Revolving Entrance Doors

A revolving entrance door typically consists of three or four doors that hang on a central shaft and rotate around a vertical axis within a cylindrical enclosure. Revolving entrance doors are energy efficient as they prevent drafts by acting as an airlock, thus preventing increases in the heating or cooling required for the building. At the same time, revolving doors allow large numbers of people… More

A revolving entrance door typically consists of three or four doors that hang on a central shaft and rotate around a vertical axis within a cylindrical enclosure. Revolving entrance doors are energy efficient as they prevent drafts by acting as an airlock, thus preventing increases in the heating or cooling required for the building. At the same time, revolving doors allow large numbers of people to pass through. Less