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. Most of the diagnosis comes down to finding the broken link. In Salt Lake City 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.
For air conditioning breakdowns, see AC Repair.
Signs You Need Furnace Repair in Salt Lake City
Recognizing the warning signs early can save you time and money. Keep an eye out for the following clues:
- The blower runs constantly but the air never warms
- Yellow, wavering burner flames where they should be sharp blue
- Squealing or grinding from the blower compartment
- Soot, rust, or moisture near the furnace cabinet or vent pipe
- Flames that start, last a few seconds, and go out again and again
- The igniter glows and clicks, yet no flame ever appears
- A bang or boom when the burners ignite late
- A furnace that shuts off every few minutes before the house warms up
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 (385) 206-5456 at the first sign of trouble.
