Learning resources for apprentices, school, and university students in refrigeration technology.
This page is intended for anyone pursuing vocational training or a degree in the field of refrigeration, air conditioning, and refrigeration technology. Cooling Champions is especially suitable for:
- Apprentices training as refrigeration plant builders / refrigeration technicians
- Students at vocational schools
- Students in technical disciplines with a focus on refrigeration technology
- Learners aged 16 to 30 who want to learn in a practical and efficient way
Current topics

The F-gas regulations aim to reduce the environmental impact of fluorinated greenhouse gases in refrigeration technology. F-gases, such as HFCs, contribute significantly to the greenhouse effect. EU Regulation No. 517/2014 mandates a gradual phase-down of their use and promotes alternative, more environmentally friendly refrigerants. Companies must prevent leaks and carry out regular inspections.

Innovation is transforming the cooling industry and A2L refrigerants are at the forefront of this change. With a lower Global Warming Potential (GWP) and improved environmental performance, A2L refrigerants are helping shape the next generation of refrigeration and air conditioning systems. Whether you're a student exploring future technologies or considering a career in the HVAC-R industry, understanding A2L refrigerants provides valuable a insight into the sustainable solutions powering tomorrow's world.

The future of cooling is changing. Low-GWP (Global Warming Potential) refrigerants are helping reduce environmental impact while delivering the performance needed for modern refrigeration and air conditioning systems. Whether you're exploring sustainable technologies, preparing for a career in HVAC, or simply curious about climate-friendly innovation, understanding low-GWP refrigerants is an important step towards shaping a more sustainable future. Discover the science, benefits, and opportunities behind the next generation of cooling solutions.
Useful tools

Get the guidance, support, information, and tools you need - on site and in the classroom. Ref Tools is a free, powerful, all-in-one smartphone app that includes must-have tools for every refrigeration and air conditioning expert’s digital toolbox.

Coolselector®2 helps you optimize the energy consumption and efficiency of any HVACR system. Create precise calculations based on specific operating conditions—such as cooling capacity, refrigerant, evaporating and condensing temperatures—and then select the best components for your system. We’ve taken the complexity out of the equation so you can focus on what matters most: outstanding performance.
Study aids

Free refrigeration courses that help you with your training and continuing education.

Product animations that make your exam preparation easier. Watch our videos on various refrigeration topics.

Check out our YouTube channel and subscribe so you don’t miss any videos.

We have a broad collection of infographics to support your learning and help answer any remaining questions.
FAQs
Which learning materials help with training to become a refrigeration plant builder?
Study materials for refrigeration technology should include both theoretical fundamentals and practical examples. Particularly helpful are structured overviews, explanations of formulas, illustrative diagrams, and exam‑relevant study aids.
Is Cooling Champions also suitable for exam preparation?
Yes. The content of Cooling Champions is structured to specifically support preparation for class tests, midterm exams, and final exams in refrigeration technology.
Which fields of study is Cooling Champions suitable for?
Cooling Champions is aimed at learners in refrigeration and air‑conditioning technology as well as related technical vocational training and degree programs.