Written in a style that is easy to understand, this Third Edition of Fundamentals of HVACR introduces the principles of heating, ventilation, air conditioning, and refrigeration. The book is comprehensive enough to be used as the basis not only for HVACR courses, but for entire HVACR programs. Units are short and digestible, presenting complex material in a concise, straightforward manner without ever dumbing down its topics. Compared to other, similar texts, Fundamentals of HVACR is visually stunning, featuring 2900 supporting photographs, illustrations, drawings, and diagrams–most of them in full color. The Third Edition has been revised to reflect expanded coverage of electricity, motor controls, motor applications, new technologies, regulations, and changes in the HVACR market, and remains the most up-to-date HVACR text available.