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
Jet Stiffler, President & CEO
Jet Stiffler is a distinguished leader in Process Safety Management (PSM), bringing over three decades of regulatory expertise to the industrial refrigeration industry. Shortly after the inception of OSHA’s PSM Standard in 1992, Jet founded her first consulting firm, where she spearheaded Mechanical Integrity programs for major Houston-area refineries in direct collaboration with OSHA’s South Houston office.
Since pivoting to the ammonia refrigeration sector in 1999, Jet has become a cornerstone of the industry, founding and scaling two successful compliance firms—most recently JS Compliance, which was acquired by the Kelvin Group in 2024. Now serving as the Chief Compliance Officer for the Kelvin Group and President of the NH3 Training Center, Jet oversees the strategic evolution of compliance programs nationwide. She remains a premier educator, dedicated to delivering cost-effective, reliable PSM and RMP solutions that ensure safety and operational excellence.
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.
Don 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.
Russ Ramos, Instructor
Based in Newman, California, Russ and his wife, Teri, have deep roots in their community, where they raised their five children and now enjoy time with their six grandchildren. Russ serves as an Elder at Orestimba Presbyterian Church (ECO), the same congregation he has attended since childhood.
With a career spanning more than four decades, Russ entered the industry in 1979 as a technician working with screw compressor packages and associated FES equipment. His leadership in the field is highlighted by his 1995 tenure as National President of the Refrigerating Engineers and Technicians Association (RETA), where he remains an active member at both the local and national levels.
Today, as an instructor at the NH3 Training Center, Russ bridges the gap between theoretical knowledge and practical application. He draws on his extensive field experience to instill rigorous safety standards in technicians and operators throughout the industrial ammonia refrigeration industry
Start Your Training
Book Your Workshop. Master Compliance. Earn your Certification.