hellobeautifulcreatures

A vent fan works hard to remove moisture, odor, and mold spores. But eventually, it wears out. The signs? Your mirror is foggy, mold creeps into your shower stall, or the fan roars like a coffee grinder. New fans are quieter and more effective than ever—and they are relatively easy to install. Our how-to instructions make it easy to replace your old vent and get your bathroom up and running again.  Before You Begin: How to Buy a Fan When choosing a fan, make sure it meets the cubic feet per minute (cfm) capacity for your bathroom. To find your bath's cfm, measure the floor area and multiply by 1.1 for an 8-foot ceiling, 1.25 for a 9-foot ceiling, or 1.5 for a cathedral ceiling. For example, an 8×10-foot bath with an 8-foot ceiling needs a fan rated for 88 cfm or more (80×1.1=88). Also consider the sone number, a measurement of sound volume. The lower the sone level, the quieter your fan will be. For reference, a refrigerator produces about one sone, while ambient office noise is ...