The advice below applies to a temperate to a cold climate. Depending on the width of the broiler house Tulderhof advises the following.

Type of poultry house Air inlet
Breeder houses, 1 nest up to 24m Flash 3300 / X-Stream / 4 Seasons / ceiling ventilation
Breeder houses, 2 nests above 24m Flash 3300 / ceiling ventilation