Ive seen people build sound deadening boxes around fans to hold down the noise too. Also use insulated ducting if you can.

Good Luck.
doco Reviewed by doco on . Apartment dwelling and Stealth Cab Questions? Here's my pickle... I live in an apartment building where the super/management find a different reason to enter the premises about every 2 months. In my year and a half living here we've had at least 6 "annual" fire inspections, among other excuses. Now, I've read through alot of logs and in general my focus is on sound/air/light proofing, and odor control. Weather or not my plants succeed is not that important on my first run. Stealth is paramount. I've toiled the idea of lining the cab Rating: 5