Introduction to CO₂
Ready to master the future of refrigeration? Enroll in the Introduction to CO₂ Training Program and gain the knowledge to work confidently with CO₂ systems!

Learn CO₂ Refrigeration Across All Major Brands
This training prepares you to work on transcritical CO₂ booster systems—because we cover the principles, components, and controls used by some of the world’s top manufacturers.
- Danfoss
- Copeland
- Bitzer
- Hussmann
- Hillphoenix
- Zero Zone
- M&M Carnot
- Evapco LMP
- Arneg
- Micro Thermo
- and much more...
No matter which system you encounter in the field, you’ll have the confidence to diagnose, service, and maintain it.


Video Testimonials
Why Choose This CO₂ Training

Practical Skills You Can Use Immediately
Learn hands-on CO₂ refrigeration practices that you’ll apply in the field right away, giving you results on your very next service call.

Build your Confidence with Transcritical CO₂ Refrigeration
Gain the knowledge to tackle CO₂ systems with certainty, boosting your reputation and making you the go-to technician everyone relies on in your company.

Boost Your Career & Income
Technicians with CO₂ expertise are in demand. Master these skills to unlock better opportunities, advance faster, and secure higher earning potential in your career.
What does this Introduction to CO₂ Program provide for you?
Instructor-Led Virtual Classes
Weekly Quizzes & Assignments
Certificate of Completion
One-on-one Mentorship in a Group Setting
Our goal is to help you become more confident with CO₂ and become more valuble to your organization.
Certification

Successfully complete all program components, including quizzes, assignments, and the final assessment, to earn the Introduction to CO₂ Refrigeration Program Certificate of Completion from Refrigeration Mentor.
**This course is a continued professional development program to add to your current knowledge & skills and it is not a substitute for your local Refrigeration and HVAC qualifications. Always follow local codes and safety protocols.
Supermarket Refrigeration experience recommended
Instructor Led Virtual Training Breakdown

Fundamentals of CO₂ Refrigeration & Safety

CO₂ System Components & Design

Introduction to CO₂ Controls and Electrical

Service & Maintenance Procedures
Testimonials






Frequently Asked Questions
Is this training virtual, and will I get access to a recording?
Yes! The Introduction to CO₂ Training Program is delivered live online in a virtual classroom. If you can’t attend a session, recordings will be available so you can watch and review at your own pace.
What does the program include?
You’ll get 8+ hours of live training, supporting videos and resources, one-on-one mentorship in a group setting with Trevor Matthews, and deep dives into CO₂ topics across 4 technical training sessions
Who is this program designed for?
This course is ideal for:
Technicians and apprentices aiming to build confidence in CO₂ refrigeration systems
Professionals transitioning into commercial refrigeration or CO₂ systems
Anyone seeking a clear foundation in transcritical CO₂ refrigeration and practical troubleshooting
What are the main topics covered in the course?
The program is structured into four core modules:
1. Fundamentals of CO₂ Refrigeration & Safety: Key terms, refrigeration principles, and safe handling procedures
2. CO₂ System Components & Design: Components, system types, and design considerations
3. Introduction to CO₂ Controls & Electrical: Wiring diagrams, controllers, and common troubleshooting
4. Service & Maintenance Procedures: Routine maintenance, CO₂ charging procedures, and real-world service call guidance
Do I get a certificate of completion?
Yes. After completing all sessions, quizzes, and the final assessment, you’ll receive a Certificate of Completion from Refrigeration Mentor.
Does this training replace an HVAC license or formal certification?
No. This is professional development training only. It’s meant to boost your skills and confidence but does not replace local licensing or certification requirements.
About Refrigeration Mentor
Refrigeration Mentor is a international training and development organization that is dedicated to training, educating, and mentoring refrigeration professionals throughout the industry. The founder, Trevor Matthews who is a Certified Training & Development Professional and a subject matter expert in commercial refrigeration systems, has worked as a technician installing, commissioning, and servicing supermarket racks, commercial refrigeration, and HVAC systems.
Trevor has trained thousands of technicians, managers, and business owners and has helped educators, contractors and manufacturers develop trainings around specific refrigeration topics that met their needs. Trevor takes a systematic approach when designing a program and makes sure the information is easily digestible from servicing and troubleshooting systems to making technologies like CO2 refrigeration seem simple to work with, while motivating and building confidence in the learners.
We pride ourselves on providing honest, value-adding, and high-quality training services. We work with our clients to customize learning and development programs that meet their specific needs, from technical training design to full program rollouts that focus on building a culture around training, education and mentoring within your organization.
