A humming outdoor unit with a fan that will not turn is the classic summer service call in Bartlett, TN, and the cause is usually a failed run capacitor. That inexpensive component starts the compressor and fan, fades for years without complaint, and then quits under peak load. It is far from the only suspect, though. Contactors pit and stop passing clean power, condenser fan bearings dry out, small refrigerant leaks drain away cooling capacity, and evaporator coils ice over when a clogged filter strangles airflow.
Heating trouble instead? See Furnace Repair.
Warning Signs for AC Repair
The sooner you notice these red flags, the easier and cheaper the fix. Watch for these telltale signs:
- Warm or room-temperature air blowing when the thermostat calls for cooling
- Water dripping from the indoor unit or showing up on the ceiling below
- Ice on the refrigerant lines or a frozen indoor coil
- Bubbling or hissing noises that point to a possible refrigerant leak
- Rising electric costs paired with a sticky, uncomfortable house
- The outdoor unit humming or clicking but the fan not spinning
- A burning smell or repeated breaker trips when the AC starts
- The system short-cycling every few minutes without cooling the house
Early Action Saves Money
Left unchecked, even a small fault or temperature swing often signals a system working its way toward a breakdown. Call (901) 749-7996 at the first sign of trouble.
