This book is a complete textbook for undergraduate students in mechanical engineering and will serve as a reference for postgraduate students and practicing engineers. The subject material covered in this book contains new topics relevant to the undergraduate curriculums of most universities. It is student-friendly, concise, with good illustrations and problem solving hints. The author has used his experience of teaching this subject in India and the US universities in designing this book. He has also made full use of his industrial consulting experience in the field of Refrigeration and Air Conditioning in making this textbook up-to-date with the current scenario in the field of RAC. Key Features — Extensive coverage of RAC applications — Up-to-date with recent advances in cryogenics — Detailed discussion on RAC controls — Explanation of latest RAC equipment including AHUs — Revision of basic thermodynamics and heat transfer — Complete and thorough coverage of all topics