The book "Fundamentals of design of air conditioning systems" by B. P. Gavrilkina is an indispensable resource for anyone interested in modern climate control technologies and the design of air conditioning systems. This publication will be a real guide for both students of technical universities and practicing engineers who want to deepen their knowledge in this area. In his book, Gavrilkin invites readers to immerse themselves in the world of air conditioning design, starting with the basics and ending with more complex concepts. The author shares his long-term knowledge and experience, which makes the material accessible and understandable even for those who are just starting to study this topic. It deals with various aspects of design, including the choice of equipment, calculation of heat loads, as well as features of the installation and operation of air conditioning systems. The reader will be able to learn about modern technologies used in this field, as well as about new trends and approaches that will help create effective and cost-effective solutions. The book will be of interest not only to students and specialists, but also to a wide range of readers, including architects, builders and business owners who seek to create comfortable conditions in their premises. The age range of readers can range from high school students interested in engineering sciences to seasoned professionals looking to update their knowledge on the latest developments in air conditioning. The topics raised in the book cover a wide range of issues related to the design and operation of air conditioning systems. Gavrilkin emphasizes the importance of the correct choice of equipment and its installation, which directly affects the efficiency of systems. It also discusses environmental aspects, which is especially relevant in light of current requirements for sustainable development and environmental protection. The reader will be able to understand how to properly integrate air conditioning systems into the overall architectural concept of the building, making the book especially valuable for professionals working in the field of design and construction. The author's style is distinguished by clarity and logical presentation, which makes it easy to absorb even the most complex technical aspects. Gavrilkin uses many illustrations and diagrams, which makes the material more clear and understandable. His previous works, such as “Heat and Heat Transfer” and “Basics of Heat Engineering Design”, have also been recognized for their accessibility and practical orientation, which confirms his status as an expert in this field. The book "Fundamentals of design of air conditioning systems" is not just a textbook, but a real find for everyone who seeks to create comfortable conditions in the premises. It will be useful for both beginners and experienced professionals who want to expand their horizons and learn about the latest trends in the design of air conditioning systems. Readers interested in topics related to climate systems, architecture and engineering will find in this book a lot of useful information that will help them in their professional activities. If you are looking for a high-quality and informative publication on the design of air conditioning systems, then book B. P. Gavrilkina will be a great choice . It will not only enrich your knowledge, but also inspire new ideas and solutions in the field of climate control.