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Energy Code Program

NEWS AND UPDATES

2021 Oregon Energy Efficiency Specialty Code (OEESC) - ASHRAE 90.1-2019 adoption

The new 2021 OEESC, based on ASHRAE Standard 90.1 - 2019, has been adopted and becomes effective April 1, 2021. The code becomes mandatory after the six-month phase-in period ends on Oct. 1, 2021.

View the new 2021 OEESC.
View the significant changes summary
Access information about the code adoption process.

Adopted codes and standards

The division works with building officials, technical committees, advisory boards, and the public to adopt, amend, and interpret the Chapter 13 energy efficiency provisions of the Oregon Structural Specialty Code (OSSC) and the Chapter 11 energy efficiency provisions of the Oregon Residential Specialty Code (ORSC).
Access the ORSC program.

2021 Oregon Energy Efficiency Specialty Code (OEESC)
Effective April 1, 2021 | Grace period ends Oct. 1, 2021
Based on ASHRAE Standard 90.1-2019
Significant changes summary

Access the ASHRAE 90.1-2019. ~ Available under "Current popular standards."

ASHRAE Standard 90.1 - 2019 compliance

To demonstrate compliance with the energy code, construction documents shall include the following where applicable:

Use the following resources to complete the compliance form:

Other resources


Previous commercial energy code

2019 Oregon Zero Energy Ready Commercial Code (OZERCC)
    Effective Oct. 1, 2019 - Sept. 29, 2021
    Based on ASHRAE Standard 90.1-2016
2019 Oregon Zero Energy Ready Compliance Form

ASHRAE 90.1-2016 resources

The following materials were created by the Pacific Northwest National Laboratory for the U.S. Department of Energy.

Transition to ASHRAE Standard 90.1 from IECC

The following guide shows where, in Part I of the 2019 Oregon Zero Energy Ready Commercial Code and ASHRAE Standard 90.1, to find the same subject matter requirements from the 2014 Oregon Energy Efficiency Specialty Code, based on the 2009 International Energy Conservation Code.

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