i live in hot country. i have been whining about the temps in the 50s w/a cold wind. reality hit me today though (in 80s) that i need to adjust the coop for better heat ventilation. the coop is built inside a hoop house in one corner. the human door into the coop is solid on the bottom. i'm going to remove that section & replace w/hardware cloth. the top nest boxes are too high for my girls & are never used. therefore, i'm going to remove the lid access (from the outside collecting eggs w/o going inside the coop) to these top nest boxes & replace w/ hardware cloth framed so it will allow more air to move through on hot nights. the exterior wall has a 1 ft square hole cut out for increased ventilation. i'm going to greatly increase that opening, cover w/hardware cloth. during winter i can put a piece of plywood over it to cut down on drafts. hoping my girls & big boy will be better this summer, than last.