<!--[if gte mso 9]> <![endif]--> Before you purchase, check with your instructor or review your course syllabus to ensure that you select the correct ISBN . Several versions of Pearson's MyLab & Mastering products exist for each title, including customized versions for individual schools, and registrations are not transferable. In addition, you may need a CourseID , provided by your instructor, to register for and use Pearson's MyLab & Mastering products. Packages Access codes for Pearson's MyLab & Mastering products may not be included when purchasing or renting from companies other than Pearson; check with the seller before completing your purchase. Used or rental books If you rent or purchase a used book with an access code, the access code may have been redeemed previously and you may have to purchase a new access code. Access codes Access codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code. Check with the seller prior to purchase. --<!--[if gte mso 9]> Normal 0 false false false EN-US X-NONE X-NONE <![endif]--> <!--[if gte mso 9]> <![endif]--> <!--[if gte mso 10]> <![endif]--> Created with a clear-cut vision of necessary knowledge, this groundbreaking text provides comprehensive coverage of heating, ventilating, air conditioning, and refrigeration. Lauded as a reader-friendly text that delivers fundamental concepts, the most current trends, and practical applications with simple language and skillfully presented concepts, F undamentals of HVACR , 2 nd edition boasts carefully selected artwork and the right amount of detail. This book is everything readers need to know to install, service, and maintain HVACR systems.