ASHRAE 90.4-2019

Standard 90.4-2019 — Energy Standard for Data Centers- (ANSI Approved)
standard by ASHRAE, 2019

ASHRAE 15-2019 Addendum b

Addendum b to Standard 15-2019 — Safety Standard for Refrigeration Systems and Designation and Classification of Refrigerants (ANSI Approved)
Amendment by ASHRAE, 2020