC failures start small, a weak capacitor, a squealing blower, a system that runs a little longer each week. If you notice any of these signs, call (954) 246-9991 for a prompt inspection.
