The answer to 'how long does HVAC repair last' is that the duration of HVAC repair can vary significantly depending on the specific issue and the extent of the repair needed. In general, minor repairs like replacing a thermostat or cleaning the condenser coils may last for several years, while more complex issues like a compressor failure or refrigerant leak may require a more extensive repair that may only last 1-3 years before needing further service.
The longevity of an HVAC repair also depends on factors like the age and condition of the system, how well it was maintained, and the quality of the repair work. Proper maintenance and prompt attention to any issues can help extend the lifespan of HVAC repairs. However, it's important to note that at some point, the entire HVAC system may need to be replaced, which is a more substantial investment but can provide improved energy efficiency and reliability.