Skip to main content

Oregon State Flag An official website of the State of Oregon »

Oregon Energy Efficiency Specialty Code

OCT 2019

2019 OZERCC / ASHRAE 90.1-2016

Commercial energy provisions - Effective Oct. 1, 2019
APR 2021

2021 OEESC / ASHRAE 90.1-2019

Commercial energy provisions - Effective April 1, 2021, with a six-month phase-in period
View the code update training video
Phase-in period - April 1 to Sept. 30, 2021
Use of one of the following is permitted:
  • The 2019 OZERCC
  • The 2021 OEESC
OCT 2021

2021 OEESC / ASHRAE 90.1-2019

Mandatory Oct. 1, 2021

Code review and adoption

The division works with the Construction Industry Energy Board to adopt updated commercial energy provisions for Chapter 13 of the Oregon Structural Specialty Code (OSSC). The 2021 Oregon Energy Efficiency Specialty Code (OEESC) is based on ASHRAE Standard 90.1-2019 and includes Oregon-specific amendments.