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

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 …

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

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 …

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.

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 …

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.

Jul 31, 2025 · RETA National conference provides a unique gathering of networking, learning, and fun into a single platform. Please remember to plan to come early for pre-conference activities

Start a National or International Chapter If there's not a Chapter in your region or country, please consider starting one. First, and foremost it’s a way to be personally and actively involved in …