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23 gru 2023 · Fan sones and CFM are probably the two biggest ratings for bathroom exhaust fans. While the sone measures the loudness of the vent fan, CFM measures the fan speed or power. CFM stands for cubic feet per minute which basically means how fast the bath fan exhausts or moves air.
Typical bath fans range anywhere from <0.3 sones to 6.0 sones. Below is a chart detailing what sound level you can expect out of a certain sone level: <0.3 sones: This is the lowest possible sone rating for a ventilation fan.
26 sie 2021 · Bathroom fans range from 0.3 sones to as high as 6.0 sones. For a quiet fan, look for a sone rating of less than 1.0. When you buy a new fan for your bathroom, you’ll need to look at many factors, including the size of your bathroom .
In the list below (complete with spec-by-spec comparison table) you will find the quietest bathroom fans with below 0.9 sones (26.5 dB). Now, if you want the best quiet bathroom exhaust fan, checking the noise levels is not enough. Low noise levels are worth nothing if the bathroom fan has other issues.
A sone is a measurement of sound in terms of comfortable hearing level for an average listener. The lower the sone value, the more comfortable the listening environment. Sones are not decibels or volume, but rather how sound is "sensed".
23 maj 2022 · Sones are the industry standard noise measurement for fans. Almost every range hood and bathroom fan mentions its sone rating. Bathroom fans range from 0.3 to 4.0 sones.
4 lip 2023 · When it comes to bath fans, a recommended maximum sone level is usually around 2 sones – that’s the level at which a fan can still qualify to be ENERGY STAR ® approved. On the other hand, kitchen fans can have a slightly higher level, due to their specific usage; so, their recommended sone level is 6-7 , which is about 600 cfm.
