TDS PDF

Sound Performance Rating of Outdoor Unitary Equipment. Original standard AHRI Standard 270-2015 with Addendum 1-2016 in PDF full version. Additional info + preview on request

Document status: Replaced by St AHRI Standard 270-2025 (SI I-P)

Sound Performance Rating of Outdoor Unitary Equipment. Original standard AHRI Standard 270-2025 (SI I-P) in PDF full version. Additional info + preview on request

Document status: Active

Application of Outdoor Unitary Equipment A-weighted Sound Power Ratings. Original standard AHRI Standard 275-2018 (R2023) (SI I-P) in PDF full version. Additional info + preview on request

Document status: Active

Requirements for the Qualification of Reverberation Rooms in the 63 Hz Octave Band. Original standard AHRI Standard 280-2011 (SI I-P) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Sound Rating and Sound Transmission Loss of Packaged Terminal Equipment. Original standard AHRI Standard 300-2015 (R2021) in PDF full version. Additional info + preview on request

Document status: Replaced by St AHRI Standard 300-2025 (SI I-P)

Sound Rating and Sound Transmission Loss of Packaged Terminal Air-conditioners and Heat Pumps. Original standard AHRI Standard 300-2025 (SI I-P) in PDF full version. Additional info + preview on request

Document status: Active