Yes, it’s true. While I was waiting for a TransBay bus near Civic Center at 2 am a couple weeks ago (not something I do often), I was thinking about energy efficiency.
I took the following (terrible) cell phone photo of the Federal Building from Market Street:
And I wondered, “Why are all those lights on?”
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There are a number of reasons that entire floors of lights might be on in a building in the middle of the night. Reasons could include:
- Cleaning crews come in after workers leave and turn all the lights on a floor on
- A few folks are working really, really late and can only control large areas of lights
- Sensors or timers that turn off the lights are not functioning properly
- Nobody knows how to turn off the lights
But the San Francisco Federal Building is touted as a high-performance low-energy building. And someone else has previously noticed lights on late at night. So what’s going on?
I’m going to see what I can find out in the next week or two and will write a follow-up post.
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