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Why is my unit icing up? I have frost on the coil and copper tubing.

There are several reasons for an air conditioning system to freeze up and they are ALL related to a lack of maintenance. Air conditioning coil freeze up is caused by a lack of airflow or a lack of refrigerant (FREON). Both of these conditions are easily and routinely found on a service check. A-1 Heat & Air will make sure airflow passages are free and that you are refrigerant (FREON) charge is up to standard.

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