Installs, services, troubleshoots, and repairs air conditioning and refrigeration systems and equipment utilizing knowledge of refrigeration theory, pipe fitting, and structural layout. Fabricates, assembles and installs ductwork, chassis parts and other equipment using portable metal working tools and welding equipment. Repair or replace defective components in equipment and their controls, including thermostats, automatic switches, fan controls, log switches, damper motors, louvers, relays, filters, controls, belts, compressors, heat exchangers, high limit controls, pressure controls, and safety valves. Perform electrical maintenance work in the repair and installation of HVAC equipment, components, timers, motors and wiring systems as needed; connect motors to control panels. Lubricate and pack heating, ventilation, refrigeration, and air-conditioning motors, pumps, fans, and other equipment. Install and calibrate systems; install copper tubing and repair pipes and tubing as necessary; test joints and insulate pipes of refrigeration and air conditioning systems. Install, rebuild, replace or repair fans, motors, thermostats, fuses, filters, bearings, valves, controls, gaskets and other equipment as necessary. * Special Wage Rate: Work to be performed on DPRI-funded projects and projects covered by Davis Bacon, Service Contracts Act, and/or Executive Order 14206 will be paid no less than the indicated wage rate but may be paid more where special rates apply and may require paid holidays and/or paid sick leave. #DPRI# How to Apply: Via email: apply_unitedmechanical@hotmail.com Via mailing address: P.O. Box 25385 Barrigada, Guam 96921