Matching Multiple Ventilation Fans

Fans are often used to ventilate agricultural buildings. There is a fan mismatch problem that is not immediately obvious to the casual observer. Such problems may result in dpressed animal health and performance in livestock buildings, reduced human comfort in residences, contaminant exposure of products in food plants, and lower air quality in all buildings. There are ways to check whether the problem exists in ventilated buildings and this publications illustrates a few common problems and solutions.