An automatic vent controller is a device designed to open or close a vent automatically when the level of temperature or humidity in a room exceeds a certain level as preselected by the user. The automated vent controllers are sensitive to changes in the room temperature, and can be used to automatically open or close cold frames lids or green house windows. It works all day long and enhances a conducive balance if air inside a house.
Through an actuator the windows are able to open and close automatically or by a rotator handle. The hard ware is fitted onto the window and tends to push and pull the window open and closed rather than doing it manually. This automatic closure or opening of windows provides a low cost alternative to the existing heating and cooling systems found in most houses. The automated system provides extra fresh air that supplements the air brought forth by the existing system. With window automation, one can decide to use the system as his main ventilation system or together with the existing system.