Commercial HVAC Service Technician

About Us

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems.

Essential Duties & Responsibilities

• The HVAC Service Technician is responsible for the operations, repairs, replacement and preventative maintenance of commercial and industrial air conditioning and heating systems.

• Must have working knowledge of chillers, boilers, air handlers, fan coil units, water treatment equipment, controls and other building mechanical and electrical equipment.

• Technicians will be familiar with kitchen and refrigeration equipment and all refrigerants.

• Work with the Dispatch Team to ensure that the workload is accomplished in a complete and timely manner.

• The individual must maintain safe work practices in support of the OSHA Health & Safety and NFPA 70e standards as it applies when performing the assigned duties.

Qualifications

• High School Diploma or GED

• 5 years of experience in maintaining similar type and size commercial equipment, along with a current Universal CFC certification

• Strong oral and written communication required.

• Ability to follow written and verbal instructions and perform duties with minimal supervision in isolated areas.

• Knowledge and experience in the proper use and safe operation of hand tools, equipment, and testing devices necessary to perform all work assignments.

• Valid Driver’s license and able to maintain a good driving record.

• Ability to stand, sit or squat for extended periods of time.

• Ability to lift, move and carry material up to 50 lbs.

• Ability to climb stairs, ladders, and work at extended heights.

• Ability to wear Personal Protective Equipment (PPE). i.e., but not limited to, Dust mask, gloves, eye protection and hearing protection.

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Notice to Prospective Employees

Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companieslist open positions here ( . Please check our available positions to confirm that a post or email is genuine.

EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR’s normal application process – it is probably fraudulent.

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Job Locations US-AZ-Phoenix

ID 2026-51863

Company Mesa Energy Systems, Inc.

Category Maintenance

Position Type Full-Time

Location Type Onsite

Posted Date 1 month ago (8/17/2026 1:38 PM)