In addition, moisture from the humid environment inside the broiler house gets into the attic space and can make your insulation less effective. Make sure the static pressure controller reads zero when fans are off. If the static pressure gauge is not zeroed, inlets may not open enough to provide adequate fresh air or may open too far dumping cold air on chicks. Weather forecasters predict temperatures this winter will be in the average to slightly cooler range, and this winter may be more wet and rainy than normal. Make sure to keep litter dry both before and after spreading it in the house.
Wet litter is cold litter, and wet litter is the primary cause of ammonia problems.
If litter gets wet, dry it out by adding heat and increasing ventilation.