Best Nest Smoke And Carbon Monoxide Alarm of 2025
Last updated on 27/09/2025
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Best Choice
1
X-Sense Wi-Fi Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smart Smoke Alarm for Home with Replaceable Battery, XP0A-iR, 2-Pack
X-Sense
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X-Sense
X-Sense Wi-Fi Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smart Smoke Alarm for Home with Replaceable Battery, XP0A-iR, 2-Pack
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Why we love it
- Dual protection for safety.
- Talking alarm for emergencies.
- Long-lasting 10-year lifespan.
Main Highlights
- Attention: The Smart Combination Smoke and Carbon Monoxide Alarm XP0A-iR connects to the app over Wi-Fi without a base station; XP0A-iR devices are not interlinked and operate independently
- Talking Alarm Says the Location: Quickly and accurately react to the danger thanks to this smoke and carbon monoxide alarm which announces the location of the emergency: ‘Warning! Smoke detected in Living Room. Evacuate.’ and ‘Warning! Carbon monoxide detected in Master Bedroom. Move to fresh air.’
- Dual Protection: Keep your family safe from both smoke and carbon monoxide with a photoelectric smoke sensor and an electrochemical CO sensor in a single device; peace of mind comes in one alarm
- Stay Informed: Get app updates on the alarm, such as low battery, silence mode, test mode and Wi-Fi connection, so you always know what’s going on and that you are being kept safe
- Share with Family: Share devices with up to 12 family members at no additional cost using the X-Sense Home Security App; authorized users can receive alerts, view the alarm history, and remotely silence the device, giving everyone control of their home safety anytime, anywhere
- Ultra-Slim Design, Loud Alarm: The simple and elegant design of this smoke and carbon monoxide alarm blends seamlessly into your home decor and its dual function saves you from having two devices; the 85 dB alarm ensures you can hear it wherever you are in the house
- 10-Year Service Life: Protect your family for up to a decade with a single alarm made to be durable with flame-retardant ABS material and long-lasting sensors
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Value for Money
2
X-Sense Wi-Fi Smoke Alarms for Home with SBS50 Base Station, Wireless Interlinked Smart Smoke Alarm Home Security System, Smart Fire Alarm, Compatible with X-Sense Home Security APP, FS31
X-Sense
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X-Sense
X-Sense Wi-Fi Smoke Alarms for Home with SBS50 Base Station, Wireless Interlinked Smart Smoke Alarm Home Security System, Smart Fire Alarm, Compatible with X-Sense Home Security APP, FS31
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Why we love it
- Push notifications ensure constant monitoring.
- Interconnectivity enhances holistic protection.
- Easy and efficient operation.
Main Highlights
- Never Miss an Alarm: Whenever smoke is detected, you’ll get an immediate alert on your phone; at the same time, the base station and each linked alarm will sound loudly, letting everyone at home know to evacuate
- Build a Smart Home Safety System: The SBS50 base station supports up to 50 devices including the XS01-M smoke alarm , XP02S-MR smoke alarm (with English voice alerts), XS0B-MR smoke alarm (with English voice alerts), XC01-M carbon monoxide alarm, XP0A-MR smoke and carbon monoxide alarm (with English voice alerts) and other alarms like the XH02-M heat alarm, STH51 thermo-hygrometer and SWS51 water leak detector; the 500-meter open-air connection range means you can secure every corner
- Instant Status Alerts: Monitor your home from anywhere and receive instant notifications for alarms, low battery warnings, faults, and more via the X-Sense Home Security app; you'll also get a notification when the danger has passed
- Control with One Button: Easily connect the base station to your Wi-Fi with one button, and quickly silence your entire system by tapping the silence button in the app or on the base station
- Test from the App: Enjoy instant and easy peace of mind by testing the smart fire alarm from within the app, without having to climb a ladder to press a button on the device itself
- Loud and Clear Sound: The X-Sense smart smoke alarm system features a powerful 100 dB alarm in the base station and 85 dB alarms in all interconnected smoke detectors, ensuring that everyone in your home is alerted of any danger, regardless of their location
- Share the Convenience: The handy Family Sharing feature allows up to 12 family members to control the device using the X-Sense app – receive push notifications, test/silence devices, check the alarm status and more
- Full Kit Provided: 1 SBS50 base station, 3 XS01-M smoke alarms, 1 power adapter, and 1 power cable included; simply download the X-Sense Home Security app and add the devices via a 2.4 GHz Wi-Fi network (incompatible with 5 GHz) to start protecting your home the smart way
- High Quality: This premium smoke alarm conforms to EN 14604 standard
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3
Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector - The Smoke Alarm That That Others Look Up To (Battery) 3 Pack
Google
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Google
Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector - The Smoke Alarm That That Others Look Up To (Battery) 3 Pack
Why we love it
- Alerts your phone instantly.
- Detects fast and slow fires.
- Easy installation within minutes.
Main Highlights
- The smoke alarm that others look up to. Nest Protect is a smoke and carbon monoxide alarm with a split-spectrum smoke sensor to detect both fast -and slow-burning fires. It can send an alert to your phone, speak to you and even light the way in the dark
- It tells you what the danger is and where it is. The Split-Spectrum Sensor looks for both fast-and slow-burning fires. It also has a 10 year CO sensor so that it can tell you where poisonous, invisible CO is hiding.
- You'll know, from anywhere. Nest Protect can alert your phone when something is wrong at home. You'll receive a message if the alarm goes off, if the batteries start to run low or if a sensor isn't working. And you can silence your Nest Protect using the Nest app
- Thoughtful, not annoying. Nest Protect checks itself over 400 times a day and lets you know if something is wrong. It also has Steam Check, so a nice, relaxing shower shouldn't cause your alarm to shout at you. And Pathlight, so it can light your way at night
- Easy to install. Nest Protect only takes minutes to set up with your iOS or Android device. Once you've added each of your Nest Protects to your Nest account, they will automatically connect to each other. Nest Protect is also simple to attach to the ceiling, thanks to a neatly designed back plate
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4
Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Battery)
Google
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Google
Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Battery)
Why we love it
- Alerts your phone promptly.
- Detects fast and slow fires.
- Easy connectivity and installation.
Main Highlights
- The smoke alarm that others look up to. Nest Protect is a smoke and carbon monoxide alarm with a split-spectrum smoke sensor to detect both fast -and slow-burning fires. It can send an alert to your phone, speak to you and even light the way in the dark
- It tells you what the danger is and where it is. The Split-Spectrum Sensor looks for both fast-and slow-burning fires. It also has a 10 year CO sensor so that it can tell you where poisonous, invisible CO is hiding.
- You'll know, from anywhere. Nest Protect can alert your phone when something is wrong at home. You'll receive a message if the alarm goes off, if the batteries start to run low or if a sensor isn't working. And you can silence your Nest Protect using the Nest app
- Thoughtful, not annoying. Nest Protect checks itself over 400 times a day and lets you know if something is wrong. It also has Steam Check, so a nice, relaxing shower shouldn't cause your alarm to shout at you. And Pathlight, so it can light your way at night
- Easy to install. Nest Protect only takes minutes to set up with your iOS or Android device. Once you've added each of your Nest Protects to your Nest account, they will automatically connect to each other. Nest Protect is also simple to attach to the ceiling, thanks to a neatly designed back plate
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5
Google Nest S3000BWDE Protect 2 Generation Smoke and Carbon Monoxide Detector, Set of 1, White
Google
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Google
Google Nest S3000BWDE Protect 2 Generation Smoke and Carbon Monoxide Detector, Set of 1, White
Why we love it
- Smartphone alerts and notifications.
- Talks to you directly.
- Easy installation process.
Main Highlights
- The smoke detector that attracts everyone's attention: Nest Protect is a smoke and carbon monoxide (CO) detector that can detect both fast burning, open fires and slow smoldering fires with a fire spectrum sensor. Nest Protect can send a warning to your smartphone, talk to you and even light up your way at night
- Nest Protect tells you the type and place of danger: The fire spectrum sensor detects both fast burning fires and slow smoldering fires. It is equipped with a carbon monoxide sensor (lifespan 10 years) so it can tell you where toxic, invisible carbon monoxide lurks. All your Nest Protects clearly tell you the type and place of danger at the same time
- You always have everything in view: Nest Protect sends a warning to your smartphone if there is a problem at home. You will receive a message when an alarm is triggered, the battery level is low, or a sensor fails. And via the Nest app, you can mute your Nest Protect in case of false alarm
- Intelligent, not annoying: Nest Protect tests itself over 400 times a day and automatically once a month the speaker and siren and notifies you if there is a problem. It also has steam detection so that a pleasant shower does not trigger a false alarm. And the night light glows your way in the dark
- Easy installation: Nest Protect is powered by six lithium long term batteries in size AA (included). Setting up Nest Protect with your iOS or Android device takes only a few minutes. After you add your Nest Protect devices to your Nest account, they automatically network with each other. Nest Protect can be easily mounted on the ceiling thanks to a practical suspension
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6
Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Wired)
Google
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Google
Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Wired)
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Why we love it
- Detects both fire types.
- Alerts phone from anywhere.
- Easy installation and setup.
Main Highlights
- The smoke alarm that others look up to. Nest Protect is a smoke and carbon monoxide alarm with a split-spectrum smoke sensor to detect both fast -and slow-burning fires. It can send an alert to your phone, speak to you and even light the way in the dark
- It tells you what the danger is and where it is. The Split-Spectrum Sensor looks for both fast-and slow-burning fires. It also has a 10 year CO sensor so that it can tell you where poisonous, invisible CO is hiding
- You'll know, from anywhere. Nest Protect can alert your phone when something is wrong at home. You'll receive a message if the alarm goes off, if the batteries start to run low or if a sensor isn't working. And you can silence your Nest Protect using the Nest app
- Thoughtful, not annoying. Nest Protect checks itself over 400 times a day and lets you know if something is wrong. It also has Steam Check, so a nice, relaxing shower shouldn't cause your alarm to shout at you. And Pathlight, so it can light your way at night
- Easy to install. Nest Protect only takes minutes to set up with your iOS or Android device. Once you've added each of your Nest Protects to your Nest account, they will automatically connect to each other. Nest Protect is also simple to attach to the ceiling, thanks to a neatly designed back plate
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7
Google Nest Protect 2nd generation smoke and carbon monoxide detector (wired)
Nest
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Nest
Google Nest Protect 2nd generation smoke and carbon monoxide detector (wired)
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Why we love it
- Compact and space-efficient design.
- Reliable AC power source.
- Ideal for varied setups.
Main Highlights
- Power Source: AC
- Pack Size: 7.3 L x 16.0 H x 16.0 W (cm)
- Power Source: AC
- Energyequelle: Corriente Alterna
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8
Nest Protect 2nd Generation Smoke + Carbon Monoxide Alarm (Wired) with Amazon Basics Batteries
Nest
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Nest
Nest Protect 2nd Generation Smoke + Carbon Monoxide Alarm (Wired) with Amazon Basics Batteries
Why we love it
- Custom alarms enhance safety.
- Phone alerts prevent emergencies.
- Long-lasting, leak-proof batteries.
Main Highlights
- Voice alarms with custom location
- Phone alerts include: - Low-battery - Smoke - Carbon monoxide - Sensor failure
- Pack of 20 AA Alkaline 1.5 Volt Batteries
- Improved anti-corrosion components and new zinc composition give the batteries a 10-year, anti-leak shelf life
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9
First Alert SMCO600NV Combined Alarm, White
First Alert
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First Alert
First Alert SMCO600NV Combined Alarm, White
Why we love it
- Compatible with Google Nest Protect.
- Sends alerts to your phone.
- Voice alerts specify hazard location.
Main Highlights
- Compatible with Google Nest Protect Alarm
- Sends alerts to your phone if smoke and CO are detected through the app First Alert
- Interconnect so that when an alarm sounds, all compatible alarms in the sound of the house
- Warns when batteries are low, eliminating night noise
- Voice Alerts with Heads-Up Warning tell you the type and location of the hazard in your home
- Equipped with precision detection technology to help reduce harmful alarms and provide early warning
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10
XINDUM Wireless Interlinked Smoke alarms for Home, Heat Alarm，Carbon Monoxide Detector Bundle with Remote Control, 10 Year Battery Life,Scotland and England Law Compliant,6 PACK
XINDUM
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XINDUM
XINDUM Wireless Interlinked Smoke alarms for Home, Heat Alarm，Carbon Monoxide Detector Bundle with Remote Control, 10 Year Battery Life,Scotland and England Law Compliant,6 PACK
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Why we love it
- Complete home protection bundle.
- Wireless interlinked smoke alarms.
- 10-year battery life.
Main Highlights
- Complete Home Protection Bundle: Includes 3 x Smoke Alarms, 1 x Heat Alarm, 1 x Carbon Monoxide Alarm，1 x Remote Controller.(This bundle is "pre-linked" when it leaves the factory.Just turn it on and test ）
- Wireless Interlinked Smoke Alarms: ： All alarms are wirelessly connected to each other. If one alarm is triggered - all the alarms will sound together. This ensures that all areas of your home are protected and an 85dB alarm sounds to alert all occupants
- 10-Year Battery Life: The Alarms are equipped with sealed in Lithium battery which can support the alarms for 10 years in standby status. No wiring and sockets required. It can be placed anywhere you want.
- Test/Silent mode: Once the smoke alarm detect smoke and goes off, you can silence the alarm for 10 minutes by pressing the power button (in the middle of the cover) once. The detector will return to normal mode after 10 minutes. Maximum number of links: 30 pieces per group. Linkable distance: within 100m outdoors.
- Meets Regulatory Standards: CO alarm: Comply with EN 50291 standard, Smoke alarms: Comply with EN14604 standard. CE Certified, equipped with high accuracy and reliable electrochemical or photoelectric sensor, continuously provide protection for your families and property.
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