Provided is an environment control housewhich can have improved strength by employing a multifaceted structure. The environment controlled greenhousecomprises: a main body portionand a pair of wall portions, wherein the main body portioncomprises: a top surface portionformed into a rectangular shape and disposed at the topmost portion; a pair of rectangular upper skirt surface portionsconnectedly installed to respective edges in the transverse direction of the top surface portionand a pair of rectangular lower skirt surface portionsconnectedly installed to an edge in the installation direction of the respective upper skirt surface portionsand disposed in a sloped manner with respect to an installation surfaceand wherein each of the wall portionscomprises: a center wall surface portionconnectedly installed to the edge in the longitudinal direction of the top surface portiona pair of middle wall surface portionsconnectedly installed to respective edges in the transverse direction of the center wall surface portionand to the edge in the longitudinal direction of the upper skirt surface portionand a pair of side wall surface portionsconnectedly installed to an edge in the transverse direction of the respective middle wall surface portionsand to an edge in the longitudinal direction of the respective lower skirt surface portions提供一種藉由採用多面構造而可提高強度的環境控制屋1。係包括本體部10與一對壁部20之環境控制屋1,本體部10係包括:頂面部101,係形成矩形,並被配置於最頂部;一對矩形之上方端面部102,係分別與頂面部101之寬度方向的兩端緣連設;以及一對矩形之下方端面部103,係分別與上方端面部102之連設方向的端緣連設,並被配置成對設置面L傾斜;各個壁部20係包括:中央壁面部210,係與頂面部101之長度方向的端緣連設;一對中間壁面部220,係分別與中央壁面部210之寬度方向的兩端緣連設,且與上方端面部102之長度方向的端緣連設;以及一對側方壁面部230,係分別與中間壁面部220之寬度方向的端緣連設,且分別與下方端面部103之長度方向的端緣連設。