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First Alert Smoke Alarms

A smoke alarm is a device that senses smoke, typically as an indicator of fire. Smoke alarms are found in residential dwellings and commercial premises such as hotels and hospitals. They are designed to give warning when there is a fire, giving residents or workers time to escape, and to alert the fire service. Browse the top-ranked list of First Alert smoke alarms below along with associated reviews and opinions.

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  1. First Alert - Smoke and Carbon Monoxide Detector Hardwired - White

    SKU: JJ8Z8VQ4FT

    Easy install and setup The first alert app is intuitive and easy to use...The Nest app does not see the First Alert detector, so I installed the First Alert App.

    Product Description

    A hardwired, app-compatible white detector that alerts you to both smoke and carbon monoxide dangers.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $113.99
    Save $16
    The previous price was $129.99

  2. First Alert - Z-Wave Smoke and Carbon Monoxide Detector - White

    SKU: JJ8Z8VQ43T

    Product Description

    A battery-powered white alarm that detects both smoke and carbon monoxide, compatible with Z-Wave smart systems.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $64.99

  3. First Alert - Smoke and Carbon Monoxide Detector Battery Powered - White

    SKU: JJ8Z8VQ4FV

    First Alert recommends that you run a safety test weekly, which can be done using either the First Alert App or Google Nest App. ...The First Alert app feels outdated and clunky, like something from 2019,...

    Product Description

    A battery-powered white detector that alerts you to smoke and carbon monoxide, with app compatibility.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $113.99
    Save $16
    The previous price was $129.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.