PROBLEM TO BE SOLVED: To optimize indoor environment in a cultivation greenhouse.SOLUTION: The greenhouse cultivation facility comprises: cultivated field 10; a house part 20 covering the cultivated field 10; an organic matter storing section 30 in which organic matters are deposited to store them; and a ventilation pipe 40 releasing fermentation heat and/or carbon dioxide generated by the organic matter storing section 30 into the house part 20. A water pipe 60 is arranged on a sidewall 21 of the house part 20. Water, as a heating medium for exchanging heat with the air in the house part, flows through the water pipe 60.