Washington State Clean Buildings
Performance Standard
The Clean Buildings Performance Standard consists of ASHRAE Standard 100-2018 and state amendments to ASHRAE Standard 100-2018, WAC194-50. Both documents must be used to understand the full scope of the Standard. This integrated document combines both and provides free of charge access to the full Clean Buildings Performance Standard.
Please fill out the form to access the July 2024 Version, which include Tier 1 and Tier 2 buildings. The file will automatically appear in your downloads folder.
- Visit the Clean Buildings Performance Standard webpage for additional program information.
- Visit the Clean Buildings Support and Resources webpage to sign up for and view directories of qualified persons and qualified energy auditors.
Email buildings@commerce.wa.gov if you encounter any issues.