NH3 Training Center

Basic Ammonia Refrigeration For Non-Operators (Daily Rounds, ESD)
2025-09-11, 2025-11-13, 2026-01-07, 2026-01-21, 2026-02-03, 2026-02-12, 2026-03-03, 2026-04-14 and 2 more dates | Online Training, Online
This online course is designed for entry-level refrigeration or maintenance technicians, managers, and plant engineers looking to build foundational knowledge in ammonia refrigeration systems. Through plant-specific scenarios and hands-on demonstrations, it focuses on daily rounds, emergency shutdown procedures, and essential system components, equipping you with the skills for safe and proper operations.

Operator II (NH3CO) - CIRO Review Course
2025-11-03 - 2025-11-06 | Katy, TX, Katy, TX, United States
This advanced course is designed for experienced ammonia refrigeration operators, managers, and plant engineers looking to deepen their expertise. Building on foundational knowledge, it covers complex topics like PSM for operators, advanced refrigeration systems, and electricity fundamentals, preparing students for the CIRO test and enhanced job performance.

Operator I (NH3AO) - CARO Review Course
2025-12-01 - 2025-12-04 | Refrigerated Warehouse Construction & Mechancial Co, 10811 Vine Crest, Ste. 150, Houston, TX, 77086, United States
This foundational course is for entry-level refrigeration or maintenance technicians and engineers seeking essential knowledge in ammonia refrigeration systems. Based on the RETA Industrial Refrigeration I Training Manual, it covers key topics from PSM history to system operation, preparing students for the CARO test and daily job duties.

CARO Refresher Review Course
2025-12-10 - 2025-12-11, 2026-02-04 - 2026-02-05, 2026-05-27 - 2026-05-28 | Online Training, Online
This training is based on RETA Industrial Refrigeration Study Course (IR-I).
RETA Certifications must be renewed EVERY THREE YEARS.
(Certifications are valid for three years from the test passage date or the date of the last three-year renewal
cycle.)
The following content areas are in the CARO examination. These are the areas that we will
be covering in the CARO Refresher Prep Course. This course is to be taken as a supplement
to an OP I course and is intended to help prep a student to take the RETA CARO exam. This
Course is not intended as a replacement for an OP I course and, as such, will not be going in
depth into the following subjects. This is not an introductory course, and students are
expected to already have knowledge of the following materials, and the information supplied
in this course is just supplemental.

Introduction to RMP & PSM
2026-01-06, 2026-01-08, 2026-01-20, 2026-01-29, 2026-02-10, 2026-03-05, 2026-04-16 | Online Training, Online
This online introductory course is designed for PSM teams, plant management, and corporate personnel seeking to understand EPA’s Risk Management Plan (RMP) and OSHA’s Process Safety Management (PSM) Program. It reviews the 14 elements of PSM and RMP requirements, providing essential knowledge for compliance and safety in the ammonia refrigeration industry.

Test Event
2026-01-31 | Online Training, Online

Operator I (NH3AO) - CARO Review Course
2026-02-16 - 2026-02-19 | Orlando, FL, Orlando, FL, United States

Strengthening Your PSM Program through Targeted Training and Staffing
2026-03-04 | Online Training, Online
This course analyzes training and staffing deficiencies specific to ammonia refrigeration operations, links deficiencies to documented incident findings, and presents a prioritized, actionable framework to close gaps and other key recommendations. References include OSHA regulations, Letters of Interpretation, OSHA ammonia guidance, CSB final reports, NIOSH data, and IIAR industry standards and bulletins.

Operator I (NH3AO) - CARO Review Course
2026-03-23 - 2026-03-26 | Fort Worth, TX, 9601 Camp Bowie West Blvd, Fort Worth, TX, 76116, United States

Senior Management's Responsibilities EPA's Risk Management Plan
2026-04-02 13:00 - 15:00 (America/Chicago) | Online Training, Online
Class starts at 1pm CST
This focused online training is for plant managers and corporate personnel responsible for implementing OSHA’s Process Safety Management (PSM) and EPA’s Risk Management Plan (RMP). It provides a crucial overview of both regulations, equipping senior leadership with the knowledge to ensure compliance and effective oversight of ammonia refrigeration systems.

Operator I (NH3AO) - CARO Review Course
2026-05-04 - 2026-05-07 | Waverly, IA, Waverly, IA, United States

Process Safety Management and Risk Management Requirements for the Ammonia Refrigeration Industry
2026-05-12 - 2026-05-14 | TBD
This training is designed as an introduction to EPA’s Risk Management Plan and OSHA’s Process Safety Management Program for the facilities PSM Team, Plant Management and Corporate personnel. It is a review of each of the 14 elements of PSM and the EPA RMP Requirements.
Please note that a minimum of 6 attendees is required. Should the class be canceled due to low enrollment, a full refund or credit will be issued.

Operator I (NH3AO) - CARO Review Course
2026-06-01 - 2026-06-04 | Katy, TX, Katy, TX, United States
