About NH3 Training Center
Trusted by companies across the nation, NH3 Training Center is the expert partner you need for complete ammonia compliance and certification.
We Understand the Challenges Businesses Face with Comprehensive Training.
We translate complex regulations into practical, real-world training that makes a difference in your daily operations.At NH3 Training Center, we understand the critical importance of ammonia safety and the complexities of regulatory compliance your company faces. Navigating intricate mandates and ensuring every team member receives proper, up-to-date training can be a significant challenge, diverting valuable time and resources.
Our company was founded to simplify this process and provide reliable, expert-led training solutions built on real-world experience. We saw a need for training that wasn't just about checking a box, but about truly equipping teams with the knowledge and practical understanding needed to ensure safety and achieve full compliance effectively and efficiently. We are deeply committed to the safety of your operations and personnel.
Core Values & Beliefs
The "why" behind our passion within this industry.
Purpose
Mission
Vision
About Jet Stiffler, President & CEO
Jet has been involved with Process Safety Management since 1995. She started the company after the PSM Standard became law in 1992. Early on, she led a team that developed Mechanical Integrity Programs at several Houston Refineries and Chemical Plants. Her team worked closely with the OSHA South Houston office personnel to ensure they were meeting the requirements of the OSHA 1910.119 standard.
She became actively involved in the Ammonia Refrigeration Industry in 1999 to help facilities implement the EPA’s Risk Management Plan. Since that time, she has dedicated her career to providing competitive and dependable RMP and PSM compliance services to the refrigeration industry.
Jet has owned two PSM companies, the most recent being JS Compliance, which she established in 2015 and continues to be very innovative and creative in developing robust PSM and RMP compliance programs.
Our Clients
Companies who achieved compliance and certification with our training.
Meet our Team
Certified trainers dedicated to delivering expert ammonia safety training.
Don Hodge, Instructor
With over 20 years in the food processing industry — including a decade dedicated to industrial refrigeration — Don Hodge brings a wealth of practical insight and technical mastery to every training session.
His foundation in Quality Assurance, Safety, and thermodynamics naturally led him to the classroom, where he’s been instructing since 2018. As a certified RAI professional and trainer at the NH3 Training Center, Don specializes in refrigeration systems, boiler operations, and Process Safety Management (PSM). His teaching style is rooted in real-world application, helping elevate safety standards and operational excellence across the industry.
Donnon Tragethon, Instructor
Don Tragethon has been a highly experienced instructor in ammonia refrigeration since becoming a RETA member in 1988. His commitment to education is evident through leadership roles on RETA's Certification and Education Committees and numerous conference presentations. A recipient of the RETA Guy R. King award, Don is a pivotal professional trainer at NH3 Training Center, dedicated to delivering top-tier training informed by decades of collaboration. He received his RAI credential in 2017 and currently chairs the RETA Education Committee.
David Egger, Instructor
With over 25 years of hands-on experience in the ammonia refrigeration industry, David brings unmatched expertise across the full system lifecycle — from initial design and construction to long-term maintenance and daily operations.
He’s a recognized authority on regulatory compliance, with deep knowledge of IIAR, EPA, and OSHA standards. David specializes in optimizing industrial refrigeration systems through safe operations and preventative maintenance, helping facilities stay efficient, compliant, and prepared.
Start Your Training
Book Your Workshop. Master Compliance. Earn your Certification.