My mining room currently has 30 gpu's running. Room is 1680 cubic feet. I have two windows and have purchased two of these ...
https://www.build.com/air-king-9166/s380951?uid=441363
One to pull air in and one to push air out.
On the low setting it does 2510 CFM. If you do the math it comes out to be about 89 air changes per hour on the low setting. 2510x60=150600/1680=89.64
Currently it is about 22C outdoor temp. Ambient temp of the mining room is around 38C. This is with both windows open. Mining room door shut. I have a cheap box fan in one window pulling hot air out. No fan in the other window right now. All five 6-gpu rigs have a cheap 20" box fan behind them and my gpu temps currently range between 59C and 70C.
Summer time outdoor temps sometimes reach 37C on the hottest days of the summer. Average is probably between 26-32C. Are my ventilation plans going to be sufficient? How does humidity play into it? Sometimes we have some pretty humid days during the summer here.
The other thing I've thought about is portable air conditioning, but everything I've read says that it's way more important to propertly ventilate than it is to cool the air.
