6.6288.2 Sound Ratings—New Fan Installation

Topic: 
Whole Building Ventilation
Subtopic: 
Special Considerations
Desired Outcome: 
Systems operate as quietly as possible
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 noise

Maximize 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 noise

Maximize fan use