Sears Knowledge Center

What is the Sones Rating?

The sones rating applies to any appliance with an exhaust fan and is a measurement of how sound is perceived by the listener. The lower the sones rating, the quieter the appliance. One sone is equivalent to the quiet humming of a refrigerator, whereas a 4-sone rating would interfere with conversation among a group of people standing close by. If having a quiet appliance is a top priority, you should choose a microwave or range hood with a low sones rating.

Benefit of a low sones rating

  • Using the exhaust fan won't interfere with conversation or any other household activities

Appliances that feature sones ratings

  • Microwaves
  • Range hoods
  • Down drafts
  • Bathroom exhaust fans

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