The mechanical, electrical, and plumbing (MEP) systems of a building, such as the heating, ventilation, and air conditioning (HVAC), lighting, and security, are managed and monitored by a centralized control system called a building management system (BMS), also referred to as a building automation system (BAS). BMSs gather and analyses data from various building systems and then modify them in accordance with predetermined parameters and intended results using sensors, controls, and software. These solutions can aid building managers and owners in lowering energy usage, maximizing building performance, and enhancing occupant safety and comfort. Sensors, controllers, a user interface, and communication networks are among the common parts of the BMS. Temperature, humidity, and occupancy data are collected by the sensors from various building systems, and they are sent to the controllers. The building systems are then adjusted as necessary using the results of the controllers’ analysis of this data. Building operators may monitor and manage the BMS through the user interface, which also gives them real-time data and warnings concerning the building’s systems. In order to offer a complete picture of the building’s performance and operations, communication networks allow the BMS to interact with other building systems, such as fire alarms and lifts. In general, a BMS is an effective instrument that can assist building owners and managers in increasing energy efficiency, lowering operating expenses, and improving the comfort and safety of building occupants.