The answer to 'HVAC repair freezing up' is that a frozen air conditioner or heat pump is a common problem that can be caused by several factors, including low refrigerant levels, dirty air filters, airflow blockages, and malfunctioning components. Symptoms of a freezing HVAC system include ice buildup on the coils, reduced airflow, and poor cooling or heating performance.
In many cases, the issue can be resolved through simple DIY troubleshooting and maintenance, such as cleaning the air filters, clearing any obstructions around the outdoor unit, and checking the refrigerant level. However, if the problem persists or you suspect a more serious issue, it's best to call a professional HVAC technician who can diagnose and repair the problem correctly.