Including but not limited to boilers, steam traps, PRV, AHU, RTU, VAV, FCU, MAU chillers, cooling towers, hydronic chilled water & hot water systems, air compressors, pneumatics, water conditioning equipment, electronics, controllers, fans, pumps, and motors. • Working knowledge of air compressors, steam distribution systems, water softeners, air handling systems, piping systems, valves, fittings, controls, electrical circuits, motors, HVAC infrastructure, fire suppression systems, water treatment systems, and chemical testing.