HVAC Technician

HVAC TechnicianUnder general supervision, performs complex, computerized routine, and non-routine HVAC equipment installation, repair and maintenance.Install and maintain computerized HVAC equipment. Involves: Repair and troubleshoot computerized heating or cooling system malfunctions to isolate problems or to verify that repairs corrected malfunctions. Repair or replace defective equipment, components, or wiring. Install or repair self-contained ground source heat pumps or hybrid ground or air source heat pumps to minimize carbon-based energy consumption and reduce carbon emissions. Install, connect, or adjust thermostats, humidistats, or timers. Install auxiliary components to HVAC equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers. Braze or solder parts to repair defective joints and leaks. Adjust system controls to settings recommended by the manufacturer to balance the system. Inspect and test systems to verify system compliance with specifications or to detect and locate malfunctions. Installs and repairs small electric motors used in forced air systems. Fabricates and installs sheet metal ductwork for HVAC systems in City buildings. Installs new equipment according to the provided instructions. Test electrical circuits or components for continuity, using electrical test equipment. Study blueprints, design specifications, or manufacturers' recommendations to ascertain the configuration of heating or cooling equipment components and ensure the proper installation. Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams. Perform mechanical overhauls and refrigerant reclaiming. Install expansion and control valves, using acetylene torches and wrenches. Mount compressors, condensers, and other components. Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.Performs routine preventive maintenance on HVAC and refrigeration equipment. Involves: Checks drain lines, clears pipes, and makes necessary repairs. Adjust and calibrate temperature control devices. Check and change air filters regularly. Perform scheduled inspections on large HVAC equipment, including chillers and boilers. Recommend, develop, or perform preventive or general maintenance procedures, such as power-washing, vacuuming equipment, and oiling parts. Evaluate and assess facility issues, problems, and improvements; prepare estimates on small and large projects. Maintain equipment logs for assigned systems, records of work orders, and material requests.Supervise assigned personnel. Involves: Organizing and coordinating workflow. Instruct, review, guide, and check work. Appraise employee performance. Provide training and development. Enforce personnel rules, regulations, and work and safety standards. Counsel, motivate, and maintain harmony. Interview applicants and recommend hires, terminations, transfers, disciplinary action, leave, or other employee status changes.