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First Alert Carbon Monoxide Alarms

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Best Buy customers often prefer the following products when searching for First Alert Carbon Monoxide Alarms.

Carbon Monoxide alarms are capable of detecting carbon monoxide at low levels, so you can be alerted to a leak before it becomes dangerous. The best carbon monoxide alarms are easy to install and have a long battery life. Browse the top-ranked list of First Alert Carbon Monoxide alarms below along with associated reviews and opinions.

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  1. First Alert - Smoke and Carbon Monoxide Alarm - Works with Ring - White - Front_Zoom
    Top comment

    "First Alert Smoke & Carbon Monoxide...We love the security we get from our First Alert wifi connected smoke and carbon monoxide detectors...First Alert Smoke and carbon monoxide detectors...First Alert Smoke and carbon monoxide detectors works and compatible with my Ring"

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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

    "First Alert Smoke & Carbon Monoxide...We love the security we get from our First Alert wifi connected smoke and carbon monoxide detectors...First Alert Smoke and carbon monoxide detectors...First Alert Smoke and carbon monoxide detectors works and compatible with my Ring"

    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
    Your price for this item is $47.99
    Save $2
    The comparable value price is $49.99
    See all Smoke & Carbon Monoxide Detectors
  2. Image Coming Soon - First Alert - Z-Wave Smoke and Carbon Monoxide Detector - White

    Product Description

    Z-wave Smoke and Carbon Monoxide Alarm
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    Your price for this item is $64.99
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  3. First Alert - Smoke and Carbon Monoxide Detector Hardwired - White - Front_Zoom

    Product Description

    First Alert Hardwired Smart Smoke Alarm
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    Your price for this item is $129.99
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  4. SimpliSafe - Smoke & Carbon Monoxide Detector - White - Front_Zoom
    Top comment

    "Great combination and carbon monoxide alarm...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 as the same item that can buy however this Simplisafe detector can monitor and give an alert that goes to my phone. "

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    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 Smoke & Carbon Monoxide Detectors
    Top comment

    "Great combination and carbon monoxide alarm...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 as the same item that can buy however this Simplisafe detector can monitor and give an alert that goes to my phone. "

    See all customer reviews

    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 Smoke & Carbon Monoxide Detectors
    Your price for this item is $69.99
    See all Smoke & Carbon Monoxide Detectors
  5. uHoo - Smart Indoor Air Quality Monitor - White - Front_Zoom

    Model: UHOO-IAS1-M-C-US
    SKU: 6419011
    Top comment

    "Cooking can run your CO2 levels up too. Carbon Monoxide has stayed at zero on my uHoo and my professional CO tester reads the same. ...Thankfully, you can revoke the app's location access in your phone after the air quality monitor has completed both the setup and calibration. -- FEATURES -- The uHoo air quality feature helps to track: - Virus index - Temperature - Humidity - Air pressure - CO2 - VOC - Particulate matter - Carbon monoxide - Nitrogen dioxide - Ozone uHoo not only provides real-time information on each item above, but you can customize your own alert settings to notify you if any/all items are above a safe quantity (especially helpful for carbon monoxide). "

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    Product Description

    Detect allergens and toxins in the air with this uHoo smart indoor air monitor. The uHoo mobile app lets you view nine air quality sensors remotely, providing personalized tips on cleaning the air around your home. This uHoo smart indoor air monitor also features advanced integration capabilities with Amazon Alexa, Google Home, or IFTTT for smooth pairing with air purifiers, dehumidifiers, lights, etc.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Cooking can run your CO2 levels up too. Carbon Monoxide has stayed at zero on my uHoo and my professional CO tester reads the same. ...Thankfully, you can revoke the app's location access in your phone after the air quality monitor has completed both the setup and calibration. -- FEATURES -- The uHoo air quality feature helps to track: - Virus index - Temperature - Humidity - Air pressure - CO2 - VOC - Particulate matter - Carbon monoxide - Nitrogen dioxide - Ozone uHoo not only provides real-time information on each item above, but you can customize your own alert settings to notify you if any/all items are above a safe quantity (especially helpful for carbon monoxide). "

    See all customer reviews

    Product Description

    Detect allergens and toxins in the air with this uHoo smart indoor air monitor. The uHoo mobile app lets you view nine air quality sensors remotely, providing personalized tips on cleaning the air around your home. This uHoo smart indoor air monitor also features advanced integration capabilities with Amazon Alexa, Google Home, or IFTTT for smooth pairing with air purifiers, dehumidifiers, lights, etc.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $299.99
    See all Smoke & Carbon Monoxide Detectors
  6. First Alert - Smoke and Carbon Monoixde Detector Battery Powered - White - Front_Zoom

    Product Description

    First Alert Battery Smart Smoke Alarm
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    Your price for this item is $129.99
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  7. IQAir - AirVisual Pro Air Quality Monitor for PM2.5, CO2, AQI, Temperature, and Humidity - white - Front_Zoom

    Product Description

    Displays real-time indoor PM2.5 and CO2 readings using professional-grade laser sensors. Also displays indoor temperature and humidity readings. Bright LED display contrast indoor PM2.5 readings with outdoor air quality data from your nearest official station. Predictive 3-day air quality forecasting, allows you to plan your outdoor activities. Based upon your indoor readings over time, AirVisual Pro by IQAir offers personalized recommendations to help you improve the air quality in your home or workspace. Using the free AirVisual app, users can view real-time indoor readings from the AirVisual Pro unit in their office or home, no matter where they are in the world. As well as seeing live data from world’s largest global air quality monitoring network of more than 80,000 stations around the world. This includes global readings on 6 key pollutants in those areas, and access to AirVisual Earth: the world’s first 3D air pollution app, showing how air pollution interacts with live weather conditions (forest fires, dust storms, industrial and vehicular pollution)
    See all Smoke & Carbon Monoxide Detectors

    Product Description

    Displays real-time indoor PM2.5 and CO2 readings using professional-grade laser sensors. Also displays indoor temperature and humidity readings. Bright LED display contrast indoor PM2.5 readings with outdoor air quality data from your nearest official station. Predictive 3-day air quality forecasting, allows you to plan your outdoor activities. Based upon your indoor readings over time, AirVisual Pro by IQAir offers personalized recommendations to help you improve the air quality in your home or workspace. Using the free AirVisual app, users can view real-time indoor readings from the AirVisual Pro unit in their office or home, no matter where they are in the world. As well as seeing live data from world’s largest global air quality monitoring network of more than 80,000 stations around the world. This includes global readings on 6 key pollutants in those areas, and access to AirVisual Earth: the world’s first 3D air pollution app, showing how air pollution interacts with live weather conditions (forest fires, dust storms, industrial and vehicular pollution)
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $299.99
    See all Smoke & Carbon Monoxide Detectors
  8. Eve - Room Indoor Air Quality Monitor - Silver - Front_Zoom

    Product Description

    Keep your home's indoor air quality clean and healthy with Eve Room. The award winning indoor air sensor with Apple HomeKit technology measures air quality (VOC), temperature, and humidity levels in your home. Detect harmful VOC levels caused by everyday items, and track when indoor air quality drops. You can then ventilate in good time, and adopt healthy habits by following the history in the Eve app. Eve Room joins your Thread network automatically and is Apple HomeKit enabled for outstanding ease of use with iPhone, iPad, and Apple Watch. Enjoy the freedom to place the wireless indoor air sensor wherever you like - you can recharge the accessory via USB, and control Eve Room directly without any need for a bridge. And the best thing about all Eve accessories is how they protect your privacy: Eve does not harvest your personal data and there is no Eve cloud, so your data won't get exposed.
    See all Smoke & Carbon Monoxide Detectors

    Product Description

    Keep your home's indoor air quality clean and healthy with Eve Room. The award winning indoor air sensor with Apple HomeKit technology measures air quality (VOC), temperature, and humidity levels in your home. Detect harmful VOC levels caused by everyday items, and track when indoor air quality drops. You can then ventilate in good time, and adopt healthy habits by following the history in the Eve app. Eve Room joins your Thread network automatically and is Apple HomeKit enabled for outstanding ease of use with iPhone, iPad, and Apple Watch. Enjoy the freedom to place the wireless indoor air sensor wherever you like - you can recharge the accessory via USB, and control Eve Room directly without any need for a bridge. And the best thing about all Eve accessories is how they protect your privacy: Eve does not harvest your personal data and there is no Eve cloud, so your data won't get exposed.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $99.99
    See all Smoke & Carbon Monoxide Detectors
  9. SimpliSafe - 7pc Indoor Security System - White - Front_Zoom
    Top comment

    "I plan to expand my setup with cameras, possibly a doorbell, as well as smoke detectors and carbon monoxide alarms. I'm looking to move away from Nest, especially since its security system has reached the end of its life as of 2024. ...Pros: - Easy setup - Monitoring available after 30-day trial - Various other devices can be connected to the base unit including various sensors: water leak, carbon monoxide, smoke/carbon monoxide, temperature - Support for SimpliSafe wireless outdoor or indoor cameras, SimpliSafe Wireless doorbell with camera. - Capacity for up to 100 devices/sensors - Backup cellular connection included with most plans - Cloud camera recording only plan available if you connect a SimpliSafe camera equipped device (no monitoring) - Text (with monitoring subscription) and App notifications Cons: - Monitoring subscriptions are highly recommended to fully utilize the functionality of the system. - Relies on cloud recording, no local video storage from SimpliSafe camera you may attach to the system."

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    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. That’s the unmatched combination that separates SimpliSafe Home Security from the others. At SimpliSafe, we believe everyone deserves to feel safe at home. That's why our bundles are designed to be effective yet affordable. And with no long-term contracts or hidden fees.This 7-piece wireless security bundle provides 24/7 protection. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection with a professional monitoring plan, plus a back up battery that lasts up to 24 hours and a loud, 100 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Security Camera & System Accessories
    Top comment

    "I plan to expand my setup with cameras, possibly a doorbell, as well as smoke detectors and carbon monoxide alarms. I'm looking to move away from Nest, especially since its security system has reached the end of its life as of 2024. ...Pros: - Easy setup - Monitoring available after 30-day trial - Various other devices can be connected to the base unit including various sensors: water leak, carbon monoxide, smoke/carbon monoxide, temperature - Support for SimpliSafe wireless outdoor or indoor cameras, SimpliSafe Wireless doorbell with camera. - Capacity for up to 100 devices/sensors - Backup cellular connection included with most plans - Cloud camera recording only plan available if you connect a SimpliSafe camera equipped device (no monitoring) - Text (with monitoring subscription) and App notifications Cons: - Monitoring subscriptions are highly recommended to fully utilize the functionality of the system. - Relies on cloud recording, no local video storage from SimpliSafe camera you may attach to the system."

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. That’s the unmatched combination that separates SimpliSafe Home Security from the others. At SimpliSafe, we believe everyone deserves to feel safe at home. That's why our bundles are designed to be effective yet affordable. And with no long-term contracts or hidden fees.This 7-piece wireless security bundle provides 24/7 protection. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection with a professional monitoring plan, plus a back up battery that lasts up to 24 hours and a loud, 100 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Security Camera & System Accessories
    Your price for this item is $114.99
    Save $115
    The comparable value price is $229.99
    See all Security Camera & System Accessories
  10. SimpliSafe - Smoke Detector - White - Front_Zoom

    Model: SSSD3
    SKU: 6520590
    Top comment

    "These alarms work very well with the simplisafe system!...The only two downfalls I see to this smoke detector is: 1: There should be a way to say "I'm just cooking" to stop the alarm, and 2: It would be great if it also acted as a carbon monoxide detector as well."

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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 Security Camera & System Accessories
    Top comment

    "These alarms work very well with the simplisafe system!...The only two downfalls I see to this smoke detector is: 1: There should be a way to say "I'm just cooking" to stop the alarm, and 2: It would be great if it also acted as a carbon monoxide detector as well."

    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 Security Camera & System Accessories
    Your price for this item is $44.99
    See all Security Camera & System Accessories
  11. SimpliSafe - 9pc Outdoor Home Security System - White - Front_Zoom
    Top comment

    "The service comes with a 1 month free trial and any alarms and video recordings will go to the monitoring center and alert first responders. ...Motion detection is responsive, but not as advanced as some higher-end systems with AI-based tracking. Monitoring & Alerts – ⭐⭐⭐⭐½ (4.5/5) SimpliSafe is very good with real-time alerts and professional monitoring. "

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect™ Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. That’s the unmatched combination that separates SimpliSafe Home Security from the others. At SimpliSafe, we believe everyone deserves to feel safe at home. That's why our bundles are designed to be effective yet affordable. And with no long-term contracts or hidden fees. This 9-piece wireless security bundle provides 24/7 protection from the outside in. Starting outside, the Outdoor Security Camera Series 2 (2 total)keeps watch with a 140 degree field of view, 1080p HD resolution and color night vision, and includes 2-way audio. With the included power cables, the Outdoor Camera can help prevent crime before it happens with SimpliSafe Active Guard Outdoor Protection (available with select monitoring plans). The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection with a professional monitoring plan, plus a back up battery that lasts up to 24 hours and a loud, 100 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And the Motion Sensor is designed for human detection, not pet detection.Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    Top comment

    "The service comes with a 1 month free trial and any alarms and video recordings will go to the monitoring center and alert first responders. ...Motion detection is responsive, but not as advanced as some higher-end systems with AI-based tracking. Monitoring & Alerts – ⭐⭐⭐⭐½ (4.5/5) SimpliSafe is very good with real-time alerts and professional monitoring. "

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect™ Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. That’s the unmatched combination that separates SimpliSafe Home Security from the others. At SimpliSafe, we believe everyone deserves to feel safe at home. That's why our bundles are designed to be effective yet affordable. And with no long-term contracts or hidden fees. This 9-piece wireless security bundle provides 24/7 protection from the outside in. Starting outside, the Outdoor Security Camera Series 2 (2 total)keeps watch with a 140 degree field of view, 1080p HD resolution and color night vision, and includes 2-way audio. With the included power cables, the Outdoor Camera can help prevent crime before it happens with SimpliSafe Active Guard Outdoor Protection (available with select monitoring plans). The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection with a professional monitoring plan, plus a back up battery that lasts up to 24 hours and a loud, 100 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And the Motion Sensor is designed for human detection, not pet detection.Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    Your price for this item is $224.99
    Save $225
    The comparable value price is $449.99
    See all Home Security Systems
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