Bathroom Fan Sones Chart. The loudness of these appliances is measured in sones. Any exhaust fan with a sone rating of around 1.0 is a quiet exhaust fan.
Lower frequencies seem quieter to us than the high frequencies do. Any exhaust fan with a sone rating of around 1.0 is a quiet exhaust fan. Sones as a measure take this into account, so a lower sone rating means that a fan will seem softer to us.
1 Bathroom fan sones chart
Sones As A Measure Take This Into Account, So A Lower Sone Rating Means That A Fan Will Seem Softer To Us.
Any exhaust fan with a sone rating of around 1.0 is a quiet exhaust fan. The loudness of these appliances is measured in sones.
Lower Frequencies Seem Quieter To Us Than The High Frequencies Do.