Utilization of equipment and tools to maintain HVAC systems including Coil cleaning machine, tube puncher, chiller bundle jetter, torches, Die injection, Voltmeter and Pressure gauges for gases, Perform all levels of preventative, corrective and emergency maintenance on building equipment as required or needed. ESSENTIAL FUNCTIONS AND RESPONSIBILITIES: Responsible for 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.