| 摘要 |
PROBLEM TO BE SOLVED: To provide a central ventilator which can ventilate all the corners of a room. SOLUTION: When a floor of a building is ventilated by means of a ventilation unit body 21 installed independently on each floor, an opening 43 made in the vicinity of the outer circumferential periphery of a building is coupled with piping 41 extending from a ventilation unit body 20. The ventilation unit body 21 is installed above an opening made on the inside of the building and interconnecting the inside of the ventilation unit body 21 with the indoor space. Each room is ventilated by supplying air from one of the opening 43 in the vicinity of the outer circumferential periphery or the opening on the inside and sucking the air from the other opening. |
