To provide a temperature control system for a strawberry-cultivation greenhouse enabling temperature control in high accuracy.

The temperature control system for a strawberry-cultivation greenhouse is structured as follows: a flexible vinyl sheet duct 21 is set up along a green house floor surface part 20 just below an elevated bed 2 in a strawberry cultivation greenhouse 1 so that temperature-controlled air blasts out upward through an air blasting-out hole 21a bored into the flexible duct 21. The air is blasted from a position around just below each of the elevated bed 2 and thus the elevated bed 2 can be controlled in good accuracy so as to have a target temperature. The flexible duct 21 gets flatly crumpled on the greenhouse floor in a condition where the air is not supplied, but expands in a cylindrical state when the air is supplied. The system is simplified in piping work and requires less cost in comparison with that when an ordinary rigid pipe or duct is drawn around. In the system, normal supply of air to respective parts can be easily confirmed by checking the expanding condition of the duct with eyes.

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