VENTILATION METHOD FOR BUILDING AND VENTILATION STRUCTURE OF BUILDING

PROBLEM TO BE SOLVED: To always maintain satisfactory quality of indoor air irrespective of fluctuation of amount of pollution generation and generation place inside a building and shorten a duct pipe connected with a ventilation device as much as possible. SOLUTION: A space of the building 1 is composed of an upper story room 2, a lower story room 3, an open ceiling space 4, and an attic space 5 between the upper story room 2 and the lower story room 3. An upper story ventilation passage 6 communicating with the upper story room 2 and the open ceiling space 4 is provided, and a lower story ventilation passage 7 communicating with the lower story room 3 and the open ceiling space 4 are provided. The ventilation device 101 is composed of an air supply blower 11 and an air exhaust blower 12 and is provided in the attic space 5. By operating the ventilation device 101, outdoor air is supplied into the upper story room 2 through the air supply blower 11, and indoor air is exhausted from the lower story room 3 through the air exhaust blower 12 to form air flow in the lower story room 3, the open ceiling space 4, and the upper story room 2. COPYRIGHT: (C)2006,JPO&NCIPI