“My house is 2 floors with a total of 1350 sq. ft. If I get one of these, better to put it on the 1st. or 2nd floor?”

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• Thank you for your interest in Blueair! The Blue Pure 311i Max quickly cleans 439 sq. ft. in 12.5 minutes and 1,054 sq. ft. in 30 minutes. We recommend placing it on the floor where you spend the most time. For best results, consider having an air purifier on each floor to maintain consistent air quality throughout your home.

  Answered by Blueair Support Team 8 months ago

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• These units are desiigned for open spaces. It sounds to me that you should put one on each floor.

  Answered by JamesU 1 month ago

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• I would purchase one for each floor. What impressed me was that it's economical to run with the energy star.

  Answered by AileenN 3 months ago

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