Works from blueprints and instructions to inspect, test, troubleshoot, repair, and install heating, ventilation, air conditioning (HVAC), refrigeration, plumbing, and related systems, including but is not limited to, central and window air conditioning systems, small reciprocating systems, domestic and commercial refrigeration units, package units, gas- and oil-fired boilers, pumping systems, water heaters, and hot water and steam systems. Reporting to the Supervisor of HVAC Mechanical Services, the HVAC Mechanic performs a variety of skilled duties associated with the maintenance, installation, repair, replacement, and alteration of equipment and systems, including air-conditioning, heating systems, control systems, and water distribution systems.