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Why Is My AC Running But Not Blowing Cold Air?

Common causes are a dirty filter, thermostat missettings, low refrigerant, a frozen indoor coil, or a clogged outdoor condenser. The unit can run but won’t cool until a technician fixes the fault. Try these quick checks:

  • Set thermostat to Cool and 5°F lower.
  • Replace a dirty filter.
  • Clear 2–3 ft around the outdoor unit.
  • Look for ice on the refrigerant lines and turn system Off if present. We provide emergency AC repair and free estimates in Marion and Gas City.
<br/> Updated: 2025-12-21 <br/>

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