The air damperis also known as mechanical device or chimney which isgenerally placed across the device in order to regulate air flow. Major function of thisdamper is prevention of water during unfavourable environmental condition. This air damper system can function automatically or manually. Automatic air dampers are utilised to regulate the airflow on a continuous basis in a closed space, whereas manual air dampers are turned around using grip on the outside of the channel. It is also operated by electric motors, that is controlled by a thermostat or an automation system.