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AHRI 921 (SI):2015+ADD 1:2020

Current

Current

The latest, up-to-date edition.

Performance Rating of Direct Expansion-Dedicated Outdoor Air System Units

Published date

01-04-2021

This standard applies to factory-assembled commercial or industrial DX-DOAS Units as defined in Section 3.

DocumentType
Standard
PublisherName
Air-Conditioning, Heating and Refrigeration Institute
Status
Current
Supersedes

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