Evacuated Glass Tube Solar Collector as an Air Heater" is a comprehensive book that explores the design, performance, and applications of evacuated glass tube solar collectors for air heating purposes. The book focuses on the analysis, optimization, and practical implementation of these innovative solar heating systems. The book begins by providing an overview of solar thermal energy and the importance of utilizing renewable energy sources for space heating. It introduces the concept of evacuated glass tube solar collectors, which are highly efficient and capable of harnessing solar energy even in challenging weather conditions. Readers will gain a fundamental understanding of the principles and working mechanisms of evacuated glass tube collectors as air heaters. Moving forward, the book delves into the design considerations and engineering aspects of evacuated glass tube solar collectors. It covers topics such as collector configuration, absorber plate design, heat transfer mechanisms, and insulation techniques. The book explores the impact of various design parameters on the thermal performance and efficiency of the collectors. It provides guidelines for optimizing the design and construction of evacuated glass tube solar collectors to maximize heat transfer and energy conversion. Throughout the book, practical aspects of using evacuated glass tube solar collectors as air heaters are addressed. It discusses considerations such as installation, operation, and maintenance of these systems. The book explores the integration of solar air heaters with existing heating systems, such as forced-air systems or radiant floor heating, to provide sustainable and cost-effective heating solutions. It also covers the economic and environmental benefits of using evacuated glass tube collectors for air heating applications. Furthermore, "Evacuated Glass Tube Solar Collector as an Air Heater" examines the performance analysis and simulation techniques for evaluating the thermal performance of these systems. It discusses mathematical modeling, computational fluid dynamics (CFD), and experimental methods for assessing heat transfer rates, energy efficiency, and system performance. The book also explores advanced control strategies and automation techniques to optimize the operation of evacuated glass tube solar collectors as air heaters. This book serves as a valuable resource for researchers, engineers, architects, and students in the field of solar energy and sustainable