Going in Circles

As the Beinecke Library wraps-up its roof renovation patrons and staff will no longer circle the building for an entrance, and, we’ll be back to using the revolving door.  This is good news from a green perspective, as folks over at MIT have determined:  “On average 8x as much air is exchanged when a swing door is opened as opposed to a revolving door. That’s 8x as much new air that needs to be heated or cooled and that’s why using the revolving door is a great way to reduce energy requirements on campus.”


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