AHRI 1250 (I-P) and 1251 (SI): Performance Rating of Walk-in Coolers and Freezers

This standard applies to mechanical refrigeration equipment consisting of an integrated single package refrigeration unit, or separate unit cooler and condensing unit sections, where the condensing section can be outdoor or indoor. Controls may be integral or can be provided by a separate party as long as performance is tested and certified with the listed mechanical equipment.

• AHRI 1250 (I-P/2020): Performance Rating of Walk-in Coolers and Freezers


• ANSI/AHRI 1250 (I-P/2014): Performance Rating of Walk-in Coolers and Freezers (with Errata)


• ANSI/AHRI 1251 (SI/2014): Performance Rating of Walk-in Coolers and Freezers (with Errata)

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