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
