Essential Functions: Inspects equipment and facilities for proper operation and working condition, maintains routine records and determines type and extent of malfunction of equipment and, as necessary, adjusts, disassembles, and repairs or replaces parts or components, reassembles and tests for proper operation. May service and make repairs to heating, air conditioning and refrigeration equipment including fans, motors, radiators, thermostats, dampers and regulating controls; replace filters and fluids as necessary, and maintain routine records of repairs, etc.