The book "Fundamentals of refrigeration and cryogenics", created by the team of authors, is a fascinating and deep immersion in the world of thermodynamics and technologies that are behind refrigeration and cryogenics systems. This edition will be an indispensable tool for both students of technical universities and practitioners in the field of engineering, mechanics and energy. The book discusses key aspects of refrigeration, including the principles of operation of various refrigeration machines, their design and scope of application. The reader will be able to learn about modern technologies used in refrigeration systems, as well as about cryogenic technology, which opens up new horizons in areas such as medicine, space research and scientific experiments. This makes the book relevant not only for engineers, but also for researchers working at the intersection of science and technology. Particular attention in the "Fundamentals of refrigeration and cryogenics" is paid to the thermodynamic cycles that underlie the operation of refrigeration units. The authors explain in detail how different parameters affect the efficiency of systems, which allows the reader to understand more deeply how to optimize processes and improve equipment performance. In addition, the book contains many practical examples and tasks, which makes the material more accessible and understandable. Who can like this edition? First of all, it will be useful for technical students studying thermodynamics, mechanics and engineering disciplines . The book will also be an excellent help for graduate students and young professionals seeking to deepen their knowledge in the field of refrigeration and cryogenic equipment. Engineers working in the field of design and maintenance of refrigeration systems will find in it a lot of useful information that will help them in everyday practice. The topics raised in the book cover a wide range of issues, ranging from the basics of thermodynamics to modern trends in the field of refrigeration. The authors emphasize the importance of sustainable development and energy efficiency, which is especially relevant in the light of modern environmental challenges. Readers will be able to see how refrigeration technologies can contribute to reducing the carbon footprint and saving resources. The style of presentation in the book is clear and accessible, which makes complex technical concepts understandable even for those who are just beginning to get acquainted with this area. The team of authors includes experienced specialists who share their knowledge and practical experience, which gives the book additional value. If you are looking for literature that will help you understand the basics of refrigeration and cryogenics, "Fundamentals of refrigeration and cryogenics" will be an excellent choice. This book will not only enrich your knowledge, but also inspire new ideas and solutions in your professional activities. In a world where technology is rapidly evolving, understanding the operating principles of refrigeration and cryogenic systems is becoming increasingly important. Don’t miss the opportunity to become an expert in this exciting field!