Now in its Fourth Edition, the ever-popular COMMERCIAL REFRIGERATION FOR AIR CONDITIONING TECHNICIANS helps readers apply existing HVACR skills to new concepts in order to service medium- and low-temperature refrigeration equipment such as walk-ins, reach-ins, refrigerated cases and ice machines. Chapters emphasize refrigeration in the food service industry, offering practical tips from the author and other experienced professionals on installing, servicing and troubleshooting commercial equipment. Extensively updated throughout the text, the Fourth Edition includes a simplified, step-by-step flowchart for quickly diagnosing and addressing the nine most common refrigeration problems on the job--as well as new information on the latest advances in commercial refrigeration. Ideal for advanced refrigeration courses, the text features new key terms and updated review questions to conclude each chapter, and online instructor resources include quiz and exam test banks and animated PowerPoint® slides for classroom presentations. Equally valuable as a real-world resource to keep on hand in the truck or shop, COMMERCIAL REFRIGERATION FOR AIR CONDITIONING TECHNICIANS, Fourth Edition, is an indispensable tool for any technician working with commercial refrigeration today.