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

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

   This portable neck air conditioner/neck fan boasts 78 total air outlets with three fan speeds for serious airflow. Our test panel found that the airflow and cooling effect were better than most in ...

3. The 11 Best Gas Patio Heaters for Outdoor Entertaining - AOL

   www.aol.com/9-best-gas-patio-heaters-191700923.html

   38,500 BTU Portable Patio Heater. The classic design of most patio heaters spreads heat widely in a radius around the center of the heater which can be an inefficient method depending on where you ...

4. 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).

5. Fan heater - Wikipedia

   en.wikipedia.org/wiki/Fan_heater

   Portable fan heater A Japanese kerosene fan heater that burns kerosene for fuel. It contains an electric fan and computer controls. Electric fan heater. A fan heater, also called a blow heater, is a heater that works by using a fan to pass air over a heat source (e.g. a heating element). [1]

6. Fan (machine) - Wikipedia

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

   A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

7. Convection heater - Wikipedia

   en.wikipedia.org/wiki/Convection_heater

   This model consisted of three stoves and was considered to be a highly efficient radiant type of gas heater at the time. It utilized radiant heat, and supplemented its power by drawing cold air through the facing, heating it, and forcing it out through the register. This allowed air circulation while maintaining a cool exterior on the appliance.