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2. Editors Say These Neck Fans Kept Them Cool During the Hottest ...

   www.aol.com/8-best-wearable-air-conditioners...

   Portable Neck Fan. Civpower’s Portable Neck Fan is one of the best-reviewed and best-selling models on Amazon. The simple design features 78 air outlets and three selectable fan settings so you ...

3. These Tried-and-Tested Neck Fans Will Keep You Cool All Summer

   www.aol.com/lifestyle/tried-tested-neck-fans...

   Portable Neck Fan. For the money, this is easily one of the best value neck air conditioners we tested this year. It offers all the essential features and specs we expect, including a three-speed ...

4. Our editors' favorite personal fans to keep you cool

   www.aol.com/editors-favorite-personal-fans-keep...

   Comlife Bladeless Neck fan $ at Amazon. Torras Coolify Neck Air Conditioner. This battery-powered personal fan, which has an adjustable neckband so you can control the width for comfort, is a ...

5. Vornado Air - Wikipedia

   en.wikipedia.org/wiki/Vornado_Air

   Vornado is an American fan and home appliance brand based in Andover, Kansas, United States.The current incarnation of the company was founded in 1989, two years after the death of Ralph K. Odor (1895–1987), who founded the firm in the 1930s with Ottis A. Sutton in Wichita. [1]

6. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel).

7. Heating, ventilation, and air conditioning - Wikipedia

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

   Air-side economizers also use outside air to condition spaces, but do so using fans, ducts, dampers, and control systems to introduce and distribute cool outdoor air when appropriate. An important component of natural ventilation is air change rate or air changes per hour : the hourly rate of ventilation divided by the volume of the space.