The HVAC Engineer's Handbook Eleventh Edition by ASHRAE is a comprehensive guide that provides a thorough understanding of the principles and practices of heating, ventilation, air conditioning, and refrigeration (HVAC) systems. The book covers all aspects of HVAC design, installation, operation, and maintenance, making it an indispensable resource for engineers, architects, contractors, and facility managers. It includes new developments in energy-efficient design, sustainability, and building information modeling (BIM), as well as updates on codes and standards. The book is divided into four sections: Fundamentals, HVAC Systems and Equipment, Controls and Building Automation, and Energy Efficiency and Sustainability. Each section covers the latest technologies, trends, and best practices in the field, providing readers with a broad range of knowledge to help them excel in their careers. The first section, Fundamentals, covers the basics of HVAC systems, including thermodynamics, psychrometrics, and moisture control. It also discusses the importance of proper system design, installation, and operation, highlighting the need for a holistic approach to HVAC system design.

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