Standards Under Public Review

The below drafts of BSR/AHRI Standard 1250-202x (I-P) and BSR/AHRI Standard 1251-202x (SI), Performance Rating of Walk-in Coolers and Freezers, each are open for public review April 18, 2025 through June 2, 2025.

The purpose of this public review is to solicit technical comments from stakeholders on this revision. Revised to include carbon dioxide, A2L, A2, and A3 refrigerants.

Please submit your comments regarding the revised draft. Reviewers should submit their comments using the public review comment form, which requires both identification of the problem and a recommended solution. Reviewers should submit the form to AHRI_Standards@ahrinet.org.