As an HVAC Mechanic, you will be responsible for operating, maintaining, and modifying heating and air-handling equipment to provide efficient operation of HVAC systems within prescribed safety limits and in according with appropriate codes. Your work will ensure the safety and comfort of airport users, staff, and tenants. HVAC Mechanic Serves in the Utilities Division in the Engineering and Maintenance Department at Washington Dulles International Airport (IAD). Operates, maintains, and repairs heating and air-handling systems and related HVAC equipment ranging from low-pressure boilers to high-temperature hot-water boilers and from small exhaust fans to multi-zoned air-handling units with multi-filtering systems. Also works on air intake fans, mixed-air fans, high-voltage HVAC units used with high-temperature hot-water and chilled water, ventilation units, exhaust fans in manholes, variable air volume boxes, heat pumps which heat or cool air, various pumps and air compressors, diffusers, and ductwork. Performs related functions. GENERAL RESPONSIBILITIES Troubleshoots problems with high-pressure boilers and related equipment; performs major repairs, as needed. Uses schematics and drawings in rebuilding heat and chilled-water valves and calibrating to manufacturers' specifications. Repairs or replaces HVAC equipment and components, including blower motors, timers, switches, electrical controls, and seals. Cuts, threads, and replaces or reroutes pipes. Installs duct work and diffusers. May recommend modification to the design of equipment for improved operations. Performs preventive maintenance. Responds to trouble calls and troubleshoots malfunctioning HVAC equipment. May revise set points on energy management software. May operate high-pressure boilers and 2000-ton chillers; makes adjustments as required or takes the unit off line. May test water at the pump station for chlorine level; operates pumps and switches water flow from Fairfax County water to reservoir water and vice versa. May be assigned as backup for the water testing and treatment program. With Air Conditioning Mechanics, maintains or repair thermal ice storage systems, chillers, window air conditioners, water coolers, roof-top heat pumps, and refrigeration equipment. Maintains a clean work area and paints equipment. Performs other duties as assigned.
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Job Type
Full-time
Career Level
Mid Level
Education Level
High school or GED
Number of Employees
1,001-5,000 employees