| 摘要 |
PURPOSE: A multi booth is provided to heat and cool every space while blocking noise by comprising a boundary unit including a soundproof ventilation device inside a booth. CONSTITUTION: A multi booth comprises a booth (1), a boundary unit (100), and an inclination plate (200). The booth comprises a first space unit (2) and a second space unit (3) in which each inlet is formed. The boundary unit blocks the first and second space units and comprises one or more soundproof ventilation devices. The soundproof ventilation device comprises a casing, a rotary shaft, and a rotary blade.
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