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Combination Smoke & Carbon Monoxide Detectors: the numbers

Everything below is computed from the 33 curated combination smoke & carbon monoxide detectors we track - no estimates, no third-party data.

33Curated models

5Brands

Brand share of the curated catalog

Kidde

17 · 52%

First Alert

9 · 27%

X-Sense

4 · 12%

BRK

2 · 6%

Google

1 · 3%

Where these numbers come from

Counts and brand totals are pulled from the curated combination smoke & carbon monoxide detectors catalog on every build - the same data behind the Combination Smoke & Carbon Monoxide Detectors category page. Generic and unbranded listings are left out before anything is counted. Product data: updated 3 days ago.