The Refrigerating Engineers & Technicians Association (RETA), founded in 1910, is an international society of individuals and companies involved in the design, operation and …

RETA certification requires meeting eligibility criteria and demonstrating knowledge of industrial refrigeration concepts, principles and practices. RETA certification exams and other …

Candidates may reschedule their exam by contacting RETA at least four business days before their scheduled test date. If you reschedule or cancel after the deadline a $150 late fee will be …

Sign in to the online training Web Portal We have a separate web portal for online training. Click here to sign in to online training if you're already a subscriber. Your online training sign in …

A minimum of two year’s machine room experience is required. The verification of experience (VOE) form must be submitted to RETA before your application will be processed. The form is …

Explore RETA's online store for products and resources tailored to the needs of refrigerating engineers and technicians.

RETA offers CARO, CIRO, and CRST candidates online access to practice tests that cover the same content areas that are in the full CARO, CIRO and CRST examinations.

This list of course offerings is provided as a service to our members, however RETA cannot enroll you for the classes. You will need to contact the school/business directly.

If you are not a member of the site yet, please register - we'd love you to be part of our online community. You will need to sign in, in order to view members only RETA publications …

CRST Exam Specific Requirements Before applying for CRST certification, you must have an active (non expired) RETA CARO or CIRO certification. OR A Verification of Experience (VOE) …