The answer to 'AC repair freezing up' is that a frozen AC unit is a common issue that is usually caused by a refrigerant leak, low airflow, or a mechanical problem. Symptoms include ice buildup on the coils, reduced cooling capacity, and the compressor cycling on and off frequently. Solutions can include cleaning the air filter, clearing any blockages in the airflow, and checking the refrigerant level. However, if the issue persists, it's best to call a professional HVAC technician to diagnose and repair the problem, as improper handling of refrigerants or electrical components can be dangerous.
A frozen AC unit is often a sign of an underlying issue that needs to be addressed. While some basic troubleshooting and maintenance can be done DIY, it's generally recommended to have a licensed HVAC technician inspect and repair a frozen AC system to ensure it's fixed properly and safely.