HVAC (San Diego, CA)

HVAC

Minimum Requirements High school diploma or equivalent with technical school certification or two year degree equivalent. Minimum seven years direct experience in industrial commercial and office building operations and maintenance. Strong practical knowledge of commercial HVAC electrical mechanical and plumbing systems and equipment. Summary Responsible for performing preventative maintenance repairs and efficient operation of all HVAC mechanical systems and other tasks that may be assigned in the most efficient and workmanlike manner. Essential Duties and Responsibilities Install service and repair environmental-control systems in residences department stores office buildings and other commercial establishments utilizing knowledge of refrigeration theory pipefitting and structural layout. Mounts compressor and condenser units on platform or floor using hand tools following blueprints or engineering specifications. Fabricates assembles and installs ductwork and chassis parts using portable metalworking tools and welding equipment and installs evaporator unit in chassis or in air-duct system using hand tools. Cuts and bends tubing to correct length and shape using cutting and bending equipment and tools cuts and threads pipe using machine-threading or hand-threading equipment joins tubing or pipes to various refrigerating units by means of sleeves couplings or unions and solders joints using torch forming complete circuit for refrigerant installs expansion and discharge valves in circuit. Connects motors compressors temperature controls humidity controls and circulating ventilation fans to control panels and connects control panels to power source. Installs air and water filters in completed installation. Injects small amount of refrigerant into compressor to test systems and adds Freon gas to build up prescribed operating pressure. Observes pressure and vacuum gauges and adjusts controls to insure proper operation tests joints and connections for gas leaks using gauges or soap-and-water solution. Wraps pipes in insulation batting and secures them in place with cement or wire bands. Replaces defective breaker controls thermostats switches fuses and electrical wiring to repair installed units. May install repair and service air conditioners ranging from fifteen to twenty tons cooling capacity in warehouses and small factory buildings.