For courses in Principles of Heating, Ventilating, AC/Refrigeration, Electricity and Electronics for HVAC and Controls for HVAC. Electricity, Electronics, and Control Systems for HVAC was written to help students understand how to install, troubleshoot and repair electrical parts of air-conditioning, heating, and refrigeration systems. The author uses over 20 years of experience to simplify electrical theory, show the operations of motors and controls and teach various troubleshooting techniques. Chapters are devoted to reading and writing diagrams and a unique chapter is included on how to find and keep a job. With strong visuals and a clear presentation, this book is simple enough for beginners yet detailed enough to serve as a reference in the field.