Typically, freezing occurs when airflow or heat transfer is impeded by a clogged air filter, a duct obstruction, dirty coils, or a faulty fan. Other causes can include low refrigerant or compressor problems.
Typically, freezing occurs when airflow or heat transfer is impeded by a clogged air filter, a duct obstruction, dirty coils, or a faulty fan. Other causes can include low refrigerant or compressor problems.