Assists in the installation, inspection, testing, dismantlement and repairs to all types of heating, ventilating, air conditioning, and related equipment including refrigeration compressors, pumps, condensers, air handling units, cooling towers and associated controls, wiring and piping. Dismantle, inspect, repair, replace, or adjust faulty parts, piping, and control wiring on HVAC equipment such as cooling towers, air handling units, heating and chilling coils, condensers, pumps, refrigeration compressors, filters, and controls.