Updated with chapters on ventilating and exhausting systems and HVAC systems, this third edition of a bestseller covers the range of HVAC systems. The coverages is into components and controls for air, water, heating, ventilating, and air conditioning and readers will learn why one component or system may be chosen over another. New information is included on occupancy comfort, process function, thermodynamics, heat transfer, building envelope conditioned space, heating and cooling load calculations, air duct fundamentals, water pipe fundamentals, variable flow water systems, refrigeration components, piping fundamentals, central plant water chiller optimization, and the latest heat recovery technologies.

Having trouble understanding the fundamentals of electricity? Problem solved! Electricity Demystified, Second Edition, makes it shockingly easy to learn the basic concepts. Written in a step-by-step format, this practical guide begins by covering direct current (DC), voltage, resistance, circuits, cells, and batteries. The book goes on to discuss alternating current (AC), power supplies, wire, and cable. Magnetism and electromagnetic effects are also addressed. Detailed examples and concise explanations make it easy to understand the material. End-of-chapter quizzes and a final exam help reinforce key concepts. Simple enough for a beginner, but challenging enough for an advanced student, Electricity Demystified, Second Edition, powers up your understanding of this essential subject.

Master the electrical principles and practices you need to succeed as a professional installation and service technician with this trusted guide. Accurate and easy-to-understand, ELECTRICITY FOR REFRIGERATION, HEATING AND AIR CONDITIONING, Tenth Edition, will give you a strong foundation in essential electrical theory--and help you hone real-world skills and techniques you can apply on the job. Thoroughly updated for today�s professionals, the Tenth Edition includes up-to-date information based on current trends, technology, and industry practices--including key diagnosis and troubleshooting methods--making this an ideal resource whether you�re new to the field or a current practitioner ready to update your knowledge and skills.Now available with this text is The Complete HVAC Lab Manual, which features over 250 lab exercises, covering 15 topic areas. See the supplements section for more details.

HVACR 401: HEAT PUMPS sets itself apart from other books on the market with its emphasis on the service technician perspective, instead of the design engineer viewpoint. The book begins with a review of the refrigeration cycle in comfort conditioning, and gradually progresses to more in-depth topics, including electrical schematics, maintenance, geothermal heat pumps, and troubleshooting case studies. With content that has been closely reviewed and revised in conjunction with the most respected national organizations in the HVACR industry (ACCA, PHCC, and RSES), this will prove to be a valuable learning tool that offers a wide range of critical concepts, presented in a clear, straightforward manner that facilitates comprehension and encourages you to apply the information as you learn it. Check out our app, DEWALT� Mobile Pro�. This free app is a construction calculator with integrated reference materials and access to hundreds of additional calculations as add-ons. To learn more, visit dewalt.com/mobilepro.

The HVAC Technician Passbook® prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: operation, maintenance and repair of pumps, valves, motors and other heating and electrical equipment; plans and specifications; principles of air conditioning and refrigeration; heating and ventilation systems; and other related areas.