Written by Dick Wirz of Refrigeration Training Services, this book is designed for experienced A/C techs who want to learn about commercial refrigeration, primarily utilized in food service operations like restaurants, cafeterias, convenience stores, hotels, bars, and markets. Many HVACR programs use this book in their refrigeration courses because it is relevant, easy to understand, and filled with pictures and diagrams. In addition, the publisher, CENGAGE, offers free instructor resources such as test banks, answers to the Review Questions at the end of each chapter, and more.