Maintenance Iii- Hvac/Refrigeration

Queen Anne's County Public Schools Stevensville , MD 21666

Posted 1 week ago

JOB SUMMARY: The HVAC/Refrigeration Maintenance III position is responsible for performing technical tasks involved in operating, maintaining, installing and repairing a variety of heating, ventilation, air conditioning and refrigeration equipment. The incumbent must read and interpret performance charts and control panels which reflect the efficiency of each piece of equipment in the system. This position performs work according to general and specific instructions, following guidelines for operation found in technical orders, manufacturers' manuals, plans, specification and instructions received from the Maintenance Foreman. Work is reviewed daily through reports, logs and conferences with the Maintenance Foreman. Employees in this position frequently act as work leader and assist the foreman in the overall supervision of work. Nature of work requires responding to weekend or evening emergency calls involving HVAC/Refrigeration problems.


  • High School or GED diploma required supplemented by completion of a recognized apprenticeship or trade school; or any equivalent combination of experience and training which provides the required knowledge, skills, and abilities.

  • Demonstrated experience in the installation, maintenance, and repair of a variety of heating, ventilation, air conditioning and refrigeration equipment systems.

  • Demonstrated knowledge of principles, practices, methods, and equipment of engineering work materials, and tools of the HVAC and refrigeration trade.

  • Demonstrated knowledge of approved methods and practices in installing, maintaining, and repairing common HVAC and refrigeration appliances and equipment.

  • Good knowledge of common hazards, practices and safety precaution as they relate to heating, ventilation, air conditioning and refrigeration equipment.

  • Ability to operate equipment by starting, stopping, adjusting and setting controls as indicated by prescribed plans and specifications.

  • Ability to work from HVAC/refrigeration diagrams and manuals.

  • Ability to keep time and material work records.

  • Skill in the use and care of hand and power tools of the trade.

  • Ability to respond to emergency work requirements.

  • Must possess a valid driver's license.

  • Good human relations and communications skills.


    1. Participates in planning, servicing, and scheduling the maintenance program for heating, ventilation, air conditioning, and other building mechanical equipment.

    1. Participates in planning, servicing and scheduling the maintenance program from refrigeration equipment including: freezers, refrigerators, milk and water coolers.

    1. Repairs electrical systems and replaces controls, switches and relays.

    1. Lubricates various parts of machinery and equipment periodically as required; replaces and adjusts fan belts and worn bearings.

    1. Repairs HVAC pumps, piping, valves, steam traps and cooling towers.

    1. Inspects entire service area periodically to determine proper functioning condition and maintenance requirements; prepares maintenance records on equipment.

    1. Recommends to Maintenance Foreman when he/she believes major repair is needed.

    1. Perform related work as required.


  • Persons performing service in this position classification will exert 50 to 75 pounds of force independently and frequently to lift carry, push, pull or otherwise move objects.

  • This type of work may involve ascending and descending ladders, stairs, scaffolding and ramps and will involve walking or standing for extended periods.

  • Perceiving the nature of sound, near and far vision, depth perception, providing oral information, the manual dexterity to operate equipment and use hand tools, and handle and work with various materials and objects are important aspects of this job.

  • Exposure to hot, cold, wet, humid or windy conditions caused by weather may occasionally be experienced.


Placement on the Queen Anne's County Support, Unit II salary scale is commensurate with certification and experience. The salary range is $39,908 - $57,233. This position is a 12 month position. The work week is 40 hours.

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Maintenance Iii- Hvac/Refrigeration

Queen Anne's County Public Schools