Determine Size Of Ceiling Fan Needed

For larger rooms with a square footage around 225 a 50 to 54 inch 130 to 140 cm blade.

Determine size of ceiling fan needed.

For adequate air circulation the fan blades should hang 8 inches or more from the ceiling. Leave at least 2 or 3 feet of space between the end of the fan blade to the closest wall to determine the largest size fan you can put in a room 3 feet for ceilings 9 feet or less 2 feet for higher ceilings. You will want to check your fan to ensure that its cfm rating is anywhere between 1 600 and 4 500. For rooms between 75 and 144 square feet your ceiling fan should have a diameter of 36 to 42 inches.

Use a standard measuring tape. Then measure the width of the room using the same method. For safety the bottom of the fan needs to be at least 7 feet above the floor. Conversely spaces in the home with limited ceiling to floor height think bedrooms offices breakfast nooks etc require a low profile or flushmount ceiling fan.

So for an 80 square foot bathroom with a 10 foot ceiling you ll get the best results from a fan with a rating of at least 112 cfm. Coming in at 115 cfm the broan l100mg ventilation fan. The most common method used to find the right downrod length is to take the ceiling height subtract the height of the ceiling fan most fans are between 12 and 18 inches in height depending on the fan and then subtract the desired hanging height usually eight feet. Would we then recommend a 72 fan for this room.

A room with up to 75 square feet can. Calculate the full blade span. A small 10 x 10 room could accommodate a 48 to 72 fan. In terms of sizing your ceiling fan for your bedroom there are two common size options for bedrooms.

Count the number of blades some fans have three and some have four blades. The american lighting association recommends the following guidelines for room and ceiling fan size. If it has an even number of blades measure your fan from the tip of one blade to the tip of the blade directly opposite it. For rooms 75 square feet or smaller your ceiling fan should be 36 inches 91 4 cm or less in diameter.

Extend a tape measure from one wall to the opposite wall to determine the length. Ceiling fan blades range from 29 inches to 54 inches. Begin to determine your needed ceiling fan size by calculating the square footage of the room. If you have a regular sized bedroom of 144 to 225 square feet then a medium ceiling fan with a blade span of 44 to 50 inches will be a great fit.

A room between 200 to 400 square feet will function well with a fan 50 to 72 inches in size. It s easy to measure a rectangular room to determine its square footage.