About the next edition of the code
The division is working with the Construction Industry Energy Board to adopt the next version of the Oregon Energy Efficiency Specialty Code (OEESC). The OEESC adoption process starts with the publication of an updated ASHRAE Standard 90.1, Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings.
Base model code: ASHRAE Standard 90.1-2022 published Jan. 25, 2023
Anticipated adoptive date:
2025 with a 6-month phase-in period
Important Update
Adoption of the 2024 OEESC is subject to the approval of the Construction Industry Energy Board and availability of COMcheck software for ASHRAE Standard 90.1-2022. For more information about COMcheck visit:
https://www.energycodes.gov/comcheck.