| 摘要 |
<p>Building ventilation system, comprising a ventilation unit (4) mainly in the top area of the building, arranged for exchanging the air inside and outside the building, a central room (6), e.g. a stairwell or hall, via which several other rooms can be entered via inner doors; and ventilation means (8) in at least part of inner doors arranged to enable air to move from the central room to the relevant other room or vice versa. Preferably, the ventilation means are at least partially constituted by fans arranged to force air to move from and to the central room. Means (10) may be provided for setting climate parameters, measuring climate variables and controlling the speed and/or direction of the inner door ventilators.</p> |
