Equip your students with the knowledge and skills they need to maintain and troubleshoot today complex heating, air conditioning, and refrigeration systems. REFRIGERATION & AIR CONDITIONING TECHNOLOGY, Ninth Edition, is a time-honored best-seller offering the hands-on guidance, practical applications, and solid foundation your students need to understand modern HVAC service and repair, its environmental challenges, and their solutions. With content aligning to the latest industry standards, this trusted resource continues to provide leading content and skill-building activities to prep learners for several certifications and exams -- ICE, NATE, HVAC Excellence, RSES, HARDi, and United Association (UA) STAR. Focused on sustainable technology and emphasizing new technologies and green awareness, the Ninth Edition features the latest advances in the HVAC/R industry, including updated content throughout the text and more than 400 new and revised figures and images. Drawing on decades of industry experience, the authors also cover the all-important soft skills and customer relations issues that todays professionals need to master for career success. Memorable real-world examples, hundreds of vibrant photos, and unique Service Call features bring key concepts to life and help students develop the knowledge and skills to succeed in todays dynamic industry.