: Some users confuse this with Soneven , a popular brand known for athletic dresses and golf tops.
: Always vent to the outdoors, never into an attic or crawlspace, to avoid structural rot. Other Potential Meanings sone220 top
: Ensure you use 6-inch ducting. Using a 4-inch reducer will significantly increase noise and reduce the actual CFM. : Some users confuse this with Soneven ,
: 1.0 Sone (Roughly equivalent to the sound of a quiet refrigerator). never into an attic or crawlspace
Most standard bathroom fans operate at 50-80 CFM and often produce 3.0 to 4.0 Sones of noise (similar to a loud conversation). Upgrading to a specification offers: