Ceiling fans are considered the most effective of these types of fans, because they effectively circulate the air in a room to create a draft throughout the room.
A ceiling fan is a fan mounted on the ceiling of a room or space, usually electrically powered, that uses hub-mounted rotating blades to circulate air. They cool people effectively by increasing air speed.
Unlike air conditioners, ceiling fans don't actually lower the temperature in a room. Instead, they offer a "wind chill effect" that helps you feel cool from the breeze brushing against your skin. Keep in mind that ceiling fans are designed to cool people, not rooms.
And these are of three different forms, thus the short, medium and long blades.
And also of different brands such
1 Bajaj
2 Elbee
3 Swift
4 Crompton etc
You purchase your brand new quality celling fans from