“How does Sharp calculate the square footage for the units? We looked at a couple of models that have different square footage (SF) of the room size and wonder what this is based on. Also, since the unit has 3 speeds, what does this mean regarding turning over the air volume in Sharp's given SF specifications? If I need more SF then recommended, can I just run longer in a day or increase from Low Speed to Max Speed? I assume that if the air quality stays the same, running at higher speeds will reduce life of filter or cleaning of filter?”

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• The max speed is pretty loud. I wouldn't have it at max speed constantly when watching a movie or trying to sleep.

  Answered by Electric 10 years ago

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• Hi Paul. Thank you for your interest in Sharp Plasmacluster Ion Air Purifiers. In order to for us to be able to provide the best possible assistance please email your contact info to us at [email protected]. We'd be happy to have one of our Advisors reach out to you. Thank you!

  Answered by Sharp Advisor 11 years ago

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