In architecture, an airshaft is a small, vertical space within a tall building which permits ventilation of the building's interior spaces to the outside. The floor plan of a building with an airshaft is often described as a "square donut" shape. Alternatively, an airshaft may be formed between two adjacent buildings. Windows on the interior side of the donut allow air from the building to be exhausted into the shaft, and, depending on the height and width of the shaft, may also allow extra sunlight inside.
Media related to Ventilation shafts at Wikimedia Commons
- Design and construction of a surface air cooling and refrigeration installation at a South African mine, a paper presented at the North American Mine Ventilation Symposium 2008
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