| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilating device to ventilate a plurality of spaces, in the ventilating device situated in a room. SOLUTION: In the ventilating device provided with a passage for circulation to suck air in a room and feed the air in the room again, a passage for ventilation to suck air in the room and discharge it to the outside, a suction port different from the suction port of the passage for circulation, a passage for suction to suck air through a different suction port and feed it to the passage for ventilation, and one blower, an on-off means to regulate a quantity of suction air is situated at the suction port or the different suction port or at least one of the passages for suction.
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