As the name would suggest they basically double up on the blades which are of course carefully aligned.
Fan with two blades.
If you are looking for a gentle breeze you might consider a fan with more blades like the stella fan.
Led indoor outdoor automotive silver 2 blade smart ceiling fan with 3000k light kit and wall control.
Morpheus ii 60 in.
This bold design utilizes separate fans on two sides offering a smaller profile but maximum circulation of the air thanks to its unusual profile.
A fan with lesser blades usually turns faster with a stronger motor creating a greater wind chill effect.
A calm cool ambiance can be created outdoors by the breeze from an outdoor ceiling fan with light kit.
Morpheus ii 60 in.
With four blades and a 12 degree pitch it is still effective at cooling your room with an aesthetically pleasing design.
This style won t spin around in a circle but instead houses smaller spinning fans on either end.
Some manufacturers prefer these to a standard single blade.
The motors can then be adjusted to turn the blades vertical at an angle and sometimes even parallel with the floor.
Monte carlo maverick 70 in matte black indoor outdoor downrod ceiling fan with remote 3 blade item 1268770.
Double motor ceiling fans.
Some fans also use double blades.
Achieve exceptional circulation with two blade ceiling fans that use full fans on each end.
Double ceiling fans have blades on each head that face opposite directions and generally oscillates to help maximize air flow.
Kichler 56 in satin black indoor downrod ceiling fan with remote 2 blade item 747613.
Ceiling fans with dual motors are designed by connecting two motors together using a sturdy horizontal bar.
Morpheus ii indoor outdoor 2 blade smart ceiling fan 60in carbon fiber with 3000k led light kit and wall control works with ios android alexa google assistant samsung smartthings and ecobee.