The answer to 'how long does maintenance last' is that HVAC maintenance should be performed annually or twice per year, depending on your system and climate. Regular maintenance by a qualified HVAC technician is crucial to ensure your system operates efficiently and lasts as long as possible, typically 10-15 years for most home systems.
During a maintenance visit, the technician will inspect, clean, and tune up your HVAC equipment. This includes checking refrigerant levels, cleaning the condenser coil, lubricating moving parts, and testing the system's safety and performance. Proper maintenance can extend the life of your HVAC system, improve indoor air quality, and reduce your energy costs.