 There's a fire code reason for that. When these fans shut off, there's also a damper door on the inside and you'll hear it go thump, thump as the two sides of it close. And when you turn it on, it opens up and the air goes out. So it's not something that you can have turn on every morning at 6 a.m. or whatever, but it's one of those things when you get up in the morning and