AC Blowing Warm Air But Outside Unit Running

Tools That May Help

Before calling a professional, these common tools may help you check the issue safely.

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Problem

The outside unit is running, but the air coming from the vents is still warm.

Common Symptoms

  • Weak airflow from vents
  • System running constantly
  • Uneven indoor temperatures
  • Higher energy bills

Possible Causes

  • Low refrigerant
  • Dirty coils
  • Compressor issue
  • Thermostat problem

How To Fix It

  • Clean coils
  • Replace filter
  • Verify thermostat settings
  • Inspect the outdoor unit for obvious issues

Safety Tip

Always shut off power to the HVAC system before inspecting wiring or internal components.

When To Call A Professional

If the outdoor unit runs but cooling does not return

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