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History of ventilation: enhancing chimney draft!
News
October 13, 2015

History of ventilation: enhancing chimney draft!

In 12th century  the “dancers” started to be used to enhance chimney draft. The dancer was placed usually at the top of the chimney. It was a hood that was twisted by the wind so that the smoke outlet always ended up on the leeward side, which created a stronger draft from chimney when passers wind drew the chimney smoke.

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