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TEMPORARY Air Conditioning & Heating Mechanic

Company: State Center Community College District
Location: Fresno
Posted on: November 23, 2022

Job Description:

General Purpose

Under general supervision, installs, operates, inspects, troubleshoots, maintains and repairs heating, ventilation, air conditioning, refrigeration equipment and chiller/boiler systems; and performs related duties as assigned.

Essential Duties & Responsibilities

The duties listed below are intended only as illustrations of the various types of work that may be performed. The omission of specific statements of duties does not exclude them from the position if the work is similar, related or a logical assignment to this class.

* Installs, operates, inspects, troubleshoots, performs preventative service, maintains and repairs air-conditioning and heating systems and multiple chiller/boiler plants across the District, including hot water boilers, heat pumps, motors, heating/ventilating units, reciprocating chillers, cooling towers, condensers, energy storage systems, air compressors, refrigeration units, high- and low-voltage controllers and Variable Frequency Drives.

* Monitors and maintains/repairs chiller/boiler plants; adds or removes oil from chillers; adds/treats chemicals for heating and cooling systems and adjusts chemical feeds and controllers; adds refrigerant; changes filters; greases motors and pumps; changes/adjusts fan belts; adds/treats chemicals for cooling tower water and adjusts chemical feeds and controllers; takes chiller readings on amperage, temperature and pressure, analyzes data and assesses operating conditions to achieve optimum chiller performance; performs visual and operating sounds inspections of all components and controls; schedules and programs condensing boiler operation; adjusts boiler lockout temperatures.

* Installs, analyzes, maintains, repairs and programs the District's energy management system and all its components; uploads, downloads and backs up controller configurations; writes logic; replaces switches, sensors, actuators, transducers, and low-voltage transformers; commissions new devices and decommissions old systems that fail.

* Maintain/repairs air handlers ensuring water flow and airflow; troubleshoots and repairs evaporative coils, motors and actuators; calibrates pneumatic transmitters; replaces starters, sensors and digital controllers when necessary.

* Inspects, installs and modifies/repairs air-conditioning, heating and refrigeration systems; repairs ice machines.

* Attends construction planning meetings and provides input on HVAC and control systems for new/remodel construction projects.

* Coordinates, assigns and evaluates the work of contractors involved in HVAC projects; works from blueprints and schematics; plans and lays out work; verifies functionality and commissions the work completed by contractors.

* Provides training, support and assistance to other building maintenance employees; leads small projects by assigning, scheduling and monitoring work for completeness, accuracy and conformance with District requirements and regulatory mandates.

* Operates a variety of hand and power tools and test equipment used in the trade.

* Creates and maintains electronic service records; maintains a variety of records, including blueprints, sketches, diagrams and logs; writes reports as required; assists in developing specifications for work to be completed by others.

* Demonstrates sensitivity to and understanding of historically minoritized groups and participates in professional development activities to increase cultural competency to enhance equity-minded practices within the District.


* Assists other journey-level maintenance personnel in cooperative assignments.

* Performs related duties as assigned.

Employment Standards / Minimum Qualifications


Knowledge of:

* Standard principles, practices, methods and tools of the heating and air-conditioning trade.

* Materials, methods and manual/electrical tools used in the operation and repair of heating, air-conditioning and refrigeration systems, and chiller/boiler plants.

* Applicable building codes, ordinances and regulations of federal, state and local authorities pertaining to heating, air conditioning and refrigeration.

* Air compressor and pneumatic control operation, installation, maintenance and repair.

* Cooling tower and boiler water treatment.

* Welding, soldering and pipefitting techniques.

* The District's energy management system and its components.

* Health and safety regulations and policies.

* Recordkeeping practices and techniques.

* Proper methods of storing equipment, materials and supplies.

* Shop and trades mathematics.

Skills and Abilities to:

* Perform journey-level skilled mechanical maintenance duties in the inspection, repair, installation and alteration of the District's chiller/boiler plants and heating, ventilation, air-conditioning and refrigeration systems and related equipment and facilities.

* Calibrate systems.

* Perform preventive maintenance and servicing of equipment and systems.

* Diagnose defects and install, repair and maintain heating, ventilation, refrigeration and air-conditioning systems.

* Interpret and work from plans, diagrams and specifications.

* Follow oral and written instructions.

* Operate specialized machinery, equipment and tools utilized in the trade.

* Effectively engage and support historically minoritized groups by addressing issues of equity and improving culturally responsive service-oriented practices.

* Communicate effectively, both orally and in writing.

* Understand and follow written and oral instructions.

* Work independently with little direction.

* Meet schedules and timelines.

* Maintain records.

* Operate a truck and electric cart.

* Establish and maintain effective working relationships with all those encountered in the course of work.


Graduation from high school or GED equivalent, completion of a HVAC instructional program, and three years of journey-level experience in the installation, maintenance and repair of chiller-boiler plants; or an equivalent combination of training and experience.


A valid California driver's license and the ability to maintain insurability under the District's vehicle insurance program.

EPA-approved Section 608 Type I and II refrigeration certification.


The physical and mental demands described here are representative of those that must be met by employees to successfully perform the essential functions of this class. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Physical Demands

While performing the duties of this class, employees perform moderate to heavy physical labor with constant standing and walking for extended periods; walk over rough or uneven surfaces; frequently push, pull, lift and carry heavy objects weighing up to 75 pounds; bend, stoop and kneel; use manual dexterity to safely operate power equipment; operate motorized equipment and vehicles, including a truck and electric cart to travel to various campuses and locations on campus.

Mental Demands

While performing the duties of this class, employees are regularly required to use written and oral communication skills; read and interpret data, information and documents; analyze and solve basic problems; use basic math and mathematical reasoning; observe and interpret situations; learn and apply new information or new skills; work under deadlines with interruptions; and interact with District staff, other organizations and the public.


The work environment characteristics described here are representative of those an employee encounters while performing the essential duties of this class. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

The employee frequently works near moving mechanical parts, in outside weather conditions and is exposed to extreme weather and wet or humid conditions, fumes, and toxic or caustic chemicals. The noise level is often noisy.

The employee may be required to travel to locations other than assigned work site and to adjust to work schedule changes and requirements to work overtime.

Assessment Process

Only the most qualified applicants will be invited to interview for the assignment.

Keywords: State Center Community College District, Fresno , TEMPORARY Air Conditioning & Heating Mechanic, Professions , Fresno, California

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