Product Details Published: 2022 Units of Measure: SI Product Code(s): 81221 You might also like … ASHRAE Chinese 90.1-2019 (SI) Complying with Standard 90.1-2019 Commissioning Process in New & Existing Buildings 2022 ASHRAE Handbook — Refrigeration (SI) Category: ASHRAE Previous: IPC J-STD-001HS Next: AS ISO 7135:2021