FavoritePlease sign in to add this to your favorites. Topic: Whole Building Ventilation Subtopic: Special Considerations Desired Outcome: Systems operate as quietly as possible Manufactured HousingPrintCopy to ExcelEmail TitleSpecification(s)Objective(s) 6.6288.2a Primary ventilation system/continuously operating fan System will be rated at a sound no greater than 1.0 sone Minimize noiseMaximize fan use 6.6288.2b Intermittent spot ventilation system Spot ventilation (local mechanical exhaust systems operated as needed by the occupant; e.g., range hood, bath fans) will be rated at a sound no greater than 3.0 sone Minimize noiseMaximize fan use Previous Detail Next Detail Back to 6.6288 Special Considerations Back to Top