repairing and maintaining building equipment as needed to ensure buildings or facilities are functioning properly.
carries out general repairs and maintenance of machinery and equipment by diagnosing and troubleshooting special service problems following all building codes, blueprints, instructions, and manuals.
estimating material and labor cost and determining plan and requirements for installing, fabricating, and start-up; testing, and servicing HVAC equipment.
assist air-conditioning engineer.
responsible for training and assisting less experienced co-workers, and carrying out other duties that may be assigned.