Small and Medium Power Boilers and Heating Devices . The industry catalog (15-83) by Anonymous is an indispensable reference for engineers, designers, specialists in heating and energy, as well as for those who seek a deeper understanding of modern heating systems technologies. This book is a carefully structured industry catalog that reveals all the subtleties and features of boilers of small and medium power, as well as furnace devices used in various fields of industry and housing and communal services. The focus of this book is a practical guide to the selection, operation and maintenance of boilers and furnaces. The author, remaining anonymous, created a work rich in accurate technical information that will be useful to both experienced specialists and novice engineers. The book describes in detail the design, principles of operation, features of installation and maintenance of equipment, which makes it a valuable source of knowledge for those who want to improve the efficiency of their heating systems or upgrade existing installations. This book is especially relevant for professionals working in the field of energy, thermal energy, as well as for managers and project organizations involved in the development and implementation of heating solutions. It is perfect for students of technical universities studying thermal engineering and energy, as well as for those who are looking for a reliable source of information on modern boiler technologies. Age range of readers - from young professionals to experienced engineers seeking to update their knowledge and get acquainted with the latest trends in the industry "Small and medium power boilers and furnace devices. Industry Directory (15-83)" raises important topics related to energy efficiency, environmental safety and innovative technologies in the field of heating systems. The book deals with the optimization of boilers, the choice of materials and components, as well as methods to improve the reliability and durability of equipment. The author pays special attention to modern standards and regulations, which makes this catalog not only a practical tool, but also an important normative document for professional activities. The style of presentation of the author is clear, concise and technically accurate, which makes it easy to navigate complex information and quickly find the necessary data. Despite the rigor and professional focus, the book is not devoid of practical advice and recommendations based on the experience and current trends of the industry. In general, this edition is an excellent assistant for those who want to understand the nuances of heating systems and choose the most suitable equipment for specific conditions. If you are already familiar with other works in the field of heat engineering or energy, for example, with classic manuals on boiler plants or industry catalogs of equipment, then "Small and medium-power boilers and furnace devices. Industry Directory (15-83)" will be a logical continuation and extension of knowledge for you. This book deserves attention not only as a technical guide, but also as a source of inspiration for finding new solutions and improving the efficiency of heating systems. In general, this edition is not just a collection of technical data, but a complete guide that will help specialists make the right choice of equipment, improve the quality of service and ensure safety of operation. Due to its structured approach and the relevance of information, the book "Cells of small and medium power and furnace devices. Industry Directory (15-83)” will become an indispensable assistant in professional activities and a valuable addition to the library of everyone who is interested in the development of modern heating and energy technologies.