This guy had a great idea for ventalation, just a triangle cut out with metal wirescreen at the peak, and a draft that pulls in from the first story...
https://youtu.be/H3YGdxOdxS4
looks like it would work great, and an automated door!
https://youtu.be/H3YGdxOdxS4
this is our fully automated chicken house, watch the video to see how it works. We dont have to do anything but gather eggs!! https://youtu.be/H3YGdxOdxS4
Our girls, ..Buff Orpingtons!
Automatic Door Opener I built
Eggs, eggs & more eggs ....getting...