Abstract: Refrigeration unit for produce and, in particular for fresh vegetables, characterized in that it consists of at least two boxes (22) which receive the produce to be processed and are provided with means (32, 33, 41) conveying water and/or air, which for at least one of the boxes is refrigerated, onto this produce, these boxes being in alignment and being provided with opposing lateral openings (23, 24) permitting, by means of a horizontal displacement in a single direction, the introduction of the produce to be processed into the first box, its transfer from the first box towards the second and the removal of the processed produce from the second box, the openings in these boxes being provided with closure doors (25) sliding in the plane of these openings.