This is going to sound weird, but if you trust online shopping, go to amazon.com and search "super quiet fans." I did, just to check before replying, and there are quite a few options with good reviews.
Hope this helps?
March 2007, Oct. 2007, and Jan 2012 concussions sustained in martial arts/police academy training; suffering from PCS symptoms of fatigue/exertion problems,tinnitus,dizziness, overstimulation issues, photophobia. Also suffer from PTSD.
So we do not lose heart. Though our outer nature is wasting away, our inner nature is being renewed every day.
2 Corinthians 4:16