A Complete, Up-to-Date Guide to AC and Refrigeration Fully revisited to cover the latest techniques, tools, refrigerants, and equipment, Air Conditioning and Refrigeration, Second Edition, provides a thorough introduction to the basic principles and practices of the AC and refrigeration industry. Step-by-step instructions, along with more than 800 photographs and illustrations, demonstrate efficient, cost-effective, and current methods for choosing, installing, maintaining, troubleshooting, servicing, and repairing today's cooling and climate control systems. Whether you're a do-it-yourselfer, a professional technician, or a student, you'll find the task-simplifying details you need for any project. Learn all about: Tools, instruments, and specialized equipment Development of refrigeration Voltage, current, and resistance Solenoids and valves Electric motors Refrigerants Refrigeration compressors Condensers, chillers, and cooling towers Water-cooling problems Evaporators Refrigerant flow control Servicing and safety Freezers Temperature, psychrometrics, and air control Comfort air conditioning Commercial air-conditioning systems Various types of air conditioners and heat pumps Estimating load and insulating pipes Electrical power for air conditioners Air-conditioning and refrigeration careers New refrigerants Electrical and electronic symbols used in schematics