ASHRAE 15-2019 Addendum i

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

ASHRAE Addendum o

Addendum o to Guideline 36-2018 — High-Performance Sequences of Operation for HVAC Systems
Amendment by ASHRAE, 2020