“What is the noise level in Sones or decibels for different speeds?”

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• Hello, Sones are only tested on speed 1 and the high speed, the middle speeds are not tested but they generally average out. Blower speed 1 = Sone 1 Blower speed 6 = Sone 6 Thank you for your inquiry! - Zephyr

  Answered by zephyrventilation Team 2 years ago

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