Certified Assistant Refrigeration Operator (CARO)
Credential: Certified Assistant Refrigeration Operator (CARO)
Credentialing Agency: Refrigerating Engineers & Technicians Association (RETA)
Renewal Period: 3 years
Certified Assistant Refrigeration Operator (CARO) is an entry-level credential designed to demonstrate that an operator has sufficient knowledge to work under supervision in industrial refrigeration. There is no minimum experience requirement for CARO. Applicants are required to pass an exam. The exam assesses mastery of concepts and principles in RETA's Industrial Refrigeration I and the Ammonia Safety chapter in Industrial Refrigeration IV. Applicants and those certified must agree to abide and uphold the RETA Code of Conduct.
More information can be found on the certifying agency's website.
Certified Assistant Refrigeration Operator (CARO)
MINIMUM REQUIREMENTS
Eligibility Requirements (View Details)
- Credential Prerequisite
- Experience
- Education
- Training
- Membership
- Other
- Fee
Note: This credential may have multiple options for becoming eligible. Listed are the minimum requirements based on the minimum degree required. To view other options, see the Eligibility tab.
Exam Requirements (View Details)
- Exam
- Written Exam
- Oral Exam
- Practical Exam
- Performance Assessment
RECERTIFICATION SUMMARY
Renewal Period: 3 years
AGENCY CONTACT INFORMATION
Refrigerating Engineers & Technicians Association (RETA)
1725 Ferry St SW
Albany, OR 97322
Phone: (541) 497-2955
Fax: (541) 497-2966
Contact Page
Other REQUIREMENTS
The Certified Assistant Refrigeration Operator (CARO) credential has the following other requirements:
- Candidates must be in compliance with the Refrigerating Engineers & Technicians Association RETA Code of Conduct.
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Applicants must show entry level knowledge needed to assist in refrigeration system operations under supervision.
Written Exam
- Refrigeration fundamentals
- Refrigeration cycle
- Properties of refrigerants and refrigerant tables
- Types of refrigerant compressors
- Operation and maintenance of compressors
- Lubrication
- Evaporators and cooling units
- Condensers and high-pressure receivers
- Purging
- Safety, hazards, and prevention
Exam Preparation Resources
There are a number of resources available to help you prepare for the Certified Assistant Refrigeration Operator (CARO) examination:
RECERTIFICATION
Certified Assistant Refrigeration Operator (CARO)
Renewal Period: 3 years