The answer to 'what does maintenance do' is regular HVAC maintenance helps keep your heating and cooling system running efficiently and extends its lifespan. Maintenance typically includes inspecting, cleaning, and tuning up the system components to ensure optimal performance.
During a maintenance visit, an HVAC technician will check the refrigerant levels, clean the condenser coils, inspect the electrical connections, and perform other tasks to identify and address any issues before they become bigger problems. This helps prevent costly breakdowns and ensures your HVAC system is operating at peak efficiency, which can save you money on your energy bills.