If you would like some more information or ideas about keeping hens check out this article.
Chicken coop ventilation designs.
These coop plans help avoid predators giving your chickens a comfortable and cared for living environment.
Adding ventilation near the roof line in the form of vents drilled holes or small windows allows for this.
Designed for proper ventilation ventilation is important to create air flow and allows the soiled air out and fresh air in.
Ceiling mounted fans and wall mounted fans.
This is the space far above your birds heads.
Carefully designed ventilation is included in all 15 coop designs to save your chickens from diseases and overheating.
The point of coop ventilation is to get all three of them out.
Insulating your coop is a great idea as long as the chickens have adequate ventilation for getting rid of all the humidity dust carbon monoxide etc.
If your coop has access to electricity installing fans is an excellent way to add ventilation to a chicken coop.
To do that think of your coop as having three levels from top to bottom.