Revolving doors can be up to eight times more energy-efficient than their hinged counterparts—all while allowing large numbers of people to pass in and out, boosting security, and adding architectural interest.
Until recently, cold Toronto winds interfered with Mt. Sinai Hospital’s healing environment due to heavy foot traffic in a three-entrance public corridor on the main floor. A revolving door system provided the solution
Revolving doors have been manufactured for over a century. Theophilus Van Kannel was granted U.S. patent 387,571 on August 7, 1888 for a “Storm-door Structure” that was a three-partition revolving door. Since then, their general benefits have remained the same—creating comfort, saving energy, improving traffic flow, and enhancing security.