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2. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Air naturally stratifies, i.e. warmer air rises to the ceiling while cooler air sinks, meaning that colder air settles near the floor where people spend most of their time. A ceiling fan, with its direction of rotation set so that the warmer air on the ceiling is pushed down along the walls and into the room, heating the cooler air.

3. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   A ceiling fan is a fan suspended from the ceiling of a room. Most ceiling fans rotate at relatively low speeds and do not have blade guards because they are inaccessible and unwieldy. Ceiling fans are used in both residential and industrial/commercial settings.

4. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   In summer, ceiling fans and table/floor fans circulate air within a room for the purpose of reducing the perceived temperature by increasing evaporation of perspiration on the skin of the occupants. Because hot air rises, ceiling fans may be used to keep a room warmer in the winter by circulating the warm stratified air from the ceiling to the ...

5. Casablanca Fan Company - Wikipedia

   en.wikipedia.org/wiki/Casablanca_Fan_Company

   In 1979, Casablanca introduced their Silent-Flex flywheel to replace the milled-aluminum flywheels they had been using prior. The Silent-Flex flywheel was a double-torus made of soft rubber with die-cast zinc reinforcements that acted as a shock absorber to virtually eliminate the transmission of vibration and noise from the fan's motor to the blades.

6. Fan - Wikipedia

   en.wikipedia.org/wiki/Fan

   Fan commonly refers to: . Fan (machine), a machine for producing airflow, often used for cooling Hand fan, an implement held and waved by hand to move air for cooling; Fan (person), short for fanatic; an enthusiast or supporter, especially with regard to entertainment

7. Punkah - Wikipedia

   en.wikipedia.org/wiki/Punkah

   These small handheld devices are still used by millions when ceiling fans stop working during frequent power outages. In the colonial age, the word came to be used in British India and elsewhere in the tropical and subtropical world for a large swinging fan, fixed to the ceiling, pulled by a punkah wallah during hot weather. [ 1 ]

8. High-volume low-speed fan - Wikipedia

   en.wikipedia.org/wiki/High-volume_low-speed_fan

   Larger diameter fans can move more air than smaller fans at the same speed. A turbulent, high velocity air jet dissipates very quickly. A large column of air, however, "travels" farther than a small one due to the friction between moving air and stationary air, which occurs at the periphery of the moving column.

9. Category:Ventilation fans - Wikipedia

   en.wikipedia.org/wiki/Category:Ventilation_fans

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