A Building Management System (BMS), also known as a Building Automation System (BAS), is a sophisticated technology that plays a pivotal role in the efficient operation and maintenance of modern buildings. It serves as the nerve center of a building, seamlessly integrating various systems, including HVAC (Heating, Ventilation, and Air Conditioning), lighting, security, and more. BMS allows for centralized control, monitoring, and automation of these systems, optimizing energy usage, comfort, and safety. With the ability to collect and analyze data, BMS helps facility managers make informed decisions to improve building performance, reduce operational costs, and enhance occupant satisfaction. In today's era of sustainability and smart buildings, BMS is an essential tool for achieving energy efficiency and environmental goals, making it an indispensable component in the management and operation of commercial, industrial, and residential structures.