• Shopping Cart
    There are no items in your cart

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

Sorry this product is not available in your region.

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

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.