No two heating systems break the same way, and in Henderson homes the first question on any no-heat call is what kind of equipment we are dealing with. Furnaces most often quit on an oxidized flame sensor. The burners fire, the sensor fails to confirm the flame, and after three attempts the control board closes the gas valve and locks the system out. Cracked hot surface igniters, sticking pressure switches, plugged condensate traps on high-efficiency units, and tired blower motors round out the usual list. Heat pumps have their own failure patterns. A defrost cycle that falls short lets ice build up on the outdoor coil, a bad reversing valve leaves the system stuck in cooling mode, and a dead outdoor unit hands the whole load to the electric backup strips, which cost several times as much to run.
Most of our service calls are for Furnace Repair. Start there if your system isn't running right.
Warning Signs for Heating Repair
Recognizing the warning signs early can save you time and money. Keep an eye out for the following clues:
- The thermostat calls for heat but the vents blow cold air or nothing
- Frequent on-off cycles that never bring rooms up to temperature
- An outdoor heat pump coil that stays iced over
- A rotten-egg, burning, or musty smell once the heat kicks on
- Clicking and failed ignition attempts before the furnace gives up
- Booming or banging at ignition, a sign of delayed burner light-off
- Heating bills spiking while comfort keeps falling
- Some rooms warm while others stay stubbornly cold
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. Call (725) 567-4132 at the first sign of trouble.
