A Content Access Code is packaged with some new Cengage textbooks, purchased at local bookstores, or purchased online. It lets you register your book and access the online materials. Your access code should be similar to PP8XLP3XD528HC
A course key is a 12 or 15-digit string of numbers and letters that identifies which course youre taking. Your instructor should provide this to you. Try locating your course key in your syllabus or on your instructors course web pages.
To register for CourseMate you must use the Access Code located on your Printed Access Card. Note that a CourseMate Course Key is registered directly from the CourseMate Home page, only after you have registered and launched your CourseMate product.
CourseMate Course Keys are not entered via CengageBrain. If your instructor provided a Course Key, open your CourseMate product. From the CourseMate Home page click the Enter Your Course Key button and enter your Course Key to enroll in your instructors course.Close
The "best" in heating, cooling, and refrigeration just got better! This time-honored best seller has been updated and revised to provide superior hands-on information needed to successfully maintain and troubleshoot today's complex heating, air conditioning, and refrigeration systems. It fosters a solid foundation and understanding of environmental problems and their solutions, and displays a depth and detail of theory, diagnostics, and repair procedures that make this a fitting book for basic HVAC-R education as well as upgrading and certification training for technicians in the field. The fifth Edition includes information on typical operating conditions, and offers ample systematic troubleshooting techniques and scenarios with an eye to improving reader's skills. This book has been developed around the National Skill Standards for HVAC-R technicians as funded by the U.S. Department of Education, and contains easy-to-understand language for grasping fundamental and advanced concepts in the HVAC-R field.