To provide a housing which can keep the indoor space in equal temperature environment and humidity environment regardless of room arrangement, in itself which is high in heat insulating performance and airtight performance and is executed with heat insulation of foundation.

Air conditioning facilities 8 are installed severally in the space 5 under the first floor 5 and in the ceiling 6 of the first floor and in an attic space 7 of the second floor, and the cold/warm air 9 blown out the above air conditioning facilities 8 is taken in the indoor space 11 of the housing from a blowout port 12 at a baseboard section on indoor side facing an outside wall face and a blowout port 13 at a surrounding edge section, whereby the indoor space 11 of the housing 11 can keep uniform temperature environment and humidity environment.