10 Best Smoke And Carbon Monoxide Detector First Alert

10 Best smoke and carbon monoxide detector first alert - January 2026

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Last Updated: 07-01-2026

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FIRST ALERT SCO501CN-3ST Smoke and Carbon Monoxide Alarm, 120 V, White, Pack of 1

First Alert

9.8

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First Alert SC5 Hardwire SMCO600NV-AC Smart Smoke and Carbon Monoxide Detector

First Alert

9.6

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Best value

saf First Alert smoke and co combo

First Alert

9.5

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First Alert PRC700 Smoke and Carbon Monoxide Alarm, Battery Operated

First Alert

9.2

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FireAngel Combination Smoke and Carbon Monoxide Alarm for Home - SCB10-R, 10 Year Life, Dual Carbon Monoxide Detector and Smoke Alarm with Test and Hush Button - Combined CO and Fire Alarm - White

Fireangel

9.1

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7% Off

Smoke & Carbon Monoxide Alarm with Digital LCD Display, AEGISLINK Combination Smoke and CO Alarm Detector with 10-Year Lifespan & Replaceable Battery and Test/Silence Button, SC200

AEGISLINK

8.8

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32% Off

Smoke and Carbon Monoxide Alarm, Dual Sensor Combination Smoke Alarm and Carbon Monoxide Detector and Replaceable Battery Smoke and CO Alarm with Digital Display for Your Home, Garage, Office, 2-Pack

Generic

8.6

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36% Off

X-Sense Wi-Fi Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smart Smoke Alarm for Home with Replaceable Battery, XP0A-iR, 1-Pack

X-Sense

8.4

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Smoke & Carbon Monoxide Alarm with Digital LCD Display, Combination Smoke Alarm and Carbon Monoxide Detector Replaceable Battery Smoke and CO Alarm for Your Home, Garage, Office

Yezala

8.2

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19% Off

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button, Single

Fireangel

8.1

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FIRST ALERT SCO501CN-3ST Smoke and Carbon Monoxide Alarm, 120 V, White, Pack of 1

First Alert SC5 Hardwire SMCO600NV-AC Smart Smoke and Carbon Monoxide Detector

saf First Alert smoke and co combo

First Alert PRC700 Smoke and Carbon Monoxide Alarm, Battery Operated

FireAngel Combination Smoke and Carbon Monoxide Alarm for Home - SCB10-R, 10 Year Life, Dual Carbon Monoxide Detector and Smoke Alarm with Test and Hush Button - Combined CO and Fire Alarm - White

Smoke & Carbon Monoxide Alarm with Digital LCD Display, AEGISLINK Combination Smoke and CO Alarm Detector with 10-Year Lifespan & Replaceable Battery and Test/Silence Button, SC200

Smoke and Carbon Monoxide Alarm, Dual Sensor Combination Smoke Alarm and Carbon Monoxide Detector and Replaceable Battery Smoke and CO Alarm with Digital Display for Your Home, Garage, Office, 2-Pack

X-Sense Wi-Fi Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smart Smoke Alarm for Home with Replaceable Battery, XP0A-iR, 1-Pack

Smoke & Carbon Monoxide Alarm with Digital LCD Display, Combination Smoke Alarm and Carbon Monoxide Detector Replaceable Battery Smoke and CO Alarm for Your Home, Garage, Office

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button, Single

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