AC Running Constantly With Fan Always On

Tools That May Help

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

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Problem

Fan runs constantly along with AC.

Common Symptoms

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

Possible Causes

  • Thermostat setting
  • fan mode
  • control issue

How To Fix It

  • Check fan setting
  • inspect controls
  • adjust thermostat

Safety Tip

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

When To Call A Professional

If fan runs constantly, call a professional

Related Problems

Still troubleshooting? These similar problems may help you narrow it down.

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