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Chiller Apprentice Jobs in California (NOW HIRING)

EMCOR Group Inc

Mesa Energy Systems, Inc.

Santa Ana, CA · On-site

$31.32 - $56.95/hr

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation ... Must have completed 4-year apprenticeship program or technical schooling * Must have 5+ years of ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Fresno, CA · On-site

$29.31 - $56.18/hr

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation ... Must have completed 4-year apprenticeship program or technical schooling * Must have 5+ years of ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Irvine, CA · On-site

$31.32 - $65.49/hr

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation ... Must have completed 4-year apprenticeship program or technical schooling * Must have 5+ years of ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Los Angeles, CA · On-site

$31.32 - $56.95/hr

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation ... Must have completed 4-year apprenticeship program or technical schooling * Must have 5+ years of ...

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Chiller Apprentice information

What is the difference between Chiller Apprentice vs HVAC Technician?

AspectChiller ApprenticeHVAC Technician
CertificationsBasic HVAC or chiller-specific training, apprenticeshipsEPA Certification, HVAC licenses
Work EnvironmentCooling systems, industrial or commercial settingsResidential, commercial, industrial systems
Job FocusLearning chiller operation and maintenanceInstalling, repairing, maintaining HVAC systems

The Chiller Apprentice primarily focuses on learning to operate and maintain chillers in industrial or commercial environments, often as part of an apprenticeship program. An HVAC Technician has a broader scope, working on various heating, ventilation, and air conditioning systems, including chillers. Both roles require foundational HVAC knowledge and certifications, but the Chiller Apprentice is more specialized in chillers during training stages.

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Chiller Apprentice jobs near you
Infographic showing various Chiller Apprentice job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Service Technician Apprentice

Mesa Energy Systems, Inc.

Grover Beach, CA • On-site

$25 - $35/hr

Full-time

Re-posted 4 days ago

Job description

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.
Job Summary
The HVAC Apprentice Technician is responsible for assisting in the operation, repair, replacement and preventative maintenance of commercial and industrial air conditioning and heating systems, chillers and boilers, air handlers, fan coil units, water treatment equipment, controls and other building mechanical and electrical equipment under direction from a Journeyman/ Foreman/Field Service Supervisor. The individual must be self-motivated and work under direct supervision. Good communication skills; verbal and written are imperative. 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.
Essential Duties & Responsibilities
• Knowledge of how HVAC equipment
• Responsible for assisting in assembling, installing, servicing and repairing customer heating, air conditioning and other HVAC equipment.
• Retrofit installations, ductwork, refrigeration piping, and wiring
• Installation and change-outs of ductwork on commercial
• Self-motivated and work with little supervision.
• Maintain safe work practices in support of OSHA Health & Safety and NFPA 70e standards.
Qualifications
• High School Diploma or GED
• Entry level experience in maintaining and working with HVAC equipment.
• Strong oral and written communication required.
• Ability to follow written and verbal instructions and perform duties with 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 Vehicle Operators license
• 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.
• Working knowledge of desktop computers and Internet based programs to perform required annual training.
• Ability to wear a company uniform and maintain a neat personal appearance
• This position will require a background check and drug screening.
#Mesa #LI-Mesa #LI-HVACjobs #LI-Onsite
Equal Opportunity Employer
As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled
Affirmative Action Policy
Please review our Affirmative Action Policy.
Notice to Prospective Employees
Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list 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.
Geographic Disclosure
Compensation Range: $25 - $35 per hour. The hourly rate is determined by the CBA/rate sheet and test results. Benefits are provided through local labor union aligned with collective bargaining agreement.

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