“In addition to purifying the air, my family is looking for white noise as well. Does the machine make a background noise on high? Thanks!”

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• Yes, this unit has a fan in it, so the higher the fan speed the louder the unit will be.

  Answered by GuardianTechnologies 5 years ago

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• If on highest setting, might find to be loud. This does have night mode, so does not interrupt sleep. Hope this helps

  Answered by Kittykatt 4 years ago

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