ceiling ventilation

I have raised chickens for a long time, and I have always had a standard chicken coop (hardware cloth sides, upstairs area for roosts and nest boxes, etc). However, I decided to upgrade to something bigger now that I have a much larger flock (and the fact that the old coops were practically...

Any advice on how to ventilate and where the roost bar should go?? Bought this coop used, and there was zero ventilation. For whatever reason the person who built it raised the nesting boxes. 🤷🏻‍♀️ I know ideally the roosting bar should be above the nesting boxes but if I do that then my ladies...

My DH is currently converting a playhouse he built many years ago for our daughters into my chicken coop. It is wood sided, 7.5 feet square, with 2 x 2' windows on the SE, NE, and NW sides. All windows are hinged on the side, two open towards the inside, the one by the door we changed to open...