What is Chapter 3 of the ACG Cx Guideline?

• A. Commissioning Strategy
• B. Owner Training
• C. System Integration
• D. Selecting a Commissioning Provider

Answer: (C)

The main concept tested here is how the guideline treats the coordination and functioning of multiple building systems as an integrated whole. Chapter 3 focuses on System Integration, which means looking at how HVAC, electrical, controls, sensors, data flows, and other subsystems connect, interoperate, and communicate to deliver the building’s intended performance.

This chapter is about ensuring that interfaces between systems are properly defined, that control sequences align across subsystems, and that integration testing validates that the entire system behaves as a cohesive unit rather than as isolated parts. It covers how information is exchanged, how data is named and shared, and how the integrated system is verified in practice so commissioning outcomes reflect a true, working whole.

In contrast, other topics referenced by the other options—such as the overall commissioning approach and schedule, training for the building owner, or the process of selecting a commissioning provider—address different aspects of the project. They’re important, but they don’t focus on the technical coordination and validation of how multiple systems operate together, which is the core idea of System Integration.