Problem Cluster

AC Running Constantly

AC running all day, won't shut off, never reaches temperature. Often undersized system, dirty coils, or refrigerant issues.

Symptoms in This Cluster

AC Running Constantly

The system never shuts off, even after the desired temperature is reached.

Full Diagnostic Guide →

Condition Variations

AC Running Constantly in Extreme Heat AC Running Constantly After Filter Change AC Running Constantly Upstairs Only

Related Clusters

AC Not Cooling AC Freezing Up AC Short Cycling Refrigerant Problems AC Making Noise

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