The answer to 'my HVAC repair keeps shutting off' is that there are several common causes, including a clogged air filter, a refrigerant leak, a malfunctioning thermostat, or an issue with the electrical components. If your HVAC system keeps shutting off, it could be a sign of a more serious problem that requires professional diagnosis and repair.
Some common symptoms of an HVAC system that keeps shutting off include the unit not turning on at all, the system cycling on and off frequently, or the system not maintaining the desired temperature in your home. These issues can be caused by a variety of factors, so it's important to have a qualified HVAC technician inspect your system to determine the root cause.