PROBLEM TO BE SOLVED: To provide a greenhouse using cold heat of an ice room, and enabling the cultivation of plants at a low cost using the cold heat of an ice room which stores ice and using no fossil fuel, shipping adjustment of plants or the adjustment the sugar contents of fruits. SOLUTION: This greenhouse 1 has a greenhouse main body 2 which forms a greenhouse space, an ice room 3 which is set divided from the greenhouse main body 2 and stores ice, a main exhaust duct 4 which is extended from the inside of the greenhouse main body 2 to the ice room 3 and exhausts the greenhouse main body 2, and an intake air and exhaust mixing duct 5 which supplies, while mixing the exhaust absorbed from the greenhouse main body 2 with cold air of the ice room 3, to the greenhouse main body 2. The ice room 3 has an ice room main body 22 which forms an ice room space, a shelf 23 with a prescribed stages, set in the ice room main body 22, a plurality of water tanks 24, 24... which store ice laid on the shelf 23, and an outside air intake port 26 which is set on the upper part of the side wall 25 of the ice room main body 22. COPYRIGHT: (C)2009,JPO&INPIT
