___ is the use of automation and controls systems to monitor and control building wide systems.

• A. LEED
• B. Building controls
• C. Building engineering
• D. Building automation

Answer: (D)

Building automation is the use of automation and control systems to monitor and control building-wide systems. It centralizes the management of HVAC, lighting, security, energy management, and other subsystems through a network of sensors, controllers, and actuators, enabling coordinated, efficient operation, real-time monitoring, and fault detection. This describes the concept most precisely, since it specifically refers to automated control across the whole building. LEED relates to certification for sustainability, not the automatic control of systems. Building controls can be part of building automation but is a broader, less precise term. Building engineering covers design and analysis of building systems, not the automated, integrated control aspect. A practical example is a building automation system adjusting cooling based on occupancy and time of day, dimming lights in unused spaces, and alerting maintenance when equipment performance drifts.