“I have the HPA5300 as well as the earlier model HPA300. The 5300 covers 500SF and and the 300 covers about 450SF, other than that they are the same size and use the same filters. The 5300 emits an mild audible motor hum, the 300 does not - thoughts?”
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Our HPA5300B is so quiet that I called tech support to ensure it was operating normally. I wasn’t sure until the fan speed increased automatically when the unit picked up the aroma from nail polish remover that my wife was using about 3 ft away.
Sorry, there was a problem. Please try again later.That is very odd. There should not be any humming. Please contact our consumer relations team by emailing us at [email protected] and we will be happy to look into this. Thank you.
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