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Best Buy customers often prefer the following products when searching for installing smoke alarms.

Smoke alarms are a great way to protect your home. They're easy to install, and they can be a lifesaver if you have an emergency. Smoke alarms are also easy to replace if you want to upgrade to a new one later on. Browse the top-ranked list of smoke alarms below along with associated reviews and opinions.

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  1. First Alert - Basic Smoke Alarm - Front_Zoom

    Model: 1039796
    SKU: 6315924
    Top comment

    "Great smoke alarms. Very use to install and great quality. ...Item as described Quick and easy to install Easy to test...Smoke Alarm First Alert...Easy install"

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    Product Description

    Safeguard what's important to you with this First Alert basic smoke alarm. It's battery-powered, so no complicated wiring is required, and it has a mute button for fast silencing of false alarms and easy battery testing. The EZ-Access battery door on this First Alert basic smoke alarm allows hassle-free maintenance.
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    Top comment

    "Great smoke alarms. Very use to install and great quality. ...Item as described Quick and easy to install Easy to test...Smoke Alarm First Alert...Easy install"

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    Product Description

    Safeguard what's important to you with this First Alert basic smoke alarm. It's battery-powered, so no complicated wiring is required, and it has a mute button for fast silencing of false alarms and easy battery testing. The EZ-Access battery door on this First Alert basic smoke alarm allows hassle-free maintenance.
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    Your price for this item is $9.99
    The previous price was $13.99
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  2. First Alert - Smoke Alarm with Escape Light - Front_Zoom
    Top comment

    "Great smoke alarm...Works well, I've never had a problem with first alert smoke alarm, easy installation...Good Quality Smoke Alarm...We bought these smoke alarms to replace some old First Alert smoke alarms in our house. "

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    Product Description

    Guide your loved ones safely out of harm's way with this First Alert Escape Light smoke and fire alarm. Onboard illumination shows the path out if the worst happens, and an ionization sensor picks up the earliest signs of flames. The easy-access door on this First Alert Escape Light smoke and fire alarm makes maintenance easy.
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    Top comment

    "Great smoke alarm...Works well, I've never had a problem with first alert smoke alarm, easy installation...Good Quality Smoke Alarm...We bought these smoke alarms to replace some old First Alert smoke alarms in our house. "

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    Product Description

    Guide your loved ones safely out of harm's way with this First Alert Escape Light smoke and fire alarm. Onboard illumination shows the path out if the worst happens, and an ionization sensor picks up the earliest signs of flames. The easy-access door on this First Alert Escape Light smoke and fire alarm makes maintenance easy.
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    Your price for this item is $13.99
    The previous price was $18.99
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  3. Google - Nest Protect 2nd Generation Smart Smoke/Carbon Monoxide Wired Alarm - White - Angle_Zoom
    Top comment

    "Love the Nest smoke detector. Installs in minutes....Nest Wired Smoke Alarm...This was my second Nest smoke alarm to install, replacing the original builder installed wired alarms. "

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    Product Description

    Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home. This hardwired version is suitable for homes with existing hardwired smoke or CO detectors.
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    Top comment

    "Love the Nest smoke detector. Installs in minutes....Nest Wired Smoke Alarm...This was my second Nest smoke alarm to install, replacing the original builder installed wired alarms. "

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    Product Description

    Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home. This hardwired version is suitable for homes with existing hardwired smoke or CO detectors.
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    Your price for this item is $119.99
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  4. Ring - Alarm Smoke & CO Listener (1-Pack) - Front_Zoom

    Model: 4SS1S8-0EN0
    SKU: 6323411
    Top comment

    "Ring smoke alarm...This item work well..I install and it alert me in my phone even Im away...So I returned that and bought this instead. Since I already had smoke alarms and CO alarms, it made more sense anyway rather than replacing one of my existing alarms. "

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    Product Description

    Always hear your existing smoke and CO alarms loud and clear. Simply connect the Alarm Smoke and CO Listener to your Ring Alarm Security Kit (sold separately) and place it near your existing smoke or CO alarms. You’ll get real-time mobile notifications whenever it hears sirens from existing smoke or CO alarms in your home. *This device does not detect fire, smoke or carbon monoxide and is intended to work with UL listed smoke and CO alarms that are 10 years old or less.
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    Top comment

    "Ring smoke alarm...This item work well..I install and it alert me in my phone even Im away...So I returned that and bought this instead. Since I already had smoke alarms and CO alarms, it made more sense anyway rather than replacing one of my existing alarms. "

    See all customer reviews

    Product Description

    Always hear your existing smoke and CO alarms loud and clear. Simply connect the Alarm Smoke and CO Listener to your Ring Alarm Security Kit (sold separately) and place it near your existing smoke or CO alarms. You’ll get real-time mobile notifications whenever it hears sirens from existing smoke or CO alarms in your home. *This device does not detect fire, smoke or carbon monoxide and is intended to work with UL listed smoke and CO alarms that are 10 years old or less.
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    Your price for this item is $34.99
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  5. First Alert - Dual-Sensor Smoke and Fire Alarm - Front_Zoom
    Top comment

    "Seems like a good smoke/fire alarm....Appears to be a solid choice for a traditional battery-operated smoke/fire alarm....Dual Smoke Alarms - First Alert...First Alert was easy to install and test. Instructions easy to follow."

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    Product Description

    Stay safe with this First Alert smoke and fire alarm. It uses ionization and photoelectric sensors to detect different types of fires, and its smart sensor can distinguish between real fires and false alarms to keep nuisance alerts to a minimum. This First Alert smoke and fire alarm has a low battery light to show when it's time for maintenance.
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    Top comment

    "Seems like a good smoke/fire alarm....Appears to be a solid choice for a traditional battery-operated smoke/fire alarm....Dual Smoke Alarms - First Alert...First Alert was easy to install and test. Instructions easy to follow."

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    Product Description

    Stay safe with this First Alert smoke and fire alarm. It uses ionization and photoelectric sensors to detect different types of fires, and its smart sensor can distinguish between real fires and false alarms to keep nuisance alerts to a minimum. This First Alert smoke and fire alarm has a low battery light to show when it's time for maintenance.
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    Your price for this item is $23.99
    The previous price was $31.99
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  6. First Alert - Smoke and Carbon Monoxide Alarm - Works with Ring - White - Front_Zoom
    Top comment

    "Smoke alarms...Needed new smoke alarms for our home - these were easy to install and work great !...Works great with ring alarm and does not make the annoying Chirps that other smoke alarms have. "

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    Product Description

    First Alert ZCOMBO is a state-of-the-art wireless combination smoke and CO alarm designed to provide early warning of a fire or CO. It features a fully insect screened Photoelectric smoke sensing chamber and an electrochemical carbon monoxide sensor, an 85dB horn, a supervised 3V (2 AA batteries) power supply, utilizes one test button to setup, test and silence. This combination alarm will operate with 3rd party, certified Z-Wave devices enabled with the First Alert protocol and the basic command class required by all Z-Wave devices. First Alert ZCOMBO also includes the Smart Start feature which allows a faster and more intuitive connection of device to hub and on-boarding via use of QR code scan located on device. By the requirements of the Device Class spec, this command class does not have to be mapped to any particular functionality for this device. The alarm supports one association group with up to 1 node and sends its alarms to that group. The alarm supports configuration parameter #1, which has a size of 1, a default value of 0, and when set to 1 causes the device to send double alarm messages. Upon the detection of smoke or CO conditions, the alarm reports smoke and or CO detected to the controller. The device shall send the applicable message when the conditions are cleared. These notifications must be wrapped in the Supervision CC. The following notifications must be supported. The alarm sends a “Heartbeat” signal to hub periodically to confirm operability. It also features tamper resistant locking pins that lock alarm to the mounting bracket and battery drawer to prevent removal of battery or alarm. Designed for wall or ceiling mounting. Includes mounting anchors and screws.
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    Top comment

    "Smoke alarms...Needed new smoke alarms for our home - these were easy to install and work great !...Works great with ring alarm and does not make the annoying Chirps that other smoke alarms have. "

    See all customer reviews

    Product Description

    First Alert ZCOMBO is a state-of-the-art wireless combination smoke and CO alarm designed to provide early warning of a fire or CO. It features a fully insect screened Photoelectric smoke sensing chamber and an electrochemical carbon monoxide sensor, an 85dB horn, a supervised 3V (2 AA batteries) power supply, utilizes one test button to setup, test and silence. This combination alarm will operate with 3rd party, certified Z-Wave devices enabled with the First Alert protocol and the basic command class required by all Z-Wave devices. First Alert ZCOMBO also includes the Smart Start feature which allows a faster and more intuitive connection of device to hub and on-boarding via use of QR code scan located on device. By the requirements of the Device Class spec, this command class does not have to be mapped to any particular functionality for this device. The alarm supports one association group with up to 1 node and sends its alarms to that group. The alarm supports configuration parameter #1, which has a size of 1, a default value of 0, and when set to 1 causes the device to send double alarm messages. Upon the detection of smoke or CO conditions, the alarm reports smoke and or CO detected to the controller. The device shall send the applicable message when the conditions are cleared. These notifications must be wrapped in the Supervision CC. The following notifications must be supported. The alarm sends a “Heartbeat” signal to hub periodically to confirm operability. It also features tamper resistant locking pins that lock alarm to the mounting bracket and battery drawer to prevent removal of battery or alarm. Designed for wall or ceiling mounting. Includes mounting anchors and screws.
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    Your price for this item is $49.99
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  7. Google - Nest Protect 2nd Generation (Battery) Smart Smoke/Carbon Monoxide Alarm - White - Angle_Zoom
    Top comment

    "Easy to set up and install, attractive device. Much nicer and informative than your standard smoke/co2 alarms."

    See all customer reviews

    Product Description

    Nest Protect Smoke and Carbon Monoxide Alarm - 2nd Generation (Battery): Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Easy to set up and install, attractive device. Much nicer and informative than your standard smoke/co2 alarms."

    See all customer reviews

    Product Description

    Nest Protect Smoke and Carbon Monoxide Alarm - 2nd Generation (Battery): Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $119.99
    See all Smoke & Carbon Monoxide Detectors
  8. First Alert - CO615 Carbon Monoxide Plug-In Alarm with Battery Backup CO615 - Front_Zoom
    Top comment

    "Good price. Easy to install. Comes with batteries...No alarms so far thankfully."

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    Product Description

    Detect dangerous CO levels in your home with this First Alert CO615 carbon monoxide alarm. The plug-in design makes installation easy and lets you move the unit from room to room as needed. Battery backup on this First Alert carbon monoxide alarm keeps it working even during a power outage for added peace of mind and security.
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    Top comment

    "Good price. Easy to install. Comes with batteries...No alarms so far thankfully."

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    Product Description

    Detect dangerous CO levels in your home with this First Alert CO615 carbon monoxide alarm. The plug-in design makes installation easy and lets you move the unit from room to room as needed. Battery backup on this First Alert carbon monoxide alarm keeps it working even during a power outage for added peace of mind and security.
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    Your price for this item is $41.99
    The previous price was $51.99
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  9. Airthings - Wave  Plus Smart Indoor Air Quality Monitor with Radon Detection - Matte White - Front_Zoom
    Top comment

    "The unit itself is super easy to install. You have to mount a little plate but then the actual device has a magnet and it just sticks on there. ...Works fine as advertised easy to install on application!"

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    Product Description

    We spend 90% of our time indoors where the air is often 2 to 5 times worse than the air outside. Continuous monitoring of indoor air quality is key for minimizing negative health effects, preventing illness and increasing productivity, energy and good health. Airthings, air quality specialists and experts in radon, created the Airthings Wave Plus as the first smart air quality monitor with radon detection. Wave Plus has since won multiple awards for consumer electronics and innovation and was among the 2019 TIME Magazine inventions of the year. It is the perfect solution for homeowners to gain full visibility into six indoor air factors; radon, carbon dioxide (CO2), airborne chemicals (TVOCs), humidity, temperature and air pressure. Airthings Wave Plus includes a free app to connect to your smartphone (iOS/Android) via Bluetooth and an online dashboard with advanced analytics. Battery operated allowing you to install anywhere, with 16 months battery life. Please allow for a 7-Day settling period for the sensors to adjust to their new environment. By monitoring daily and continuously, you can avoid radon side effects, get the best indoor humidity level, low voc levels and low carbon dioxide levels. Made to the best indoor air quality standards, Airthings Wave Plus is essential in every home.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "The unit itself is super easy to install. You have to mount a little plate but then the actual device has a magnet and it just sticks on there. ...Works fine as advertised easy to install on application!"

    See all customer reviews

    Product Description

    We spend 90% of our time indoors where the air is often 2 to 5 times worse than the air outside. Continuous monitoring of indoor air quality is key for minimizing negative health effects, preventing illness and increasing productivity, energy and good health. Airthings, air quality specialists and experts in radon, created the Airthings Wave Plus as the first smart air quality monitor with radon detection. Wave Plus has since won multiple awards for consumer electronics and innovation and was among the 2019 TIME Magazine inventions of the year. It is the perfect solution for homeowners to gain full visibility into six indoor air factors; radon, carbon dioxide (CO2), airborne chemicals (TVOCs), humidity, temperature and air pressure. Airthings Wave Plus includes a free app to connect to your smartphone (iOS/Android) via Bluetooth and an online dashboard with advanced analytics. Battery operated allowing you to install anywhere, with 16 months battery life. Please allow for a 7-Day settling period for the sensors to adjust to their new environment. By monitoring daily and continuously, you can avoid radon side effects, get the best indoor humidity level, low voc levels and low carbon dioxide levels. Made to the best indoor air quality standards, Airthings Wave Plus is essential in every home.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $149.99
    The previous price was $229.99
    See all Smoke & Carbon Monoxide Detectors
  10. IQAir AirVisual Pro Air Quality Monitor for PM2.5, CO2, AQI, Temperature, and Humidity, IFTTT App Enabled - white - Front_Zoom
    Your price for this item is $289.99
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