Alex’s Cool Product of the Week: Boon Edam’s Power-Generating Revolving Door

All right, I’ll admit it. The fact that the Netherlands-based revolving-door manufacturer Boon Edam has a model that uses human power to generate electricity is mostly a gimmick. By entering or leaving through the NRG+ Tourniket, a generator built into the revolving door mechanism powers three LED spotlights in the ceiling of the door.

But if it’s a gimmick, it’s a great one–if it gets more people to use revolving doors instead of standard hinged doors in commercial buildings.

We don’t often think about revolving doors, but they can save huge amounts of energy and money in commercial buildings. They save energy because they dramatically reduce the inflow of unconditioned outside air when people enter a building.
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