The DOOR CLOSER is a mechanical device used to automatically close doors after they have been opened. It controls the speed and force with which a door closes, providing convenience, safety, and energy efficiency in various settings. These devices help to maintain temperature control within a building, contributing to energy conservation by reducing heating and cooling loss. Door closers assist in making doors more accessible, particularly for individuals with disabilities. as they can help regulate the door’s movement and make it easier to open and close.