STORAGE HOUSE

PROBLEM TO BE SOLVED: To prevent the backflow of defrosting water.SOLUTION: A storage house 10 includes a cooling duct 24 for collecting defrosting water flowing down from a cooler 22 and draining the defrosting water via a drain part 30 into a drain channel 32 provided in a box 12. The drain part 30 includes a drain distribution portion 72 formed smaller than the opening cross section of the drain channel 32, and inserted through the side of a storage chamber 18 into the drain channel 32 where the defrosting water distributes, and a restricting piece 74 formed extending downward of the lower face of the drain distribution portion 72 to restrict the position of the drain distribution portion 72 so as to be distant from the inner bottom face of the drain channel 32.