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Why is my heat pump freezing?

There are several reasons why a heat pump may freeze up:

  1. Low refrigerant levels: A heat pump requires a certain amount of refrigerant to operate properly. If the refrigerant levels are too low, the heat pump may freeze up.

  2. Dirty air filter: A dirty air filter can restrict airflow, which can cause the evaporator coil to freeze.

  3. Outdoor temperature: Heat pumps are designed to work in a range of temperatures, and if the outdoor temperature drops below a certain point, the heat pump may freeze up.

  4. Thermostat setting: If the thermostat is set too low, the heat pump may not be able to keep up with the demand for heat, which can cause it to freeze up.

  5. Defrost cycle: Heat pumps have a defrost cycle that kicks in when the coil starts to freeze up. If this cycle is not working properly, the heat pump may continue to freeze up.

It is important to identify and address the root cause of the freezing in order to prevent further damage to the heat pump and ensure efficient operation. It is recommended to contact a professional HVAC technician to diagnose and fix the issue. Call American Family Heating & Air Conditioning today to schedule your heat pump diagnosis in Fredericksburg, Stafford and Spotsylvania Virginia.

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