Building automation and control systems are computer-based control systems deployed in large buildings for efficient energy management. They control and manage building facilities such as lighting, electricity, fire precautions, safety, security, and HVAC. They are installed in industrial facilities, commercial buildings, IT parks, hotels, restaurants, manufacturing plants, retail outlets, and residential buildings for effective facility management. The control system enables easy automation and management of buildings for better cost savings and improved performance. Building automation and control systems include sensors, smart equipment, routers, and software.