Reference Source

Washington · Existing equipment that undergoes a retrofit

For Washington, equipment category is Existing equipment that undergoes a retrofit; gwp limit is less than 150; effective date is Jan 1, 2029; regulatory status is signed into law; regulation citation is Chapter 173-443 WAC, recorded from its source on 2026-08-05; source re-checked 2026-11-03.

State
Washington verified
Equipment category
Existing equipment that undergoes a retrofit verified
GWP limit
less than 150 verified
Effective date
Jan 1, 2029 verified
Regulatory status
signed into law our reading
Regulation citation
Chapter 173-443 WAC verified
Sourcenasrc.org
Verified
Review by
DatasetHFC refrigerant GWP regulations by US state

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Washington has Finalized a rulemaking to update Chapter 173-443 WAC for HFCs and other fluorinated greenhouse gases that: Established GWP threshold less than 150 for HFCs used in new equipment (Jan 1, 2025) Established GWP threshold less than 150 for existing equipment that undergoes a retrofit (Jan 1, 2029)

— nasrc.org, retrieved 2026-08-05

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.