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smoke & carbon monoxide detectors

Safety Smoke Detectors

Smoke detectors are a must-have for any home, but they're especially important if you have children or pets. That's because smoke can fill your home with harmful particles that can trigger asthma or allergies, as well as irritate your respiratory system. Fortunately, there are plenty of options when it comes to choosing a smoke detector. Browse the top-ranked list of safety smoke detectors below along with associated reviews and opinions. 

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

    SKU: JJ8Z8VQ4FT

    Smart Smoke & CO2 Detector Replaces Nest Protect...First Alert introduced a Smart Smoke & Carbon Monoxide Detector that will replace the Google Nest Protect Smart Smoke + CO2 detector, which has been...

    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 - Smoke and Carbon Monoxide Detector Battery Powered - White

    SKU: JJ8Z8VQ4FV

    Smoke detector....Great smoke detector. Great price and easy to install....Great Alternative To Nest Smoke Detectors

    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

  3. SimpliSafe - Smoke & Carbon Monoxide Detector - White

    SKU: J362VFS3VL

    Smoke/CO detector...Simplisafe Smoke and Carbon Dioxide detector...Simplisafe integrates another great product to my whole house monitoring system with this Smoke & Carbon Monoxide detector. As inexpensive...

    Product Description

    A white, battery-powered detector that alerts you to smoke and carbon monoxide, compatible with Alexa and Google Assistant.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $69.99

  4. 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

  5. SimpliSafe - Smoke & Carbon Monoxide Alarm Listener - White

    SKU: J362VFSG67

    Product Description

    A white listener that connects to existing detectors for app alerts and professional fire or CO monitoring.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $44.99
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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.