The heating system . Design and Operation" by A. I. Tkachuk and his co-authors are an indispensable resource for anyone interested in the design and operation of heating systems. This edition will become a reference book not only for engineers and designers, but also for students studying in the field of construction and energy, as well as for anyone who wants to understand more deeply how heating systems work in modern buildings. The book discusses in detail the basic principles of designing heating systems, starting from the choice of equipment and ending with the calculation of heat loads. The authors share their experience and knowledge, which makes the material accessible and understandable even for those who are just starting their way in this area. Each chapter is imbued with practical examples, which allows the reader not only to assimilate theoretical aspects, but also to apply them in practice. One of the key themes of the book is the selection of optimal heating schemes for different types of buildings. The authors consider both traditional and modern approaches, including the use of alternative energy sources. This makes the book relevant in today's market, where sustainability and energy efficiency are becoming increasingly important. Readers will be able to learn about new technologies, such as systems with heat pumps and solar collectors, which expands the horizons of understanding and application of heating systems. The book will be of interest not only to professional engineers, but also to those who are engaged in the repair or construction of their own homes. It will help homeowners better understand how their heating systems work, allowing them to manage energy costs more efficiently and maintain comfort in their homes. In addition, the book can be useful for students studying engineering specialties, as it contains the relevant information necessary for successful mastering the course. The style of the author and his co-authors is distinguished by the clarity and accessibility of the presentation. They use understandable language, avoiding overly complex terminology, which makes the book easy to understand. This is especially important for readers who do not have a special education, but are interested in the topic. In addition, the authors actively use illustrations and diagrams that help to visualize complex processes and make the material more visual. "Heating Systems. Design and operation” is not just a training manual, but a whole guide to the world of heating technologies. The book raises important topics such as energy efficiency, environmental aspects, and the economic benefits of properly designing heating systems. These issues are becoming particularly urgent in light of the current challenges posed by climate change and rising energy prices. If you are looking for literature on the design of heating systems, which combines theory and practice, then this book will be a real find for you. It is ideal for both professionals and amateurs who want to deepen their knowledge in this area. Do not miss the opportunity to learn about current trends and technologies that will help you create a comfortable and energy-efficient space. Thus, “Heating Systems . Design and Operation” is a must-read for anyone who wants to be aware of the latest developments in the field of heating systems and strives to create comfortable conditions in their home or workplace.