A quiet bathroom fan is 0.3 to 1.0 sones. Quiet bathroom fans make as much noise as normal breathing or whispering from a few feet away. What is a sone? A sone is a measurement of sound, similar to decibels. They are linear in that 1 sone is twice as loud as .5 sones. And 2 ...
0.3 to 1.2 sones: Whisper-quiet; you might barely notice the fan running. 1.5 to 2.5 sones: Generally comfortable for most users. 3 sones or more: Noticeably loud, which can be intrusive if the bathroom is used late at night or early in the morning. ...
A 1-sone or 2-sone rating means the range hood is fairly quiet. For instance, 1 sone is equivalent to a working refrigerator, while 2 sones is the sound of your average office setting. Even a rating as high as 8 sones isn’t exactly what one would call “loud.” It equates to th...
We will show you how tocalculate how many CFM bathroom fanyou need. To help everybody out, we have also created a‘Bathroom Fan CFM Calculator’. You simply input the size of your bathroom in square feet and ceiling height, and the calculator will dynamically determine how many CFM bathroom...
The "unit" phon has been largely replaced by the dBA (A-weighted decibel), though many old textbooks and instructors continue to use the phon. Note: "Set the volume of the radio double as loud or half as loud." Who does not know, how to do this, is a normal person. Psycho-acousti...