Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

How does a revolving door prevent drafts and reduce heating & cooling costs?

April 26, 2017cooling costs door drafts heating reduce revolving

0

Posted

How does a revolving door prevent drafts and reduce heating & cooling costs?

1 Answer

0

Posted

A. Because at least two wings of a revolving door always contact the circle enclosure wall – a revolving door is always closed, yet always open too. A draft cannot be created through a revolving door entrance. With each person going through a revolving door only about 26 cubic feet of air is admitted.