|Ceiling Fan Sizes Per Room|
|Room||Room Size||Blade Size|
|Small office, powder room||Up to 50 square feet||Below 29 inches|
|Small bathroom, mudroom||50 to 75 square feet||29 to 36 inches|
|Medium bathroom, bedroom, home office||75 to 175 square feet||42 to 48 inches|
For rooms smaller than 9′ x 9′ we recommend 40″ to 48″ ceiling fans. These fans are ideal for small bedrooms, home offices, dens, and full bathrooms. For bedrooms, whisper-quiet ceiling fans are often needed.
|Room Size (In Sq. Feet)||Room Type||Recommended Blade Span|
|Under 144||Bathroom, Breakfast Nooks, Utility Rooms, Small Bedrooms, Porches||Under 42″ Fans|
|144-225||Medium Bedrooms, Kitchens, Dining Rooms, Dens, Patios||44-50″ Fans|
|225-400||Master Bedrooms, Family Rooms, TV Rooms, Small Garages, Gazebos||Fans Over 50”|
These the most commont size of ceiling fans, meaning they’re better for spaces between 144 and 300 square feet. If you want any averate sized living space to get some good ventilation, this fan size works well.
|6′ x 6′||3,000 – 4,500||24″ to 36″|
|10′ x 10′||4,000 – 5,500||37″ to 48″|
|12′ x 12′||6,200 – 7,500||49″ to 56″|
|15′ x 15′||7,000 – 9,000||60″ to 72″|
|Room Size||Blade Span|
|18 feet x 18 feet (324 square feet)||60- to 72-inches|
|25 feet x 25 feet (625 square feet)||72- to 84-inches|
|30 feet x 30 feet (900 square feet, or larger)||84- to 96-inches, or larger|
4-blade ceiling fans are less noisy and are useful in rooms with an air conditioner, to move the cool air around. They are often more stylish looking. However, 4 blade fans may move air slower than a 3 blade fan and can be more expensive than 3 blade ceiling fans.
Mini ceiling fans are designed for very small rooms or tiny areas. They are perfect for walk-in closets, nooks, bathrooms, hallways, stairwells, garages and laundry rooms. The recommended blade span for these very small ceiling fans ranges from 29″ to 36″.
|Blade Span||Good for||Room Size|
|29″ to 36″||Bathrooms, Breakfast Nooks, Utility Rooms||Up to 75 sq. ft|
|42″ to 48″||Bedrooms, Kitchens, Dining Rooms||Up to 175 sq. ft|
|52″ to 56″||Large Bedrooms, Family Rooms, Media Rooms||Up to 350 sq. ft|
|60″ or larger||Great Rooms, Other Large Spaces||More than 350 sq. ft|
Large ceiling fans that are between 52 and 56 inches work well at moving air in spaces ranging from 175 to 350 square feet. Such areas include large living rooms, cathedral-ceiling rooms, or any room with a high ceiling.
Rooms up to 75 square feet = 29 – 36 inches. Rooms 76 – 144 square feet = 36 – 42 inches. Rooms 144 – 225 square feet = 44 inches. Rooms 225 – 400 square feet = 50 – 54 inches.
144 square feet
How many square feet is a 12×12 room? The square footage of a room 12 feet wide by 12 feet long is 144 square feet. Find the square footage by multiplying the width (12 ft) by the length (12 ft).
I measured the Replacement Blades for AirrForce 42″ Hugger Style RV Ceiling Fan # 277-000398 for you and they are 16- 5/8 inches long with 4 inches wide at the bottom and 4-7/8 inches wide at the top.
As a rule, as the number of blades goes up, the fan tends to be quieter and circulates less air. Additional blades increase the drag on a ceiling fan’s motor and slow it down. This is one of the reasons why industrial fans (like wind turbines) usually have only two or three blades.
|Floor-to-Ceiling Measurement||Length of Downrod Required|
|12 feet (3.66 m)||24 inches (61 cm)|
|20 feet (6 m)||72 inches (1.82 m)|
The average bedroom size in an Australian home is around 3.2m by 3.0m, in which space we would recommend a 52″ ceiling fan. For larger than average bedrooms, up to 56″ model sizes may be suitable.
There is a common misconception that five ceiling fan blades work better than four or even three blades. Homeowners assume that five blades means better air movement, circulation, and less cooling costs, but in reality, all five blades do is add aesthetic appeal.
With the smaller blades, the fan will probably run faster at the low speed and may be noisier. You might also consider new arms with the new blades. Balance is the key, if you modify the blades by re drilling and they are not matched your likely to get some wobble or noise!
Hugger fans are ideal for rooms that have ceilings under 8 feet in height or in situations where a fan with optional light would hang down too low. Hugger fans will not move as much air as a regular fan because the blades are closer to the ceiling. Sloped mounts are used for angled or vaulted ceilings.
Determine what the distance is from the tip of the first blade to the tip of the second blade. It will measure 32 inch or smaller, 34, 36, 38, 42, 44, 46, 48, 52, 54, 56, 58, 60 or even 70 inches across. The measurement of the ceiling fan will determine how large the path of the blades will be.
You will want your new ceiling fan to hang between 8′ and 9′ above the floor, regardless of ceiling height. Most fan bodies (including mounting hardware) are 8 to 12 inches. So, whatever your ceiling height is in feet, buy a downrod that will put the top base of the fan at 10 feet.
Choosing a fan with four or five blades used to be the best way to ensure quiet operation, as more blades tend to create natural balance within the fan. This balance keeps the ceiling fan centered, causing it to produce less ambient noise than one with fewer blades.
The longer and the wider the fan blades the more air they will move. The size of the area you need to cool will help determine the size of fan to use.
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