This set of five DVDs effectively presents the superior hands-on information contained in the all-new 5th Edition of Refrigeration and Air Conditioning Technology for successful maintenance and troubleshooting of todays complex heating, air conditioning, and refrigeration systems. Intended for use as a supplement to classroom lessons, these DVDs include theory-related topics and practical, step-by-step skill that combine to provide an invaluable resource. All aspects of HVAC-R industry are covered, from basic heat theory and the pressureenthalpy chart to the laws of physics that govern the behavior of solids, liquids, and gases. Special safety considerations are addressed throughout with dedicated coverage highlighting personal safety and dress, equipment and tool safety, and the governmental agencies that help ensure safety on the job. A favorable blend of theory, diagnostics, and repair procedures makes this DVD set a fitting complement to basic HVAC-R education, as well as upgrading and certification training for technicians in the field.