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2025 Oregon Energy Efficiency Specialty Code (OEESC)Chapter 13 of the Oregon Structural Specialty Code (OSSC)
The OEESC applies to buildings designed and constructed under the Building Code, including appliances, equipment and services regulated by the Building Code that feed directly to, or from the building.
ASHRAE Standard 90.1-2022 resources
This code update training video includes the significant changes to the 2025 OEESC.
This training video covers the new additional efficiency credit (AEC) requirements in the 2025 OEESC.
To demonstrate compliance with the commercial energy code, construction documents shall include the following where applicable:
This training video is intended to assist designers, contractors and building officials with the use of COMcheck.
This training video is intended to assist designers, contractors and building officials with the use of the ZERO Energy Calculator.
Energy modeling guidance from the U.S. Department of Energy: ASHRAE Standard 90.1 Performance Based Compliance (Section 11 and Appendix G)
Use the following for energy modeling / cost of energy: Cost-per-unit of energy: performance methods
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