Does the Ryobi RY907022FI have CO shutoff?

Last reviewed July 2026.

Yes — with the strongest backing available: a third-party UL certification. UL itself announced this model as the first portable generator certified to ANSI/UL 2201 — the stricter of the two CO standards, covering both a shutoff system and reduced CO emission rates. Certification means a third party controls the testing and maintains a public listing (UL's directory, category FTCN) — the same certified-vs-self-declared line our sibling sites draw in other categories. CPSC's modeling found UL 2201-compliant generators would avert nearly 100% of generator CO deaths. Current market availability of specific UL 2201-certified models should be checked against the UL directory — the listing wins.

The facts on file

Sources — read them yourself

• UL — "UL Certifies First Low Carbon Monoxide Portable Generator to ANSI/UL 2201"
• CPSC — voluntary-standards effectiveness report (UL 2201 ≈ 100% of deaths averted)

How to read this

Two ANSI standards govern generator CO safety, and they are not equal claims: UL 2201 is third-party certified with a public listing (and per CPSC's modeling, machines built to it would avert nearly 100% of generator CO deaths); ANSI/PGMA G300 conformance is stated by the manufacturer (~87% in the same modeling). An advertised shutoff with no named standard is better than nothing and checkable against nothing. See the two standards compared — and remember a shutoff is not permission.

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Generator Score indexes CO-shutoff systems against the two ANSI standards and the public record (UL listings, manufacturer citations, CPSC data), with attribution — we test nothing and give no safety advice. No CO-shutoff system makes a generator safe to run indoors, in a garage, or near openings — CPSC's placement guidance (outdoors only, 20+ feet from the home, exhaust pointed away) is the operative document, and a shutoff is a backstop for mistakes, not permission to make them. If a maker publishes a standard citation or a listing appears, the page changes — the record wins.