ASSA ABLOY access controlled revolving doors are designed to handle the demands of restricted access in your facility. These doors are ideal for situations where the door needs to be secure and you get the added benefits of climate control and energy cost savings.A revolving door is “always open, always closed” meaning air exchange is minimal. Not only will your indoor climate be safeguarded against unwanted air infiltration for the comfort of your visitors and staff, you will also spend less on heating and cooling of your building.