a dehumidification device is provided to dehumidify a gaseous medium in a substantially closed space having a plurality of walls . the device includes a first element exposed to the gaseous medium , a cooling device coupled to the first element and configured to cool the first element to a temperature below ambient temperature , and a second element configured to cool the heat extracted from the first element and dissipate the heat to the surrounding environment . the second element is coupled to at least one wall of the substantially closed space . the device can include a deflecting structure configured to deflect cooled air toward the second element . the second element can be formed , at least in part , by at least a portion of a wall of the substantially closed space .