ANSI/AHRI 270-2008 - $24.00   BUY NOW

Sound Rating of Outdoor Unitary Equipment

ANSI/AHRI 270-2008 Publication Description:

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.