Heat pump or furnace? That is the first thing that matters when the heat quits in Clarksville, TN, because the two fail in completely different ways. Heat pumps tend to freeze up when defrost stops working, get stuck in cooling when a reversing valve fails, or quietly lean on the electric backup strips, at several times the normal operating cost, when the outdoor unit dies. Gas furnaces typically come down to the flame sensor: once oxide coats it, the burners light but the flame cannot be proven, so the board cuts the gas and locks out after three tries. After that, the usual suspects are cracked hot surface igniters, stuck pressure switches, clogged condensate traps on high-efficiency models, and blower motors at the end of their life.
Most of our service calls are for Furnace Repair. That's the place to start if you need a fix today.
Warning Signs for Heating Repair
The sooner you notice these red flags, the easier and cheaper the fix. Watch for these telltale signs:
- Burning, musty, or rotten-egg odors when the heat runs
- No warm air at the registers even with the heat turned up
- The furnace clicking and trying to light but shutting back down
- An outdoor heat pump coil that stays iced over
- Higher heating bills with less comfort to show for them
- Frequent on-off cycles that never bring rooms up to temperature
- Booming or banging at ignition, a sign of delayed burner light-off
- Uneven heat, with certain rooms that never warm up
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. If you notice any of these signs, call (931) 544-8277 for a prompt inspection.
