I am looking at all these different coops with clear windows in them and wondering what the purpose is? Do I need windows? We're in Alabama and they will only use the coop for sleeping and laying, (I still have to add the nest boxes). My coops door remains open so they can go to bed and get up when they chose and I believe I have sufficient ventilation covered by hardware cloth. Here's my setup; https://www.backyardchickens.com/web/viewblog.php?id=28681 Should I add some windows? I'm rather confused right now.