National Aeronautics and Space Administration

Lights Out

I suggest you...save money and conserve energy by using less lights in all government buildings during the daylight hours. Most government facilities have motion detectors for offices and hallways that only power down the lights when there is no movement detected, however, just becuase someone is physically present in an office building doesnt mean their location requires the use of overhead lighting. Most buildings with windows have more than adequate natural sunlight during day for hallways, main corridors, break rooms, etc., without the additional need for overhead lighting during day time hours. Putting light sensors in hallways and offices as a compliment to the already installed motion sensors could allow the government to save substantial money on energy costs annually.

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Idea No. 3633