An outside unit that hums while the fan stays still is the classic summer service call in Glenview, 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.
When to Call for AC Repair in Glenview
Spotting the early warning signs lets you act before the problem gets expensive. These are the signals our technicians see most often:
- An AC that turns on and off every few minutes but never cools down the house
- Clicking or humming outside with no fan movement
- Water leaking around the indoor unit or from the ceiling below it
- Cooling bills climbing while the house stays sticky and warm
- Ice on the refrigerant lines or a frozen indoor coil
- A burning smell or repeated breaker trips when the AC starts
- Room-temperature air from the registers even though the AC is running
- Hissing or bubbling sounds that suggest a refrigerant leak
Don't Wait for a Total Failure
What seems like a minor issue today can take out a compressor or heat exchanger tomorrow. If you notice any of these signs, call (224) 395-7917 for a prompt inspection.
