Performed maintenance on a 3-zone HVAC system. Inspected and cleaned all air filters to ensure proper airflow. Checked and calibrated zone dampers for accurate temperature control. Examined electrical connections for wear and secured any loose wires. Verified refrigerant levels and measured system pressure. Inspected blower motors and lubricated moving parts as needed. Tested thermostat operation for each zone to confirm proper functionality. All zones are now operating efficiently without any detected issues.
