Determine Size Of Ceiling Fan Needed

Count the number of blades some fans have three and some have four blades.

Determine size of ceiling fan needed.

For safety the bottom of the fan needs to be at least 7 feet above the floor. Ceiling fan blades range from 29 inches to 54 inches. 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. A room with up to 75 square feet can.

In terms of sizing your ceiling fan for your bedroom there are two common size options for bedrooms. 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. Use a standard measuring tape. It s easy to measure a rectangular room to determine its square footage.

For adequate air circulation the fan blades should hang 8 inches or more from the ceiling. For rooms 75 square feet or smaller your ceiling fan should be 36 inches 91 4 cm or less in diameter. The american lighting association recommends the following guidelines for room and ceiling fan size. 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.

Would we then recommend a 72 fan for this room. 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. For rooms between 75 and 144 square feet your ceiling fan should have a diameter of 36 to 42 inches. Begin to determine your needed ceiling fan size by calculating the square footage of the room.

For larger rooms with a square footage around 225 a 50 to 54 inch 130 to 140 cm blade. Step 2 determine ceiling height how far down your ceiling fan hangs depends on the height of your room. Then measure the width of the room using the same method. You will want to check your fan to ensure that its cfm rating is anywhere between 1 600 and 4 500.

For rooms larger than 400 square feet consider installing two ceiling fans optimal distance apart for best results. A room between 200 to 400 square feet will function well with a fan 50 to 72 inches in size. If it has an odd. Calculate the full blade span.

A small 10 x 10 room could accommodate a 48 to 72 fan. Extend a tape measure from one wall to the opposite wall to determine the length.