Outdoor ventilated enclosure

An outdoor ventilated enclosure for housing and protecting a transformer, the enclosure comprising:

• a plurality of walls defining a cavity therein to receive the transformer;
• and a louvered panel assembly coupled to the plurality of walls and defining a fluid flow path through the wall to the cavity, the louvered panel assembly comprising:
• a first louvered panel having a first plurality of louvers extending outwardly and downwardly away from a first plate, the first plate extending approximately parallel to the wall;
• a second louvered panel coupled to and positioned inward from the first louvered panel, the second louvered panel having a second plurality of louvers extending downwardly and inwardly away from a second plate toward the cavity, the second plate extending approximately parallel to the first plate;
• and a third louvered panel coupled to and positioned inward from the second louvered panel, the third louvered panel having a third plurality of louvers extending upwardly and inwardly away from a third plate, toward the cavity, the third plate extending approximately parallel to the second plate, a secondary filter is positioned between the second plate and the third plate, and wherein the secondary filter is positioned proximate the third plate and spaced apart from the second plate.