The third edition of this practical, hands-on reference is revised and updated to provide HVAC professionals with complete guidance on the design of effective, efficient HVAC systems. Packed with over 300 clear illustrations and tables, the book reflects the latest technological and procedural developments in HVAC systems and components for residential, commercial, and industrial buildings. Readers will find details on the new refrigerants now being used in HVAC equipment--information of new concerns related to indoor air quality--and numerous applications and on-the-job insights that will be helpful in the successful design, operation, and maintenance of peak-performing systems.