If your AC is freezing, turn cooling off and let the system thaw before running it again. Common causes include dirty filters, weak airflow, blower problems, low refrigerant symptoms, or a coil that needs attention. A frozen system should be reviewed before it keeps running.
Ask the Penguin
Why is my AC freezing up?
Frozen AC coils are usually a sign of airflow trouble, refrigerant symptoms, or a system that needs diagnosis.
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