From the hallway, a furnace that will not heat looks the same no matter what broke. Inside the cabinet, though, everything happens in a strict order: inducer on, pressure switch closed, igniter glowing, gas valve open, burners lit, flame proven, and finally the blower moving heat through the ducts. Most of the diagnosis comes down to finding the broken link. In Pawtucket 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 Pawtucket
Recognizing the warning signs early can save you time and money. Keep an eye out for the following clues:
- The igniter glows and clicks, yet no flame ever appears
- Booming or banging at light-off from delayed ignition
- Water, rust stains, or black soot around the flue or cabinet
- The blower runs constantly but the air never warms
- A flame that burns soft and yellow rather than steady blue
- Repeated shutdowns just seconds after the burners light
- Frequent on-off cycling that never reaches the thermostat setting
- Squealing or grinding from the blower compartment
Act Before It Gets Worse
Most HVAC failures start small, a weak capacitor, a squealing blower, a system that runs a little longer each week. At the first hint of a problem, call (401) 204-0654 for a fast inspection.
