li>Knowledge of the operation and maintenance of air compressors, pneumatic controls, electronic temperature controls, relay systems, thermostats, VAV systems, VFDs, rooftop and other air-handling units, including gas-fired units, chillers, energy management systems, pumps, 2-pipe and 4-pipe systems.
The HVAC Technician II is responsible for performing semi-skilled work involving the routine installation, adjustment, operation, repair, and maintenance of building heating, ventilation, and air conditioning (HVAC) systems and refrigeration equipment.