Why does a ceiling fan have 3 blades, not 4 or 5?
Answer:
Ceiling fans generally have 3 blades because they are considered more energy-friendly, more modern in appearance, last longer, and are quieter than other blade counts.
A three-bladed fan produces the right amount of air delivery.
It is quiet enough for nighttime use. This type of fan is stylish and perfect for many interior styles.
This home appliance is energy-efficient. A three-blade ceiling fan features a 60-degree angle between each wing.
This provides the right balance without increasing the motor drag.