The sizes and associated blade spans are shown below in the table.
Ceiling fan blade length room size.
Multiply this number by 2 and you have your blade span or fan size.
Rooms 76 sq ft 144 sq ft 36 in 42 in.
If the room is 75 square feet or smaller your ceiling fan should be 36 inches or less in diameter.
If the room is larger than 400 square feet then two fans should be used for maximum performance.
For rooms larger than 20 x 20 multiple standard fans or very large room fans may be the best option.
Measure the room s length and width then multiply them together.
Use the ceiling fan size chart below to get the best idea of what size you need.
To choose the right size ceiling fan for a room you ll need to know the square footage of the room.
Ceiling fans come in a variety of sizes ranging from 30 inches for small rooms to 70 inches for larger rooms.
Rooms up to 75 sq ft 29 in 36 in.
While the table is a general guide for ceiling fan sizing based on your room s dimensions other factors for determining the best ceiling fan size for your room include the room type and layout.
A decade ago ceiling fans were pretty much only available in 42 48 and 52.
The recommended blade span for large room ceiling fans ranges from 60 to 64.
Consult energy star s fan size chart to determine the suitable blade span for your room.
To find the square foot of a room simply multiply length times width.
More importantly though you ll need to choose the right size ceiling fan according to the size of the room.
If the ceiling fan has an even number of blades 2 4 measure the distance from the tip of one blade to the tip of the blade on the opposite side to find the blade span.
Ceiling fan sizes by room.
For example a kitchen ceiling fan will be much smaller in blade diameter and length than a ceiling fan for the living room.
These large room ceiling fans are best in rooms 17 x 17 to 20 x 20.
If the room is 75 square feet or smaller select a blade span of 29 to 36 inches.
Rooms 225 sq ft 400 sq ft 50 in 54 in.
The latest trend in ceiling fans is big.
The size of the room determines the overall length of each fan blade.
Most ceiling fan sizes are also determined by the room they will be placed in.
For example a room that measures 8 feet by 8 feet is 64 square feet in size.
To get the most out of a ceiling fan you must first select the right size.
Energy star makes the following recommendations for ceiling fan diameter.
Ceiling fan size guide.
In the last several years there has been a huge influx of larger diameter residential ceiling fans hit the market and the most popular size is now the 60 ceiling fan but the latest trend is toward very large ceiling fans with blade spans over 60 even as large as 96.
Next the measurement of your room.
Rooms 144 sq ft 225 sq ft 44 in.