Applies understanding of how to operate the following, but not limited to, air handling units (AHU's), freezers, walk-in refrigerators, special room air balancing (i.e. isolation systems and laminar flow systems), laminar flow systems motor controllers, HEPA filtering requirements, and electronic, HVAC/VAV boxes. Position Summary: Operates, installs, troubleshoots and repairs all heating, cooling, ventilation, refrigeration related electromechanical equipment and HVAC related systems throughout various facilities.