A humming outdoor unit with a fan that will not turn is the classic summer service call in Bloomington, IL, 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.
For winter breakdowns, see Furnace Repair.
Signs You Need AC Repair in Bloomington
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:
- A condenser fan that sits still while the outdoor unit hums
- Vents blowing air that is barely cooler than the room
- Rising electric costs paired with a sticky, uncomfortable house
- An iced-over evaporator coil or frozen refrigerant lines
- A hot electrical smell or a tripped breaker whenever the air conditioner kicks on
- Puddles near the air handler or water stains on the ceiling beneath it
- Hissing or bubbling sounds that suggest a refrigerant leak
- Rapid on-off cycling that never brings the temperature down
Don't Wait for a Total Failure
Most HVAC failures start small, a weak capacitor, a squealing blower, a system that runs a little longer each week. Don't wait, call (309) 290-9315 and we'll take a look right away.
