The air inlet usually stays in a close stage, the door can be opened to a special angle
according to different seasons, the cold air go through the door panel and to the up space of the house, by mixing with warm air, it fall to the chickens.
According to different situations, the air inlet can be opened at the same time or one by one.
A good ventilation system provides the chickens with oxygen and clean air，and can keep the temperature balance.
Dust, ammonia and carbon dioxide are eliminated and water vapor is removed from the air inlet.
By means of a well designed ventilation system you are able to increase your flock capacity per house. Also it will bring a more uniform flock with fewer diseases.
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