Taking the mystery out of HVAC DDC, The Fundamentals of HVAC Direct Digital Control provides a simple approach to the practical design of HVAC DDC systems, enabling the reader to understand and design various types of control solutions for the most commonly used HVAC systems. The book addresses the networking of DDC systems, reviews open DDC systems that allow for future expansion and interoperability, and emphasizes the critical do’s and don’ts and accepted rule-of-thumb checks in HVAC control design. It is also a fundamental resource in preparation for the mechanical professional engineering examination.