DIGITAL UPDATE available for Fall 2022 classes For courses in HVACR. Introduction to HVACR basics, in digestible units Fundamentals of HVACR is a plain-language account of the principles of heating, ventilation, air conditioning and refrigeration. The text is comprehensive enough to serve as the basis of both HVACR courses and entire HVACR programs. Units are short and digestible, presenting complex material clearly and concisely. Practical tips and examples offer context and deepen understanding. The 4th Edition has been updated and revised to meet current industry standards and requirements. It has 5 new units covering HVACR electronic controls, electrical installation, room air conditioners, CO2 refrigeration systems and hydrocarbon refrigeration units. Hallmark features of this title Comprehensive introduction to HVACR Extensive coverage of electricity and electrical systems and components negates the need for a separate electrical text. EPA Certification Outline is a cross-referenced listing of each EPA competency document. Practical applications Service tickets give examples of problems that service technicians commonly encounter. They explain how information in each unit can be used to solve these problems. Safety, service and tech tips help technicians perform their jobs safely, efficiently and with a solid foundation of technical knowledge. Learning aids 2,900 visual aids, including photos, illustrations and diagrams, support technical clarity and student comprehension. Review questions help assess students' grasp of the material. New and updated features of this title Alignment with industry standards REVISED: The 4th Edition has been completely updated and revised to meet current industry requirements and standards. UPDATED: Learning objectives have been updated for consistency with chapter content. New content reflecting key skills and knowledge NEW: 5 new units have been added to this edition: HVACR Electronic Controls (Ch. 35), Electrical Installation (Ch. 42), Room Air Conditioners (Ch. 48), CO2 Refrigeration Systems (Ch. 85) and Hydrocarbon Refrigeration Units (Ch. 86). EXPANDED: Sustainability content has been built upon for the new edition. Expanded coverage of electrical codes EXPANDED: Electrical codes are addressed in greater detail in this edition. EXPANDED: Additional coverage of commercial codes is now included. Highlights of the DIGITAL UPDATE for Revel (available for Fall 2022 classes) Learn more about Revel. EXPANDED: 8 additional simulations, for a new total of 20, expose students to on-the-job scenarios and best-practice approaches. EXPANDED: 370 additional unit and chapter quiz questions help students test their comprehension as they move through the text. Features of Revel for the 4th Edition; published 2021 More than 200 minutes of video appear inline next to corresponding narrative. These video segments feature author and expert presentations of key concepts and skills. Interactive exercises such as matching, drag-and-drop, multiple-choice and fill-in-the blank let students check their understanding at regular intervals. Troubleshooting simulations are available for select chapters. They challenge students to respond to realistic scenarios, helping develop their decision-making skills. Flashcards and study tools provide practice with all the important key terms.