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You are here: The Job Explorer > Job Description > Trades > Hvac Systems Control Tech Responsibilities

Hvac Systems Control Tech Duties

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Performs journeyman level work in the heating, ventilation, and air conditioning trade involving the installation, diagnosis, troubleshooting, and repair of electric, electronic, and computerized control systems.

Work involves reading and interpreting building blueprints and HVAC systems diagrams and specifications, isolating and identifying problems, and installing and calibrating controls and equipment according to specifications. Work is performed under the general supervision of the shop foreman, and in some instances, under the direction of an engineer or project coordinator. This position has no direct supervisory responsibilities over subordinate workers, but may oversee the work of trades helpers, air conditioning mechanics, or other skilled craft workers involved in specific projects. Work is reviewed by observation of results and effective operation of HVAC system controls. Job requirements, on occasion, require work beyond normal duty hours in support of emergency or high priority work.


Maintains, inspects, and repairs pneumatic and electronic, electric and DDC HVAC system controls.

Performs troubleshooting tasks, including problem diagnosis, identification, and isolation. Discusses system malfunctions with users to assist in isolation of problem. Determines appropriate action for problem resolution.

Use TAB techniques to perform diagnostic duties and make repairs to systems.

Inspects systems to verify system compliance with plans and specifications and to detect malfunctions in system component parts.

Studies building system design, as-built blueprints, HVAC systems diagrams, technical specifications, and system configurations. Tests component and system performance to determine the need for adjustment or repair; develops methods to resolve performance problems in the most efficient and cost effective manner.

Programs, designs, and modifies HVAC sub-systems of electronic building automation systems.

Consults with engineers and contractors as necessary regarding system operation and configuration.

Plans and schedules installation and repair operation for systems.

Orders appropriate materials, components, and equipment necessary for efficient system operation.

Remains available for emergency callback in the event of system failures.

Coordinated the work of trades workers assigned to support data collection and/or large project objective.

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


High school diploma or GED; 4 years of experience in the trade which may include an apprenticeship and/or applicable vocational training and should include some experience in the HVAC trade as a service or maintenance technician with a minimum of two years automated system controls-related experience or equivalent formal training in automated systems controls operations; or any equivalent combination of training and experience. Valid Georgia driver's license required.


Considerable knowledge of the HVAC trade, including knowledge of automated control systems and components.

Knowledge of the test and diagnostic equipment and instruments and hand and power tools used in this work.

Ability to read and analyze building blueprints and HVAC systems diagrams and specifications.

Ability to communicate effectively with engineers, craftsmen, contractors, vendors, and system users orally and in writing.

Ability to maintain effective working relationships with system users, faculty and staff members, co-workers, and vendors.

Ability to stand, stoop, climb, bend, stretch, and walk as required to successfully install, inspect, and repair building automation systems. Ability to lift, hold, and carry equipment and materials weighing up to 75 pounds on an occasional basis.

Ability to operate standard motor vehicles, including automobiles, trucks, and vans.



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