HVAC Mechanic

The Heating, Ventilation, and Air-Conditioning (HVAC) Mechanic provides all HVAC services at the CMI customer site in Beltsville, MD.

Key Job Functions

• Operation and maintenance of the HVAC systems, plumbing and electrical systems. 

• Provide repair, carpentry, and painting renovations, in addition to completing installations and modifications. 

• Fabricates, assembles and installs ductwork and chassis parts, using portable metalworking tools and welding equipment

• 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 ensure 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

• Performs other HVAC related duties as required