Adjusts and replaces thermostats, works on pneumatic and electric controls, replaces electric motors, single and three phase, replaces bearings and fan assemblies, works on air handlers with chilled and hot water coils, replaces compressors, works on cooling towers and water treatment systems, repairs and replaces pumps, works on gas furnaces and incinerators, and installs and repairs ducting. Job Summary: The HVAC Technician 2 position installs and maintains building heating, ventilating, and air conditioning systems (commercial and residential), refrigerators, drinking fountains, walk-in freezers, ice machines, evaporative coolers, furnaces, lab equipment, appliances, and other gas fueled equipment.