This fully revised, updated edition illustrates how to evaluate and balance the air and water sides of any HVAC system. The third edition adds new chapters on testing and balancing clean rooms and HVAC system commissioning. The author addresses every aspect of testing, adjusting, and balancing, including all types of instruments required and specific methods to adjust constant volume, single zone, dual duct, induction, and variable air volume systems. The book provides complete details for the full scope of system components, including fans, pumps, motors, drives, and electricity, as well as for balancing devices and instrument usage. It also includes equations and useful conversion tables.