The Cengage Learning Refrigeration & Air Conditioning Technology 8th HC 2009 is a comprehensive textbook authored by Bill Johnson, Bill Whitman, John Tomczyk, and Eugene Silberstein. This textbook covers the subjects of air conditioning and refrigeration, making it a valuable resource for vocational schools and technical education programs. With a publication year of 2009, this eighth edition features 1728 pages filled with essential information for students and professionals in the field. The hardcover format and large size of 10.9 x 11.3 inches make it a convenient and durable reference book for those studying in the areas of technology and engineering.