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What Should I Do If My AC Is Running But Not Cooling?

Start with a few quick checks. If cooling doesn’t return, schedule professional troubleshooting. Our technicians inspect filters, coils, refrigerant levels, drains, thermostats, and wiring on all makes and models.

  • Set thermostat to Cool and lower the setpoint.
  • Replace or clean the air filter.
  • Clear debris from the outdoor unit and coils.
  • Check the breaker and equipment power switch.
  • Look for ice on refrigerant lines or water near the air handler.

We offer same-day service and 24/7 emergency support in Chicago, Glenview, and nearby areas.<br/> <br/> Updated: 2025-12-26 00:00:00 <br/> Need help in Glenview, IL? Call (224) 212-9332 or book online.

"Has great troubleshooting skills and was able to identify a highly unusual and hard to diagnose issue with our outside AC unit caused by a bug/insect which was preventing the power from getting to the unit." — Kamran H.

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