The book "Energy saving in heat exchange processes: a methodological manual for practical training in the discipline "Fundamentals of ecology and energy saving" by I. and . Kirvel is a unique and deep work that will become an indispensable assistant for students, graduate students and anyone interested in energy conservation and ecology. In the modern world, where issues of sustainable development and rational use of resources are becoming more and more relevant, this manual offers readers not only a theoretical basis, but also practical recommendations that will help effectively apply knowledge in real life. The book covers a wide range of topics related to heat exchange and energy conservation. It examines the basic principles of heat exchange, methods to improve energy efficiency, as well as modern technologies to minimize energy losses in various processes. The author shares his knowledge and experience, inviting the reader to immerse himself in the world of physics and engineering, where every detail matters. Particular attention is paid to practical exercises that will help consolidate theoretical knowledge and learn how to apply them in practice. This makes the manual particularly useful for engineering students and anyone seeking an in-depth understanding of energy-saving processes. The book will be of interest not only to students and teachers, but also to professionals in the field of ecology, energy and engineering. It will be an excellent resource for those who work in the field of design and optimization of heat exchange systems, as well as for anyone who wants to improve their skills in the field of energy saving. Readers interested in sustainable development and environmental technologies will find in this manual many useful ideas and solutions that can be applied in their work or studies. The topics raised in the book are crucial in light of global climate change and the depletion of natural resources. Energy conservation is becoming not just a buzzword, but a necessity to ensure the future of our planet. Book and . and . Kirvela helps to understand how each of us can contribute to the preservation of the environment, using knowledge about heat exchange and energy saving. This guide not only educates, but also inspires action to improve the environmental situation. The author's style is distinguished by clarity and accessibility of presentation, which makes complex topics understandable to a wide audience. and . and . Kirvel is an experienced specialist in his field, and his other works are also devoted to issues of ecology and energy conservation. By reading his books, you can be sure of the high quality of the information and the relevance of the data presented . If you are looking for literature on the topics of energy saving, heat exchange, ecology or sustainable development, then this guide will be a real find for you Not only will it expand your knowledge, but it will also help you become a more responsible consumer of resources. The book “Energy Saving in Heat Transfer Processes” is a step towards a more conscious and environmentally friendly future that each of us should do.