Mechanical ventilating fan was invented in China circa 180 CE. It was a rotary ceiling fan meant to draw cool air upward into the room. Power was provided by servants turning a crank. A water-powered ventilating fan was invented by Leonardo da Vinci in 1500, and a similar device was used in England in 1533 to provide ventilation for a mine.
Leonardo da Vinci
- Leonardo da Vinci – Wikipedia
Leonardo di ser Piero da Vinci (Italian: [leoˈnardo di ˌsɛr ˈpjɛːro da (v)ˈvintʃi] ( listen); 15 April 1452 – 2 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
- Georgia Cooling: Leonardo Da Vinci’s Place In HVAC History(via the Wayback Machine)
It’s always been hot. And people have always tried to figure out a way to keep cool. Some worked, some didn’t. Some were considered silly and too crazy to work.
- A short history of mechanical fans – The Worshipful Company of » Fan …
Leonardo da Vinci (1452 – 1519) made use of fans in two of his designs, the power for one being the use of hot rising currents of air, and the other by clockwork with a falling weight regulated by a fly.