Mechanical systems include chillers, cooling towers, air handlers, furnaces, boilers, fan coil units, compressors, heat pumps, VAV boxes, walk in freezers and refrigerators, and related mechanical/electrical equipment such as variable frequency drives, motors, pumps and fans. Perform maintenance on a wide variety of heating, ventilation, air conditioning and refrigeration equipment including recycling refrigerant, replacing pipes & valves, replacement of compressors, brazing, soldering, replacing motors, programing VFDs, actuators and controls work.