Performed an HVAC tune-up to optimize system performance. Inspected and cleaned the air filters, ensuring proper airflow and indoor air quality. Checked and calibrated the thermostat for accurate temperature control. Lubricated moving parts to reduce friction and wear. Inspected electrical connections and tightened as needed to prevent issues. Conducted a thorough inspection of the ductwork for leaks or obstructions. Tested system components and adjusted settings for optimal efficiency. The HVAC system now operates smoothly and efficiently.