The book "Heat engineering calculation of elements of enclosing structures of buildings" by M. A. Karapetyan is an indispensable work for professionals in the field of construction, architecture and design . In today's world, where energy efficiency and sustainable development are becoming increasingly important, this publication offers readers a deep understanding of the thermal engineering processes occurring in the enclosing structures of buildings. In his book, Karapetyan not only examines the theoretical aspects of heat engineering calculation, but also offers practical recommendations that will help engineers and architects to optimize the design of buildings. The author shares his experience and knowledge, allowing readers to better understand how to choose the right materials, calculate heat losses and select designs to ensure maximum energy efficiency. The book will be of interest not only to professional builders and architects, but also to students studying at the faculties of architecture and construction. It can also be useful for those who are interested in modern technologies in the field of construction and want to understand more about issues related to thermal insulation, ventilation and other aspects that affect comfort and safety in the premises. The topics raised in the book cover a wide range of issues, from the fundamentals of thermodynamics and physics of building materials to more complex calculations related to climatic conditions and the specifics of building operation. Karapetyan emphasizes the importance of the correct choice of enclosing structures, which not only protect against external factors, but also contribute to the creation of a comfortable indoor microclimate. The author's style is distinguished by clarity and accessibility of presentation, which makes complex technical concepts understandable even for beginners. Karapetyan uses many illustrations and examples from practice, which allows readers to better absorb the material and apply it in their work. It is important to note that the book includes up-to-date data and recommendations that comply with modern standards and norms, which makes it especially valuable for professionals working in the context of rapidly changing legislation in the field of construction. If you are looking for literature on topics related to heat engineering calculations, energy efficiency, building design or construction technologies, the "Heat engineering calculation of elements of building envelopes" will be a real find for you. This book will not only expand your knowledge, but also help you become a more competitive specialist in your field. Karapetyan is an author who has already established himself in professional circles, and his works are often mentioned in scientific articles and training courses. Among his other well-known works are works on construction technology and design, which are also popular among students and practicing engineers. Thus, the "Heat engineering calculation of elements of building envelopes" is not just a textbook, but a real encyclopedia of knowledge for those who want to understand the principles of design and construction of modern buildings more deeply. This book will be your reliable assistant in the world of engineering, where accuracy and quality play a key role.