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A centralized energy management system uses a central controller that can operate all HVAC and heater fans, ducts, and appliances. The system relies on strategically placed door and window sensors, system arming stations, and system-controlled thermostats to make energy management decisions. Central energy management systems can be set to implement intelligent energy practices such as shutting down air conditioners in rooms with open windows or shutting down heating units based on room occupancy and the status of windows/doors.
Centralized energy management systems give more control to managers concerned about the cost and use of energy. The individual responsible for the utility costs of the building can preset the system to ensure that energy use is optimized. This can help reduce a company’s utility costs and reduce its greenhouse gas emissions.