Building Ventilation

Diagram to show grain cooling pedestal airflow in a grainstore

The Importance of adequate Building Ventilation

Many agricultural buildings have inadequate external ventilation, or none at all. This makes crop cooling systems inefficient and creates a stressful environment for livestock.

Warm air becomes trapped and circulated within the building rather than being expelled. Leaving the doors open can help the situation, but there is still no through-flow of fresh air. This also increases the security risk at remote sites and is non-compliant with quality assurance schemes since birds and vermin can enter the store.

Fresh air intake louvres should be installed so that the prevailing wind can enter through them (usually in the gable end above the door). Warm air extraction fans should be at the opposite end or side of the building (not in the same wall as the louvres)

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