An outside unit that hums while the fan stays still is the classic summer service call in Kissimmee, FL, 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.
When the heat goes out, see Furnace Repair.
Warning Signs for AC Repair
Recognizing the warning signs early can save you time and money. Here are the most common indicators that it's time to call a professional:
- Clicking or humming outside with no fan movement
- A burning smell or repeated breaker trips when the AC starts
- Ice on the refrigerant lines or a frozen indoor coil
- Vents blowing air that is barely cooler than the room
- Higher summer bills even though the house still feels warm and humid
- Bubbling or hissing noises that point to a possible refrigerant leak
- Puddles near the air handler or water stains on the ceiling beneath it
- An AC that turns on and off every few minutes but never cools down 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. If you notice any of these signs, call (689) 334-4800 for a prompt inspection.
