A box fan with three speeds and a cfm rating between 2 000 and 2 500 will likely cost you between 25 and 35.
Box fan cfm comparison.
It can reach 24000 cfm.
For a 20 box fan the cfm can range from around 1000 cfm up to 2500 cfm.
For the most part cfm in a box fan does not differ all that significantly and may range from around 900cfm to 2500 cfm.
With all that said the difference 1000 cfm will make will be significant so it is wise to decide how powerful you want your fan to be before you buy.
The hurricane box fan 20 inch has multiple speed settings.
It requires low voltage input for high power output.
The airflow produced by a fan is typically given in cubic feet per minute cfm.
Box fan cfm can vary depending of the size of the fan.
Hurricane box fan s simple design makes it durable and easy to maintain.
Below we list the top box fans cfm.
The most powerful box fan available is the lasko 3723 which has 2500 cfm.
It is compact and easy to carry for outdoor events.
Different fans will create more or less air movement based on how powerful they are.
This represents the volume of air flowing by a given point every minute.
For a fan such as this expect to pay between 35 and 60.
And if cost is not a factor you may be interested in a fan with a cfm rating over 2 500.
In comparison to other ceiling fans in this price range brightwatts offers an extremely efficient ceiling fan that uses only 17 watts versus 65 watts from other manufacturers.
It has a 360 degree adjustable tilt.