LIGHTLY USED - GREAT CONDITION. The "Refrigeration and Air Conditioning Technology Ninth 9th edition (2020 Hardcover)" is a comprehensive textbook authored by experts in the field. Published by Cengage Learning, this textbook covers topics in Technology & Engineering, Science, as well as Technical & Manufacturing Industries & Trades. With 1728 pages, this revised edition includes content relevant to the subject area, making it a valuable resource for adult education and technical-level students. The hardcover format and large size make it a durable and informative tool for those studying in the United States.