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You are here: The Job Explorer > Job Description > Trades > Hvac/Refrigeration Mechanic Responsibilities

Hvac/Refrigeration Mechanic Duties

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Performs manual work at the journeyman level in the repair and installation of refrigeration, air conditioning, and heating equipment.

Work involves the application of trade skills in installing, repairing, maintaining, and servicing refrigeration, air conditioning, heating, and related equipment. Work is assigned by a foreman and the employee works with some independence on routine assignments. Requires the exercise of judgment in determining the extent of repair and work procedures. Supervision may be exercised over one or several helpers on major repair and installation jobs. Work is subject to regular inspections by a foreman, and is also reviewed by the persons requesting services. Job requirements, on occasion, require work beyond normal duty hours resulting from emergency or high priority work.


Overhauls and services refrigeration, air conditioning, and heating units by repairing or replacing and adjusting worn or broken parts on condensers, compressors, and water and vacuum pumps; tests refrigeration equipment for leaks; repairs or adjusts valves, piping connections, fittings, and couplings; removes and installs motors, thermostats, and humidistats; adjusts pressure, solenoid, and expansion valves; adds gas to refrigeration unit, weighing carefully; checks gauges and makes inspections for preventive maintenance; changes and washes oil cleaners and air filters.

Assists in installing air conditioning, heating, and related equipment and components; may supervise and instruct one or several helpers.

Repairs and maintains component parts of air conditioning, refrigeration, and ventilating systems in offices, classrooms, dormitories, apartments, laboratories, kitchen and food service units.

Performs other work as required in support of general maintenance activity.


High school diploma or GED; 2 years of experience in the trade which may include an apprenticeship and/or applicable vocational training, or any equivalent combination of training and experience. Refrigerant handling certification.

Knowledge of the principles, practices, materials, tools, and equipment of refrigeration, air conditioning, and/or heating equipment operation, maintenance, and repair.

Skill in troubleshooting and repair of HVAC related electrical components (motors, starters, etc.).

Knowledge of the occupational hazards and safety precautions of the trade.

Ability to understand and follow oral and written directions and to work from blueprints and sketches.

Skill in locating and correcting defects in refrigeration, air conditioning, heating, or related equipment.

Skill in the use and operation of tools and equipment used in the repair and maintenance of mechanical equipment.



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