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EERE » BTO » Building America » Solution Center Home » Image Gallery » Double fan window units can have multiple operational modes; most often outdoor air will be brought in at night when outdoor conditions are cooler

Double fan window units can have multiple operational modes; most often outdoor air will be brought in at night when outdoor conditions are cooler

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Double fan window units can have multiple operational modes; most often outdoor air will be brought in at night when outdoor conditions are cooler

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Florida Solar Energy Center

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