"Ventilation Duct Marking" by Aleksei Mikhailovich Nekrasov is an indispensable reference for HVAC professionals, students, and educators involved in ventilation and air conditioning. In this book, the author shares his deep expertise and practical experience, helping readers not only grasp the theoretical foundations but also apply them effectively in real-world projects. As indoor air quality becomes an increasingly pressing concern, Nekrasov’s guide offers a detailed overview of how to properly mark and layout ventilation systems. The book covers various types of ducts, their structural features, and the methods for accurate marking, making complex concepts accessible even to newcomers in the field. Key topics include material selection, calculating duct dimensions and shapes, and optimal placement within indoor spaces. Who will find this book useful? Primarily, it’s a valuable resource for engineers, designers, and installation specialists working in ventilation and climate control. It also serves as a practical guide for students in technical universities studying construction, architecture, and engineering disciplines. Adult readers seeking to enhance their skills in designing ventilation systems will discover plenty of useful insights and practical tips. The issues addressed in this book are highly relevant in today’s context of stringent indoor air quality standards. Nekrasov emphasizes the importance of correct duct marking to ensure the efficient operation of ventilation systems. He also discusses how proper ventilation impacts health, making this a particularly valuable resource for those concerned with well-being and comfort in residential and commercial spaces. Aleksei Nekrasov’s writing style is clear and accessible. He skillfully combines theoretical explanations with real-world examples, facilitating easy comprehension. As the author of several other works in ventilation and air conditioning, his extensive experience makes his insights reliable and authoritative. Readers familiar with his previous publications will appreciate the depth and consistency of analysis presented in "Ventilation Duct Marking." If you’re looking for high-quality literature on ventilation systems that can help you navigate the complexities of design and installation, this book will be a trusted companion. Regardless of your level of expertise, "Ventilation Duct Marking" will open new horizons of knowledge and support your development into a true professional in the field. Don’t miss the opportunity to improve your skills and advance your qualifications with this unique resource. Read, learn, and implement the knowledge gained to create comfortable, safe environments for work and living.