A bms is most common in a large building. Its core function is to manage the environment inside the facility and may carbon dioxide, Control temperature levels and humidity within a building. As a core function in most it controls, Bms systems heating and manages the, Air conditioning systems that distribute this air throughout the facility designed as example by operating fans or opening/closing dampers, And then locally controls the mixture of heating and cooling to reach the desired room temperature. A secondary function sometimes is to oversee the level of human, Generated co2, Mixing in outside air with waste air for boosting the total number of oxygen while also minimizing heat/cooling losses. Systems linked to a bms typically represent 40% pertaining to a facility s energy usage, This number approaches 70, If lighting is included%. Bms systems are a critical component to managing energy demand. Improperly configured bms systems are believed to account for 20% of building or approximately, Energy usage 8% of total energy usage in the united states.