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

RETA certification exams and other requirements assess competencies in the realm of industrial refrigeration operation. RETA training materials provide the fundamental knowledge needed to …

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 required …

Future Conferences - RETA Future Conferences

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.

Plan ahead! RETA Network Testing Centers Below are the RETA Network testing centers offering RETA certification exams. To learn more about the location, click on the provider logo. Please note: You …

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 credentials may be …

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.

The 2025 RETA National Conference will cover a wide array of topics for professional development of industrial refrigeration operators and technicians. The conference spans 4 days filled with hands-on …

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 required …