The book explains: . The objectives to be achieved by a system in terms of environmental control. . The description of a system - including primary equipment, means of distribution, space and load determination, and operating strategy. . The basic function of components that form HVAC systems. . The layout and functioning of common HVAC systems, including all-air systems, air-water systems, and all-water systems. . The strategies for operating systems and their basic means of control. . Identifying the most suitable type of system for different types of application