Measure the room’s length and width, then multiply them together. If the room is 75 square feet or smaller, your ceiling fan should be 36 inches or less in diameter. For rooms between 75 and 144 square feet, choose a ceiling fan with a diameter of 36 to 42 inches.Click to see full answer. People also ask, can a ceiling fan be too big for a room?Ceiling fans are sometimes looked over when decorating a home. Besides of freshening a room, fans complete a room design and composition. A ceiling fan that’s too big will overpower the room’s design and visually pull the ceiling downwards; a fan that’s too small won’t properly circulate the air.Additionally, does ceiling fan blade size matter? Blade Span The most common ceiling fan blade spans are 52 and 42 inches. Shorter blades offer more direct airflow and are ideal for smaller rooms. The volume of air is not determined by blade span, but by the motor. A motor with smaller blades will move a greater quantity of air than the same motor with larger blades. Also asked, how do you calculate number of fans in a room? In case of bigger areas like hall, the number of fans can be found by dividing the total area of the room by the area of a single fan.How long are the blades on a 52 inch ceiling fan?Most replacement 52″ blades are around 20.5″ inches in length. Reason why is that when the blades and fan are installed, the 52″ are the final width of the fixture. It’s like measuring the wingspan of a bird, the body is included. As for the smaller 42″ size, these blades are typically is 16.5″ in length.

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