What fan size is right for my room?

The Isotope ceiling fan from Casablanca.

To get maximum comfort and energy savings, it is necessary to choose the correct size fan for a room. Blade span is the key. A fan that is too small or too big for your room may look awkward. A fan that is too small probably will not move enough air and a fan that is too big might overpower the room. FanShack recommends the following:

Large Rooms - For rooms up to 225 square feet (15' x 15') and larger, use a fan with a blade span of 50", 52", 54", or 56".
Medium Room - In rooms up to 144 square feet (12' x 12') we recommend fans with blade spans of 42" or 44".
Small Rooms - Rooms up to 64 square feet (8' x 8') should use a fan with a 32" blade span.


For Rooms Blade Span
64 sq. ft 32"
144 sq. ft 42"
225 sq. ft 44"
400 sq. ft 52"

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