Hoods Are calculated in Sones, not decibels. A lower Sone rating suggests a quieter lover. Check out to find a hood rated at three.0 Sones or decreased, particularly if your kitchen is close to your dwelling area. A: A vented hood pushes dirty air exterior by way of a duct. https://www.ciarraappliances.com/blogs/news/integrated-cooker-extractor-fan