AHRI 270-2015

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Sound Rating of Outdoor Unitary Equipment (with Addendum 1)

This standard establishes for the outdoor sections of air-conditioning and heat pump equipment of less than 135,000 Btuh, sound ratings in terms of a derived tone corrected A-weighted sound power level, in decibels.

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Air-Conditioning and Refrigeration Institute [ari]

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Sound Rating of Outdoor Unitary Equipment (with Addendum 1)

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AHRI 270-2015

Sound Rating of Outdoor Unitary Equipment (with Addendum 1)

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