Sone 414
But the emergency kill switch was already depressed. The frequency continued.
Misreading acoustic data leads to costly mistakes. Many online forums contain threads where a user asks, "My range hood says 414 sones, is that quiet?" sone 414
If a range hood is rated at , it is roughly twice as loud as a standard library (2.0 sones), making it acceptable for a commercial kitchen but far too loud for an open-plan living room. But the emergency kill switch was already depressed
