Building Controls Technicians work with control systems that manage HVAC, lighting, and energy systems using controllers, sensors, actuators, and BMS platforms. They use diagnostic tools and software to configure and troubleshoot systems. Responsibilities include installation, calibration, monitoring, and maintenance. Work environments include commercial buildings and industrial facilities. They follow safety standards and control system protocols. Their role ensures precise system regulation, energy efficiency, and operational stability, making them essential in building automation and smart infrastructure globally.