But have you ever wondered the reason behind this?

In India, the fans usually have 3 blades, while in the US and colder areas fans have 4 or 5 blades. This is not for giving a design to a fan but there’s a strong logic behind this.

In the US, the aim of a ceiling fan is to supplement the air-conditioner. A fan with 4 or more blades is slower than the one with 3 blades and hence, serves the purpose of keeping air circulation in the room.  



However, in India a fan is used as a stand-alone appliance to create a cooling effect. Being lighter, the fan operates at a higher speed and is energy efficient too.

 

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