I run two extension cords from the back porch out to the pens/coops where the power strips are located. There are fans in every coop and pen. I just took these pics for youWith my coop set up, I think it'd be hard to install fans.
Do you have pictures of your fan setup?
Do you have any ideas to help cool them off in the day?
Here's a small coop with a small fan:
The rest are box fans: