< 100 cm / 40"

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Ceiling fans with a diameter of < 100 cm / 40"

The right diameter of a ceiling fan depends on the size of the room it is to installed in. Therefore, smaller rooms need a fan in a smaller size because the amount of air that should be circulated is significantly smaller that in larger spaces. To prevent using oversized ceiling fans, many manufacturers offer a range of products with a diameter of less than 100 cm (40"). Those devices are perfect for installation in smaller rooms of up to 12m² and/or lower ceilings. Here the most common measurements sold are 75 cm (29.5") as well as 90 cm (35").

Differences between smaller and larger fans

When operating a diameter of less than 100 cm (40") differs drastically regarding the revolution speed in contrast to larger models. In order to make up for the size and to achieve a good air flow, many manufacturers go for a higher rotation speed. Therefore, fans with a smaller diameter can nevertheless be used in spaces larger than 12m² where the use of bigger devices are not suitable due to a specific architecture, e.g. low ceilings or unusually constructed rooms. Thanks to a high revolution speed smaller ceiling fans will still provide enough air flow.