10 Best Smart Smoke & Carbon Monoxide Detectors for Home Safety 

Discover the best smart smoke and carbon monoxide detectors with instant alerts, voice notifications, and smart home integration to keep your family safe.

Home safety is no longer limited to traditional smoke alarms. Modern smart smoke and carbon monoxide detectors provide real-time notifications, voice alerts, and remote monitoring, helping homeowners respond quickly to emergencies even when they are away. 

Unlike standard detectors that only sound a local alarm, smart detectors instantly send notifications to your smartphone whenever smoke or dangerous carbon monoxide levels are detected. Many models also integrate with Google Home, Amazon Alexa, Apple Home, and Matter, allowing them to work alongside other smart home devices for a complete home safety system. 

Carbon monoxide is often called the “silent killer” because it has no color, smell, or taste. A smart detector that monitors both smoke and carbon monoxide provides an extra layer of protection for your family. 

With many products available, choosing the right detector can be difficult. Some focus on advanced smart home integration, while others prioritize battery life, voice alerts, or affordability. 

To help you make the best decision, we’ve compared the best smart smoke and carbon monoxide detectors based on reliability, detection accuracy, smart features, ease of installation, mobile app performance, and overall value. 

10 Best Smart Home Devices That Save Time and Energy  

Quick Comparison Table 

Smart Detector	Best For	Smoke Detection	CO Detection	Smart Home Support
Google Nest Protect	Best Overall	✔	✔	Google Home
First Alert Onelink Safe & Sound	Apple Users	✔	✔	Apple Home
Kidde Smart Smoke Detector	Best Value	✔	✔	Alexa, Google
X-Sense Smart Detector	Budget Pick	✔	✔	Mobile App
Ring Alarm Smoke Listener	Ring Users	Smoke Listener	No	Alexa
Aqara Smoke Detector	Matter Homes	✔	No	Matter
Ecoey Smart Smoke Alarm	Budget Option	✔	No	Tuya App
Heiman Zigbee Detector	Home Automation	✔	No	Zigbee
Meross Smart Smoke Alarm	Wi-Fi Homes	✔	No	Google, Alexa
YoLink Smart Smoke Detector	Long Range	✔	✔	Alexa

Why Trust Our Recommendations? 

A smoke detector is one of the most important safety devices in any home. For that reason, our recommendations focus on more than just smart features. 

We evaluated each model based on: 

• Detection reliability  
• Mobile app quality  
• Notification speed  
• Voice assistant compatibility  
• Smart home integration  
• Battery life  
• Ease of installation  
• Long-term value  
• Customer satisfaction  

Rather than simply comparing specifications, we’ve focused on products that provide dependable performance when it matters most. 

1. Google Nest Protect – Best Overall 

The Google Nest Protect is widely regarded as one of the most advanced smart smoke and carbon monoxide detectors available. It combines highly accurate sensors with intelligent voice alerts, smartphone notifications, and seamless Google Home integration. 

Instead of triggering a loud alarm immediately for minor issues like burnt toast, Nest Protect first provides a spoken warning, giving you time to respond before the full alarm activates. This thoughtful approach helps reduce unnecessary panic while still keeping your home protected. 

The accompanying Google Home app allows you to monitor every detector in your home, receive emergency notifications while you’re away, and check the device’s status at any time. It also performs automatic self-tests to ensure the sensors remain operational. 

Key Features 

• Smoke and carbon monoxide detection  
• Voice alerts  
• Smartphone notifications  
• Automatic self-testing  
• Night Path light  
• Google Home integration  
• Battery and wired versions available  

Advantages 

Google Nest Protect offers one of the best user experiences available. Its intelligent alerts, reliable sensors, and excellent app make it a top choice for homeowners seeking premium protection. 

Things to Consider 

It costs more than most competitors, but the additional smart features and reliability justify the higher price for many users. 

Best For 

Homeowners who want premium smart home safety with advanced notifications and Google Home integration. 

2. First Alert Onelink Safe & Sound – Best for Apple Home Users 

The First Alert Onelink Safe & Sound is more than just a smoke and carbon monoxide detector. It combines advanced home safety features with a built-in premium speaker and seamless Apple Home integration, making it an excellent choice for Apple users who want both safety and smart home convenience. 

When smoke or carbon monoxide is detected, the device sends instant notifications to your smartphone while providing clear voice alerts that identify the exact location of the danger. This feature helps family members respond quickly during emergencies. 

The detector also works with Amazon Alexa, allowing users to control smart home devices through voice commands. 

Key Features 

• Smoke and carbon monoxide detection  
• Apple Home compatibility  
• Built-in premium speaker  
• Voice alerts  
• Smartphone notifications  
• Alexa support  
• Battery backup  

Advantages 

The combination of home safety and smart speaker functionality makes this detector unique. It delivers reliable emergency alerts while also serving as part of your smart home entertainment system. 

Things to Consider 

Its price is higher than standard smoke detectors, and many of its premium features are most beneficial for users already invested in the Apple ecosystem. 

Best For 

Apple Home users looking for a premium all-in-one smart safety device. 

3. Kidde Smart Smoke & Carbon Monoxide Detector – Best Value 

The Kidde Smart Smoke & Carbon Monoxide Detector offers dependable protection at a more affordable price than many premium competitors. It provides dual detection for smoke and carbon monoxide while sending instant notifications through its mobile app whenever an alarm is triggered. 

Installation is straightforward, and the detector supports Google Assistant and Amazon Alexa, making it easy to integrate into an existing smart home. 

The companion app also allows homeowners to monitor battery status, receive maintenance reminders, and check alarm history from anywhere. 

Key Features 

• Dual smoke and CO detection  
• Wi-Fi connectivity  
• Smartphone alerts  
• Voice assistant support  
• Battery monitoring  
• Easy installation  
• Self-testing sensors  

Advantages 

Kidde provides excellent value by combining essential smart features with dependable safety performance. It is a great option for homeowners upgrading from traditional smoke alarms. 

Things to Consider 

While the app is reliable, it doesn’t offer as many advanced automation features as some premium smart home brands. 

Best For 

Families seeking reliable smart protection at a reasonable price. 

Matter Smart Home: Everything You Need to Know  

4. X-Sense Smart Smoke & Carbon Monoxide Detector – Best Budget Choice 

The X-Sense Smart Detector is designed for homeowners who want dependable protection without spending a premium price. It continuously monitors both smoke and carbon monoxide while sending real-time alerts through the X-Sense mobile app. 

One of its biggest advantages is its interconnected alarm system. If one detector identifies danger, all connected detectors throughout the home sound simultaneously, ensuring everyone is alerted regardless of where they are. 

Its compact design blends easily into most home interiors while remaining simple to install. 

Key Features 

• Smoke and carbon monoxide detection  
• Smartphone notifications  
• Interconnected alarms  
• Long battery life  
• Easy installation  
• Mobile app support  
• Self-testing capability  

Advantages 

X-Sense delivers reliable protection with excellent value for money. The interconnected alarm feature significantly improves home safety in larger houses. 

Things to Consider 

It offers fewer smart home integrations than premium competitors such as Google Nest Protect. 

Best For 

Homeowners looking for affordable smart safety without sacrificing reliability. 

5. Ring Alarm Smoke Listener – Best for Ring Security Systems 

The Ring Alarm Smoke Listener takes a different approach compared to traditional smart smoke detectors. Rather than replacing your existing smoke alarm, it listens for the sound of your current alarm and immediately sends notifications through the Ring app when it detects an emergency. 

This makes it an excellent upgrade for homeowners who already have working smoke alarms and a Ring Alarm security system. 

When connected to Amazon Alexa, users can also receive voice announcements through Echo devices, helping ensure emergency alerts are heard throughout the home. 

Key Features 

• Works with existing smoke alarms  
• Smartphone alerts  
• Alexa integration  
• Ring Alarm compatibility  
• Quick installation  
• Remote notifications  
• Compact design  

Advantages 

The Ring Smoke Listener offers an affordable way to add smart notifications to an existing smoke alarm system without replacing every detector in your home. 

Things to Consider 

It does not directly detect smoke or carbon monoxide. Instead, it relies on hearing an existing smoke alarm, so it should be used as an enhancement rather than a replacement. 

Best For 

Homeowners already using the Ring Alarm ecosystem who want smart notifications from their existing smoke alarms. 

Comparison So Far 

Model	Smoke Detection	CO Detection	Best For
Google Nest Protect	✔	✔	Overall Best
First Alert Onelink Safe & Sound	✔	✔	Apple Home Users
Kidde Smart Detector	✔	✔	Best Value
X-Sense Smart Detector	✔	✔	Budget Pick
Ring Alarm Smoke Listener	Existing Alarm Only	✖	Ring Users

6. Aqara Smart Smoke Detector – Best for Matter and Zigbee Smart Homes 

The Aqara Smart Smoke Detector is an excellent option for homeowners who already use the Aqara ecosystem or want to build a future-ready smart home. Using Zigbee technology, it provides faster response times and greater reliability than many Wi-Fi-only devices. 

When paired with an Aqara Hub, the detector can trigger advanced automation routines. For example, if smoke is detected, it can automatically turn on smart lights, unlock compatible smart door locks, or send instant notifications to your smartphone. 

Support for Matter also improves compatibility with multiple smart home platforms, making it a strong long-term investment. 

Key Features 

• Smoke detection  
• Zigbee connectivity  
• Matter compatibility  
• Smartphone notifications  
• Loud built-in alarm  
• Home automation support  
• Long battery life 

Advantages 

Fast response times, reliable wireless communication, and advanced automation make the Aqara detector an excellent choice for modern smart homes. 

Things to Consider 

Many smart features require an Aqara Hub for full functionality. 

Best For 

Homeowners building a Matter-compatible smart home with advanced automation. 

7. Ecoey Smart Smoke Alarm – Best Budget Smart Alarm 

The Ecoey Smart Smoke Alarm is designed for homeowners who want smart notifications without spending a premium price. Despite its affordability, it provides dependable smoke detection and remote smartphone alerts through the Tuya Smart app. 

Installation is quick, and multiple alarms can be grouped together for larger homes. The compact design blends easily with most ceilings while offering continuous monitoring throughout the day. 

Although it lacks carbon monoxide detection, it remains an excellent entry-level smart smoke alarm. 

Key Features 

• Smoke detection  
• Wi-Fi connectivity  
• Smartphone alerts  
• Tuya Smart app  
• Group device support  
• Easy installation  
• Battery powered  

Advantages 

Ecoey offers a simple and affordable way to upgrade from a traditional smoke alarm while gaining remote monitoring capabilities. 

Things to Consider 

It does not include carbon monoxide detection or advanced automation features. 

Best For 

Budget-conscious homeowners seeking basic smart smoke detection. 

8. Heiman Zigbee Smoke Detector – Best for Home Automation 

The Heiman Zigbee Smoke Detector is designed for users who prioritize smart home automation. Instead of relying solely on Wi-Fi, it uses Zigbee technology, which provides a more stable and energy-efficient wireless connection. 

When integrated with compatible smart home hubs, the detector can trigger lighting, security systems, sirens, and other automation routines during emergencies. 

Its low power consumption also helps extend battery life compared to many Wi-Fi alternatives. 

Key Features 

• Smoke detection  
• Zigbee connectivity  
• Smart hub compatibility  
• Home automation  
• Loud alarm  
• Battery powered  
• Long battery life  

Advantages 

Reliable Zigbee communication makes this detector ideal for homeowners with larger smart home networks. 

Things to Consider 

A compatible Zigbee hub is required to access most smart features. 

Best For 

Users building an advanced home automation system using Zigbee devices. 

10 Best Smart Plugs for Home Automation

9. Meross Smart Smoke Alarm – Best Wi-Fi Smart Smoke Detector 

The Meross Smart Smoke Alarm offers dependable smoke detection together with easy Wi-Fi connectivity. Unlike Zigbee-based devices, it connects directly to your home network without requiring a separate hub. 

Through the Meross app, homeowners receive instant alerts whenever smoke is detected. The detector also supports Google Assistant and Amazon Alexa, making it easy to integrate with existing smart home systems. 

Its straightforward installation process makes it particularly suitable for first-time smart home users. 

Key Features 

• Smoke detection  
• Wi-Fi connectivity  
• Smartphone notifications  
• Google Assistant support  
• Amazon Alexa support  
• Battery monitoring  
• Self-testing 

Advantages 

Direct Wi-Fi connectivity simplifies installation while still offering reliable smart notifications. 

Things to Consider 

It focuses primarily on smoke detection and does not include carbon monoxide monitoring. 

Best For 

Homeowners wanting a simple Wi-Fi smart smoke detector with voice assistant compatibility. 

10. YoLink Smart Smoke & Carbon Monoxide Detector – Best Long-Range Performance 

The YoLink Smart Smoke & Carbon Monoxide Detector stands out because of its exceptionally long wireless communication range. Using LoRa technology instead of traditional Wi-Fi, it maintains stable connections even in large homes, garages, workshops, and outbuildings. 

The detector continuously monitors both smoke and carbon monoxide while sending instant smartphone alerts whenever danger is detected. Combined with the YoLink Hub, it also supports home automation routines and remote monitoring. 

Its long battery life further reduces maintenance, making it a dependable option for homeowners seeking reliable protection. 

Key Features 

• Smoke detection  
• Carbon monoxide detection  
• LoRa wireless technology  
• Long communication range  
• Smartphone notifications  
• Home automation support  
• Long battery life  

Advantages 

Excellent wireless range and dependable performance make the YoLink detector particularly suitable for larger properties where Wi-Fi coverage may be limited. 

Things to Consider 

A YoLink Hub is required to unlock all smart features. 

Best For 

Large homes, detached garages, workshops, and properties requiring long-range wireless coverage. 

Comparison Table 

Model	Smoke	Carbon Monoxide	Smart Platform	Best For
Google Nest Protect	✅	✅	Google Home	Best Overall
First Alert Onelink	✅	✅	Apple Home	Apple Users
Kidde Smart Detector	✅	✅	Google & Alexa	Best Value
X-Sense Smart Detector	✅	✅	Mobile App	Budget Pick
Ring Smoke Listener	✔ Existing Alarm	❌	Alexa	Ring Users
Aqara Smoke Detector	✅	❌	Matter	Smart Homes
Ecoey Smart Alarm	✅	❌	Tuya	Budget Option
Heiman Zigbee	✅	❌	Zigbee	Automation
Meross Smart Alarm	✅	❌	Google & Alexa	Wi-Fi Homes
YoLink Smart Detector	✅	✅	YoLink	Large Homes

10 Best Smart Video Doorbells for Home Security  

Smart Smoke & Carbon Monoxide Detector Buying Guide 

A smart smoke and carbon monoxide detector is one of the most valuable safety devices you can install in your home. While traditional alarms simply sound when danger is detected, smart detectors provide instant smartphone alerts, voice notifications, and integration with your smart home system. 

Before buying one, consider the following factors. 

1. Smoke and Carbon Monoxide Detection 

Not every smart detector monitors both smoke and carbon monoxide. 

For the highest level of protection, choose a detector that combines both sensors in a single device. Smoke detectors help identify fires, while carbon monoxide sensors detect a dangerous gas that cannot be seen, smelled, or tasted. 

Dual-sensor models offer more comprehensive home protection without requiring two separate devices. 

2. Smart Home Compatibility 

If you already use smart home devices, choose a detector that works with your preferred ecosystem. 

Popular options include: 

• Google Home  
• Amazon Alexa  
• Apple Home  
• Matter  
• SmartThings  

A compatible detector can become part of your existing automation routines. For example, if smoke is detected, compatible smart lights can switch on automatically, or smart locks can unlock to make evacuation easier. 

3. Mobile Alerts 

One of the biggest advantages of a smart detector is the ability to receive notifications wherever you are. 

Instead of discovering an emergency after returning home, you’ll receive an instant alert on your smartphone, allowing you to contact neighbors or emergency services if necessary. 

This feature is especially valuable for homeowners who travel frequently. 

4. Power Source 

Smart detectors are available in both battery-powered and hardwired versions. 

Battery-powered models are generally easier to install and work well in existing homes. Hardwired models often include battery backup and are commonly used in newly constructed houses. 

Choose the option that best matches your home’s electrical setup. 

5. Self-Testing and Maintenance 

Many premium detectors automatically test their sensors and notify you when maintenance is required. 

Look for features such as: 

• Automatic self-testing  
• Low battery alerts  
• Sensor health monitoring  
• Mobile maintenance reminders 

These features reduce the chance of discovering a problem only when an emergency occurs. 

Benefits of Smart Smoke Detectors 

Upgrading from a traditional smoke alarm offers several important advantages. 

Some of the biggest benefits include: 

• Instant smartphone notifications  
• Carbon monoxide detection  
• Voice alerts identifying the affected room  
• Smart home automation  
• Remote monitoring  
• Self-testing sensors  
• Improved family safety  
• Better awareness while travelling 

For many homeowners, these features provide additional peace of mind without requiring major changes to their home. 

Installation Tips 

Installing a smart smoke detector is usually straightforward, but following a few best practices can improve performance. 

• Install detectors on every floor of your home.  
• Place alarms outside each bedroom.  
• Avoid installing detectors too close to kitchens or bathrooms, where steam may trigger false alarms.  
• Test the detector after installation.  
• Replace batteries as recommended by the manufacturer.  
• Clean detectors periodically to prevent dust buildup.

Proper placement is just as important as choosing the right detector.

FAQs