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Learn more about Refrigeration Mentor Customized Technical Training Programs at www.refrigerationmentor.com/courses
In this episode, we're talking with Billy Carlson of Carlson Heating and Air Conditioning about his personal story and career path. Billy shares his experience and reflections on the refrigeration industry, including tips for training new technicians. We cover key topics such as the challenges of rack refrigeration, the transition to CO2 systems, the importance of manufacturer support, and the dynamics of training technicians. We also discuss practical aspects like handling dry ice, system startups, and the impact of new technologies like ejectors. This episode was recorded live at the 2026 HVAC/R Training Symposium.
In this conversation, we cover:
(0:20) Billy Carlson's Journey in Refrigeration
(1:56) Challenges and Learning in Supermarket Refrigeration
(2:54) Transitioning to CO2 Refrigeration Systems
(12:26) Training and Mentorship in Refrigeration
(18:55) E2 Settings
(19:49) Trend Graphs and CO2 Refrigeration Systems
(21:09) Cold Weather Challenges
(22:47) Insulation and Roof Design
(28:22) Advice for New Refrigeration Technicians
Helpful Links & Resources:
HVAC/R Training Symposium
Episode 72. Why You Need To Head To Events Like The HVACR Training Symposium
Episode 237. Tips for New Technicians Getting Into Supermarket Refrigeration with Aidan Lucey
Episode 350. Supermarket Refrigeration Tips and Tricks with Robert Ochs
By Trevor Matthews5
3131 ratings
Join the Refrigeration Mentor Hub here
Learn more about Refrigeration Mentor Customized Technical Training Programs at www.refrigerationmentor.com/courses
In this episode, we're talking with Billy Carlson of Carlson Heating and Air Conditioning about his personal story and career path. Billy shares his experience and reflections on the refrigeration industry, including tips for training new technicians. We cover key topics such as the challenges of rack refrigeration, the transition to CO2 systems, the importance of manufacturer support, and the dynamics of training technicians. We also discuss practical aspects like handling dry ice, system startups, and the impact of new technologies like ejectors. This episode was recorded live at the 2026 HVAC/R Training Symposium.
In this conversation, we cover:
(0:20) Billy Carlson's Journey in Refrigeration
(1:56) Challenges and Learning in Supermarket Refrigeration
(2:54) Transitioning to CO2 Refrigeration Systems
(12:26) Training and Mentorship in Refrigeration
(18:55) E2 Settings
(19:49) Trend Graphs and CO2 Refrigeration Systems
(21:09) Cold Weather Challenges
(22:47) Insulation and Roof Design
(28:22) Advice for New Refrigeration Technicians
Helpful Links & Resources:
HVAC/R Training Symposium
Episode 72. Why You Need To Head To Events Like The HVACR Training Symposium
Episode 237. Tips for New Technicians Getting Into Supermarket Refrigeration with Aidan Lucey
Episode 350. Supermarket Refrigeration Tips and Tricks with Robert Ochs

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