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State of Washington Classified Job Specification


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Class Code: 621L
Category: Maintenance Trades & Labor


Supervises Heating, Ventilation, and Air Conditioning (HVAC) Technicians, performs skilled HVAC work, and monitors the daily activities of a designated multi-locational HVAC unit. 

Typical Work

Plans, organizes, and directs work of HVAC Technicians engaged in the installation, maintenance, and repair of plumbing, heating, water, cooling, refrigeration, sewer and fire suppression systems, steam distribution systems, commercial air-conditioning (environmental) equipment; air handling units; and pneumatic/electronic/electrical or mechanical control systems; 

Performs skilled HVAC work; 

Consults with appropriate resources to plan, estimate, and execute projects; requisitions materials and equipment; 

Plans, organizes, and directs training for assigned personnel; 

Prepares reports and analyzes data for budget information; 

Determines personnel requirements, schedules daily and future work plans, conducts evaluations and provides leadership for shop programs and personnel; 

Performs other work as required. 

Knowledge and Abilities

Knowledge of:  standard practices, methods, materials, tools, and equipment of the HVAC trades; operation and theory of steam generation equipment, fluid and gas systems; laws, rules or regulations that pertain to pressure vessels. 

Ability to:  read, interpret, and work from blueprints, plans and sketches; supervise personnel; utilize personal computers. 

Legal Requirement(s)

There may be instances where individual positions must have additional licenses or certification.  It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position.

Desirable Qualifications

Journey-level standing as refrigeration mechanic or steamfitter as attested by: 

            a.         Completion of recognized apprenticeship in refrigeration or steamfitter trades and two years of journey-level experience as an HVAC Technician. 


            b.         Full journey-level status in Plumbers and Pipefitters Union and two years of journey-level experience as an HVAC Technician. 


            c.         Six years of applicable experience in the performing work in refrigeration or steamfitter trade or a combination of the two.  Vocational or trade school training as a steamfitter or refrigeration mechanic will substitute, year for year, for work experience up to a maximum of two years.  


            d.         Completion of a recognized program for heating, ventilation, and air conditioning, and two years of journey-level experience as an HVAC Technician. 

Class Specification History

New class adopted September 11, 1992.
Revise class. Revises typical work; adopted June 3, 1997.
Revise class. Revises class code (formerly 70281), general revision; adopted May 10, 2007, effective July 1, 2007.
Base range salary adjustment adopted 6/13/2019, effective 7/1/2019.