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

Main Results
  1. Google - Nest Protect 2nd Generation Smart Smoke/Carbon Monoxide Wired Alarm - White - Angle_Zoom
    Top comment

    "Received 3 protection smoke alarms, had them installed in less than 20 minutes, from hanging them up to setting them up in app! ...I rate the nest smoke detector as the best protection for your home. ...The safest smoke detector for your home"

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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.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Received 3 protection smoke alarms, had them installed in less than 20 minutes, from hanging them up to setting them up in app! ...I rate the nest smoke detector as the best protection for your home. ...The safest smoke detector for your home"

    See all customer reviews

    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.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  2. First Alert - Basic Smoke Alarm - Front_Zoom

    Model: 1039796
    SKU: 6315924
    Top comment

    "I love the piece of mind this smoke detector gives me in my home. I have First Alert smoke detectors in every room of my home. ...Smoke detector...Easy to install just add the battery and mount it anywhere you need protection"

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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.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "I love the piece of mind this smoke detector gives me in my home. I have First Alert smoke detectors in every room of my home. ...Smoke detector...Easy to install just add the battery and mount it anywhere you need protection"

    See all customer reviews

    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.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  3. Airthings - Wave Smart Radon Detector with Free App, Temp and Humidity Monitor, Battery Operated, No Lab Fees. - Matte White and Silver - Front_Zoom
    Top comment

    "It blends right into our decor and gives great piece of mind that our radon levels are safe. Great idea for a housewarming gift of for a wedding shower....This is a must buy for anyone with a basement to track and monitor your homes radon levels to keep your family safe."

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    Product Description

    The Airthings Wave 2nd Generation is a smart radon detector providing accurate continuous and long-term results straight to your smartphone. Replacing single-use radon test kits, this digital radon monitor shows daily, weekly, monthly and yearly measurements in the free mobile app. Use the data to protect your home and loved ones from the dangers of radon gas and make sure radon levels stay low. It is battery powered, meaning no AC outlet is required and it can be placed anywhere in the home. The Airthings Wave includes an additional humidity sensor and temperature sensor, allowing you to improve indoor air quality overall. Monitor to ensure healthy indoor humidity levels and a comfortable temperature. Detailed analytics are available in the Airthings app and Web Dashboard or simply wave in front of the device to receive a color-coded visual indicator of the overall air quality; Green (Low), Yellow (Warning), Red (Danger). The radon monitor is also smart home enabled and works with Alexa, Google Assistant and IFTTT (if this then that). The Airthings Wave 2nd generation has the same sensors as the 1st generation, but it includes Smartlink functionality that allows the device to connect to the Airthings Hub.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "It blends right into our decor and gives great piece of mind that our radon levels are safe. Great idea for a housewarming gift of for a wedding shower....This is a must buy for anyone with a basement to track and monitor your homes radon levels to keep your family safe."

    See all customer reviews

    Product Description

    The Airthings Wave 2nd Generation is a smart radon detector providing accurate continuous and long-term results straight to your smartphone. Replacing single-use radon test kits, this digital radon monitor shows daily, weekly, monthly and yearly measurements in the free mobile app. Use the data to protect your home and loved ones from the dangers of radon gas and make sure radon levels stay low. It is battery powered, meaning no AC outlet is required and it can be placed anywhere in the home. The Airthings Wave includes an additional humidity sensor and temperature sensor, allowing you to improve indoor air quality overall. Monitor to ensure healthy indoor humidity levels and a comfortable temperature. Detailed analytics are available in the Airthings app and Web Dashboard or simply wave in front of the device to receive a color-coded visual indicator of the overall air quality; Green (Low), Yellow (Warning), Red (Danger). The radon monitor is also smart home enabled and works with Alexa, Google Assistant and IFTTT (if this then that). The Airthings Wave 2nd generation has the same sensors as the 1st generation, but it includes Smartlink functionality that allows the device to connect to the Airthings Hub.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  4. SimpliSafe - Smoke Detector - White - Front_Zoom

    Model: SSSD3
    SKU: 6520590
    Top comment

    "Smoke detector...The smoke detector works great. Tested to see the effect of having this device....Installed 3 smoke detectors on a Simplisafe system I have had for 6 years. "

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    Product Description

    Protect your home and family from fires with the SimpliSafe Smoke Detector that's fully connected to your SimpliSafe Home Security System. You’ll get an instant alert sent to your phone when dangerous levels of smoke are detected. Plus, with a 24/7 Professional Monitoring Plan, the smoke detector alerts our monitoring center in an emergency. That means you’ll get a fast response from firefighters.
    See all Home Security Accessories
    Top comment

    "Smoke detector...The smoke detector works great. Tested to see the effect of having this device....Installed 3 smoke detectors on a Simplisafe system I have had for 6 years. "

    See all customer reviews

    Product Description

    Protect your home and family from fires with the SimpliSafe Smoke Detector that's fully connected to your SimpliSafe Home Security System. You’ll get an instant alert sent to your phone when dangerous levels of smoke are detected. Plus, with a 24/7 Professional Monitoring Plan, the smoke detector alerts our monitoring center in an emergency. That means you’ll get a fast response from firefighters.
    See all Home Security Accessories
    See all Home Security Accessories
  5. SimpliSafe Smoke/CO Detector - White - Front_Zoom

    Model: CA002-01RUS
    SKU: 6543524

    Product Description

    Get alerted the minute a dangerous hazard threatens your home with the 2-in-1 smoke and carbon monoxide detector. Engineered to tell the difference between dangerous smoke and burning food, so you’ll always know when there’s a real emergency. It’s also backed by SimpliSafe’s award-winning security system and 24/7 professional monitoring—any time there’s trouble, emergency assistance will be quickly sent to your front door.* Setup is easy too with the included hardware. Plus, thoughtful notifications will give you daily updates on your detectors’ status, so you know it’s working properly. *Emergency dispatch is available with select monitoring plans.
    See all Security Camera & System Accessories

    Product Description

    Get alerted the minute a dangerous hazard threatens your home with the 2-in-1 smoke and carbon monoxide detector. Engineered to tell the difference between dangerous smoke and burning food, so you’ll always know when there’s a real emergency. It’s also backed by SimpliSafe’s award-winning security system and 24/7 professional monitoring—any time there’s trouble, emergency assistance will be quickly sent to your front door.* Setup is easy too with the included hardware. Plus, thoughtful notifications will give you daily updates on your detectors’ status, so you know it’s working properly. *Emergency dispatch is available with select monitoring plans.
    See all Security Camera & System Accessories
    See all Security Camera & System Accessories
  6. First Alert - Smoke Alarm with Escape Light - Front_Zoom
    Top comment

    "Smoke detectors...Amazing smoke detectors with lights very economical perfect for what I needed I bought two of them...Safety First...This smoke detector is one of the best things I’ve purchased. "

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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.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Smoke detectors...Amazing smoke detectors with lights very economical perfect for what I needed I bought two of them...Safety First...This smoke detector is one of the best things I’ve purchased. "

    See all customer reviews

    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.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  7. Ring - Alarm Smoke & CO Listener (1-Pack) - Front_Zoom

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

    "Not having to change all my smoke detectors over to smart detectors has saved a ton of money. ...Not a smoke detector...It only listens for your smoke detector."

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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.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Not having to change all my smoke detectors over to smart detectors has saved a ton of money. ...Not a smoke detector...It only listens for your smoke detector."

    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.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  8. First Alert - Dual-Sensor Smoke and Fire Alarm - Front_Zoom
    Top comment

    "Smoke & fire detector...It runs on AA batteries instead of the 9 volt batteries so many smoke detectors use. It tested perfectly and I feel safe and secure now. ...Very loud smoke detector...I always test out my smoke detectors and boy howdy it was loud. I was impressed with the loudness and decided to replace all of my other smoke detectors with the First Alert Dual-sensor Smoke and Fire Alarm, Battery Powered, SA320CN. "

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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.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Smoke & fire detector...It runs on AA batteries instead of the 9 volt batteries so many smoke detectors use. It tested perfectly and I feel safe and secure now. ...Very loud smoke detector...I always test out my smoke detectors and boy howdy it was loud. I was impressed with the loudness and decided to replace all of my other smoke detectors with the First Alert Dual-sensor Smoke and Fire Alarm, Battery Powered, SA320CN. "

    See all customer reviews

    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.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  9. First Alert - Smoke and Carbon Monoxide Alarm - Works with Ring - White - Front_Zoom
    Top comment

    "Best smoke detector...It works pretty good.this is one of the best smoke detectors I can buy.....First Alert Smoke and CO detectors...Great unit that provides protection through out our home"

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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.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Best smoke detector...It works pretty good.this is one of the best smoke detectors I can buy.....First Alert Smoke and CO detectors...Great unit that provides protection through out our home"

    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.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  10. Google - Nest Protect 2nd Generation (Battery) Smart Smoke/Carbon Monoxide Alarm - White - Angle_Zoom
    Top comment

    "We love our nest protects smoke alarms! Definitely recommend them....Received 3 protection smoke alarms, had them installed in less than 20 minutes, from hanging them up to setting them up in app! "

    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

    "We love our nest protects smoke alarms! Definitely recommend them....Received 3 protection smoke alarms, had them installed in less than 20 minutes, from hanging them up to setting them up in app! "

    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
    See all Smoke & Carbon Monoxide Detectors
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