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Smoke Detectors & Fire Alarms: the numbers

Everything below is computed from the 10 curated smoke detectors & fire alarms we track - no estimates, no third-party data.

10Curated models
3Brands
★ 4.4Average Amazon rating
16,647Amazon ratings

How Amazon buyers rate them

The average Amazon rating across the category is ★ 4.4. Low-rated products with meaningful rating volume are dropped during curation, so the spread below reflects the survivors.

★ 4.6-5.0
2
★ 4.3-4.5
6
★ 4.0-4.2
2
Below ★ 4.0
0

Brand share of the curated catalog

First Alert
5 · 50%
Kidde
3 · 30%
X-Sense
2 · 20%

Most-rated models

Ratings
First Alert Battery Smoke Alarm | SMI100★ 4.65,600
X-Sense Smoke Detector Carbon Monoxide Detector Combo, SC07,★ 4.54,200
First Alert Hardwire Smoke Alarm | SMI100-AC, 9V★ 4.52,600
Kidde Smoke Detector, Hardwired & 10-Year Battery Backup,★ 41,400
Kidde Compact Smoke Detector, AA Battery-Powered, 10SDR |★ 4.5940

Where these numbers come from

Counts, ratings, and rating totals are pulled from the curated smoke detectors & fire alarms catalog on every build - the same data behind the Smoke Detectors & Fire Alarms category page. Junk listings and no-name brands are filtered out before anything is counted. Product data: updated 7 days ago.