Under general supervision, provides all levels of heating, ventilation, air conditioning, and refrigeration (HVAC-R) systems trades support and maintenance of school and building equipment systems. Based on the assigned level, this work may include analyzing, diagnosing, troubleshooting, installing, repairing, replacing, building, prefabricating, altering and maintaining equipment related to HVAC-R. Frequently works independently; may assist with the training and mentoring of other HVAC-R employees, as assigned. There are two levels/grades for this position: grade 18 and grade 20. Physical Demands: As required by the duties and responsibilities of the job. Work involves almost constant exposure to unusual elements, such as, extreme temperatures, toxic chemicals, biohazardous materials, dirt, dust, fumes, smoke, and/or loud noises. Considerable physical activity. Requires heavy physical work; heavy lifting, pushing, or pulling required objects up to 50 pounds. Physical work is more than 70% of the job. Work environment involves exposure to potentially dangerous materials and situations that require following extensive safety precautions and may include the use of protective equipment. Special Requirements: Ability to work beyond a 40-hour work week as required. Knowledge Skills Abilities:Knowledge of principles, concepts, and methods of electrical and mechanical components of systems. Knowledge of, or ability to quickly learn, new equipment and technology requirements. Knowledge of standard equipment operating procedures and ability to perform complex system operations. Ability to correctly and safely use tools associated with the HVAC-R trades. Ability to comprehend written, verbal, and visual directions, and to communicate with others clearly. Ability to use computers, including administrative software applications and computerized maintenance management systems. Knowledge of and the ability to meet the even core competencies of the Supporting Services Professional Growth System (SSPGS). Education Training Experience:HVAC-R Technician I (grade 18) - High School or GED diploma required. Successful completion of an acceptable apprentice level HVAC-R training program, plus four years of progressive experience in air conditioning or HVAC-R, two years of which shall have been at the apprentice II or equivalent level. Can demonstrate knowledge of the methods and skills used in the repair and preventive maintenance of HVAC-R or trade related components, systems, and equipment, to include application-specific and basic computer programs. Must possess knowledge of local, state, and national codes and of common hazards and safety precautions. Ability to read and interpret instructions, diagrams, sketches, blueprints, and manufacturers manuals; capability to estimate time and material needs, determine when repair is not economically practical, and perform routine tasks and arithmetic computation. HVAC-R Technician II (grade 20) - High School or GED diploma required. Successful completion of an acceptable apprentice level HVAC-R training program, plus five years of progressive experience in air conditioning or HVAC-R, two years of which shall have been at the journey level. Can demonstrate knowledge of the methods and skills used in the repair of electrical and mechanical components, dedicated direct digital controls (DDC), boilers, hot water/steam piping and functioning of air conditioning units, systems, equipment and application-specific/basic computer programs. Ability to read and interpret instructions, diagrams, sketches, blueprints, and manufacturers manuals; capability to estimate time and material needs, determine when repair is not economically practical, and perform routine tasks and arithmetic computation. Certificate License:Possession of a valid driver^s license is required for all levels. Additional certifications or licenses are required, as follows:HVAC-R Technician I: Must possess a valid EPA-Approved universal CFC license. HVAC-R Technician II : Must possess a valid EPA-Approved universal CFC license an active state-issued HVAC Journeyman license