From humble beginnings today you can  find Dyson machines in 45 countries. The Dyson Headquarters  is home to 350 engineers, the Dyson Research, Design and Development Centre in Wiltshire was designed by architect Chris Wilkinson Engineered to reduce environmental impact, there's no air conditioning - displacement ventilation is used to blow cool air in at floor level while warm air naturally rises and is dispersed through vents in the roof.

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