Looking for the best smart smoke and CO detectors to keep your home safe in 2025? I’ve researched top models from brands like X-Sense and First Alert, featuring fast detection, reliable connectivity, and long-lasting batteries. Many support Wi-Fi, Z-Wave, or smart home integration, making them easy to manage remotely. With options that include voice alerts, multi-user sharing, and simple installation, there’s a solution for every home. Keep going to discover the top picks and smart safety tips!
Key Takeaways
- The top smart smoke and CO detectors offer fast, reliable detection with Wi-Fi connectivity and app management for remote safety.
- Many models feature long-lasting batteries or hardwired options with backup, reducing maintenance needs.
- Compatibility with smart home platforms like Alexa, Google Home, and Z-Wave enhances integration and automation.
- Voice alerts and hazard-specific notifications improve response clarity and safety in large or multi-story homes.
- Advanced detectors support multi-user access, remote testing, and optional professional monitoring for comprehensive security.
X-Sense Smart Smoke and Carbon Monoxide Detectors (3-Pack)
If you’re looking for an affordable yet reliable smart smoke and CO detector for your home, the X-Sense 3-Pack is an excellent choice, especially for those who want to monitor multiple areas simultaneously. These detectors feature replaceable batteries, so you don’t have to worry about wiring or constant power. They connect via Wi-Fi (only 2.4 GHz), allowing real-time alerts through the X-Sense Home Security app. You can share device access with up to 12 users, making it easy for everyone to stay informed. With combined photoelectric smoke sensors and electrochemical CO sensors, they provide precise, long-lasting safety without the need for a base station.
Best For: homeowners seeking an affordable, easy-to-install smart smoke and CO detector that can monitor multiple areas remotely without complex wiring.
Pros:
- Supports real-time alerts via Wi-Fi and the X-Sense app, enhancing home safety.
- Replaces batteries easily, eliminating the need for wiring or hardwired power.
- Allows device sharing with up to 12 users, facilitating family or household monitoring.
Cons:
- Only compatible with 2.4 GHz Wi-Fi networks, limiting connectivity options.
- Does not connect to base stations or communicate between multiple detectors.
- Lacks integration with other smart home ecosystems or 5.0 GHz Wi-Fi networks.
X-Sense Smart Smoke and Carbon Monoxide Detector Combo
The X-Sense Smart Smoke and Carbon Monoxide Detector Combo is an excellent choice for households seeking reliable, long-term protection without the hassle of frequent battery replacements. It’s battery-operated, powered by a single 5-year CR123A battery, providing a decade of maintenance-free use. The device connects to the X-Sense Home Security App via a base station and is compatible only with 2.4 GHz Wi-Fi. When one alarm goes off, all interconnected units sound simultaneously, and the app sends instant alerts. You can test and silence alarms remotely, and up to 12 users can control the system, making it a convenient, dependable safety solution.
Best For: households seeking a reliable, long-term, easy-to-manage smoke and CO detection system without the need for frequent battery replacements.
Pros:
- Long-lasting 10-year combination smoke and CO alarm with a single 5-year battery replacement
- Interconnected alarms sound simultaneously for quick awareness and safety
- App control allows remote testing, silencing, and notifications for up to 12 users
Cons:
- Compatible only with 2.4 GHz Wi-Fi, limiting network flexibility
- Not AC hardwired, which may be less suitable for homes requiring wired installations
- Requires a base station for app connectivity, adding an extra component to setup
X-Sense Combo Smoke and CO Detector with Voice Location
For homeowners seeking a reliable, space-saving safety device with clear alerts, the X-Sense Combo Smoke and CO Detector with Voice Location stands out. This 2-in-1 unit combines smoke and carbon monoxide sensors, saving space and simplifying installation. It connects via Wi-Fi to the X-Sense App and features voice alerts that specify the danger’s location, like “Warning! Smoke detected in Living Room.” The device shares alarms with up to 12 family members, ensuring everyone stays informed. With a sleek design, a 10-year lifespan, and easy maintenance, it offers all-encompassing safety. Optional professional monitoring provides rapid emergency response, making it a smart choice for modern homes.
Best For: homeowners seeking a space-saving, easy-to-install smoke and CO detector with clear voice alerts and remote monitoring capabilities.
Pros:
- Combines smoke and carbon monoxide detection in a sleek, space-efficient design.
- Voice alerts specify the location of danger, enhancing quick response.
- Compatible with the X-Sense App for instant alerts and sharing with up to 12 family members.
Cons:
- Only compatible with 2.4 GHz Wi-Fi networks, not 5.0 GHz.
- Requires subscription to Protect+ Premium plan for 24/7 professional monitoring and rapid emergency dispatch.
- The 10-year lifespan means eventual replacement of the entire unit after a decade.
X-Sense Smart Smoke and Carbon Monoxide Detector (SC07-WX)
The X-Sense SC07-WX stands out for households seeking reliable, dedicated safety monitoring without the complexity of home automation systems. It features replaceable batteries and Wi-Fi connectivity on the 2.4 GHz network, making setup straightforward. Designed for individual device monitoring via the X-Sense app, it doesn’t connect to base stations or other units, simplifying operation. The device combines photoelectric smoke detection with precise electrochemical CO sensors, ensuring long-term safety. It delivers instant push notifications for alarms, low batteries, and faults. Plus, you can share access with up to 12 family members, enhancing overall home safety. It’s a simple, dependable choice for focused smoke and CO protection.
Best For: households seeking reliable, dedicated smoke and carbon monoxide detection with straightforward setup and individual device monitoring without home automation integration.
Pros:
- Easy to install with replaceable batteries and Wi-Fi connectivity on 2.4 GHz network
- Combines photoelectric smoke detection with precise electrochemical CO sensors for long-term safety
- Supports sharing access with up to 12 users for enhanced home safety management
Cons:
- Does not connect to base stations or communicate with other detectors, limiting integrated system features
- Only compatible with 2.4 GHz Wi-Fi, which may be a limitation in some network setups
- Lacks smart home automation features and inter-device communication for synchronized alerts
X-Sense Smart Smoke and Carbon Monoxide Detector (SC06-WX)
If you’re looking for a reliable smart smoke and CO detector that seamlessly integrates with your home network, the X-Sense SC06-WX stands out as an excellent choice. It’s a 2-in-1 device compatible exclusively with 2.4 GHz Wi-Fi, offering real-time alerts through the free X-Sense app—no subscriptions needed. Its replaceable batteries, photoelectric smoke sensors, and electrochemical CO sensors guarantee accurate hazard detection. The sleek, heat-resistant design measures just over 5.7 inches in diameter and weighs about 13 ounces. Easy to install and maintain, it supports sharing access with up to 12 users, providing peace of mind whether you’re home or away.
Best For: homeowners seeking a reliable, easy-to-install smart smoke and CO detector that offers real-time alerts and multiple user access without subscription fees.
Pros:
- Seamless integration with 2.4 GHz Wi-Fi and straightforward app setup
- Accurate hazard detection with independent photoelectric smoke and electrochemical CO sensors
- Supports sharing access with up to 12 users for enhanced safety and convenience
Cons:
- Compatible exclusively with 2.4 GHz Wi-Fi, limiting network options
- Slightly larger size compared to basic detectors, which may not fit all spaces
- Requires battery replacement every few years to maintain optimal function
Kidde App-Enabled Hardwired Smoke & Carbon Monoxide Detector
With its dual detection technology and fast response times, the Kidde App-Enabled Hardwired Smoke & Carbon Monoxide Detector stands out as an excellent choice for homeowners seeking reliable, connected safety. It features photoelectric sensors for smoke and electrochemical sensors for CO, offering over 25% faster smoke detection than previous models and reducing false alarms near kitchens. The device connects seamlessly via WiFi and Bluetooth, delivering real-time alerts and remote control through the Kidde app. It’s powered by 120V AC with backup batteries, ensuring continuous operation. Easy installation, voice alerts, and compatibility with smart home systems make this detector a smart, effective upgrade for your home safety.
Best For: homeowners seeking a reliable, connected smoke and CO detector with fast response times and smart home integration.
Pros:
- Offers over 25% faster smoke detection with enhanced sensing technology.
- Seamless WiFi and Bluetooth connectivity for real-time alerts and remote management via the Kidde app.
- Easy installation with clear voice alerts and compatibility with smart home systems like Alexa and Google Home.
Cons:
- Requires batteries to be removed for replacement, which can be inconvenient.
- Installation involves wiring and app setup, potentially challenging for DIY beginners.
- Alarm volume may be loud for some users, requiring careful placement.
X-Sense Smart Smoke and CO Detector Combo (3-Pack)
For homeowners seeking reliable, long-lasting protection, the X-Sense Smart Smoke and CO Detector Combo (3-Pack) stands out thanks to its 10-year lifespan and easy remote monitoring capabilities. Powered by a 5-year lithium battery, these interconnected alarms sound simultaneously, ensuring immediate awareness throughout your home. While they don’t connect directly to Wi-Fi, they pair with a base station that links to your 2.4 GHz network, allowing app notifications for alerts, testing, and low battery. Setting up is straightforward, and the system’s UL and ETL certification guarantees safety and reliability. With user-friendly app controls and optional professional monitoring, this combo offers strong, dependable home safety.
Best For: homeowners seeking a long-lasting, easy-to-monitor smoke and CO detection system with remote alerts and optional professional emergency services.
Pros:
- 10-year lifespan with a single battery replacement, reducing maintenance
- Interconnected alarms sound simultaneously for comprehensive home safety
- User-friendly app provides real-time monitoring, remote testing, and alerts
Cons:
- Does not connect directly to Wi-Fi; requires a base station for app integration
- Compatible only with 2.4 GHz Wi-Fi networks, limiting flexibility for dual-band setups
- Optional professional monitoring requires a subscription, adding ongoing cost
X-Sense Smart Smoke and Carbon Monoxide Detector with Voice Location
The X-Sense Smart Smoke and Carbon Monoxide Detector with Voice Location stands out for households that prioritize clear, voice-guided alerts during emergencies. It features a sleek, ultra-slim design that blends seamlessly into home decor, with a loud 85 dB alarm audible throughout the house. When smoke or CO is detected, it announces the specific location—like “Warning! Smoke detected in Living Room”—allowing for quick, targeted responses. Easy to set up via app scanning and QR code, it offers remote monitoring through the X-Sense Home Security App. With a 10-year lifespan and highly positive reviews, it’s a reliable, user-friendly safety device.
Best For: households seeking an affordable, reliable smoke and carbon monoxide detector with clear voice alerts and remote monitoring capabilities.
Pros:
- Easy to set up via app scanning and QR code without complicated wiring or wall templates
- Clear voice location alerts for quick, targeted response during emergencies
- Long-lasting 10-year battery life with user-friendly replacement process
Cons:
- Lacks advanced integrations like HomeKit or wired backup options
- Does not perform automatic periodic self-tests or communicate with other detectors in a network
- Compatible only with 2.4 GHz Wi-Fi, limiting connectivity options for some users
First Alert Battery Smart Smoke & Carbon Monoxide Alarm (SMCO600NV, 1-Pack)
If you’re looking for an affordable, straightforward smart smoke and CO detector that integrates seamlessly with Google Home, the First Alert Battery Smart Smoke & CO Alarm (SMCO600NV) is worth considering. It’s a 2-in-1 device that connects with Google Nest Protect and sends alerts to your phone via the First Alert app. Battery-powered with six C batteries included, it offers voice alerts, Heads-Up warnings, and interconnectivity with other compatible alarms. While setup is generally easy, some users face challenges with pairing and Wi-Fi connectivity. Customer reviews are mixed, citing decent core performance but concerns about reliability and limited features compared to higher-end models.
Best For: homeowners in the US seeking an affordable, easy-to-install smart smoke and CO detector that integrates with Google Home and provides basic safety features.
Pros:
- Seamless integration with Google Nest Protect and Google Home ecosystem
- Battery-powered with included six C batteries for easy installation
- Voice alerts and Heads-Up warnings enhance early notification and safety
Cons:
- Limited features compared to higher-end smart detectors, lacking path lights and motion sensors
- Some users experience setup and Wi-Fi connectivity challenges
- Customer reviews indicate concerns about reliability and quality control issues
X-Sense Smart Smoke and Carbon Monoxide Detector (3-Pack)
With its user-friendly app that allows remote monitoring and alarm silencing, the X-Sense Smart Smoke and CO Detector (3-Pack) is ideal for anyone seeking reliable, easy-to-manage safety devices. Each unit combines photoelectric smoke sensors and electrochemical CO sensors, providing all-encompassing fire and gas detection. They’re easy to install without wiring, use replaceable batteries, and support a 10-year lifespan. The Wi-Fi connection via the X-Sense app enables instant alerts, remote silencing, and sharing with up to 12 users. Customers praise their reliability, loud alarms, and straightforward setup, making this pack a practical, versatile solution for safeguarding your home in 2025.
Best For: homeowners and families seeking reliable, easy-to-manage smart smoke and carbon monoxide detection with remote monitoring and sharing capabilities.
Pros:
- Easy to install without wiring, using replaceable batteries with a 10-year lifespan
- Supports remote alerts, silencing, and sharing with up to 12 users via the user-friendly app
- Loud alarms and effective sensors ensure reliable detection of fire and CO hazards
Cons:
- Only supports 2.4 GHz Wi-Fi, limiting compatibility with some networks
- Does not connect to a base station or home automation hubs
- Some units may arrive already a year into their rated 10-year lifespan
First Alert SMCO410 Z-Wave Battery-Powered Smoke and Carbon Monoxide Detector
For homeowners seeking a reliable, maintenance-free smoke and CO detector, the First Alert SMCO410 Z-Wave Plus stands out thanks to its 10-year sealed lithium-ion battery that eliminates the need for replacements. It offers dual detection with First Alerts Precision Detection technology, ensuring accurate alerts for smoke and carbon monoxide. Compact and sleek, it integrates seamlessly with smart home systems like Ring, SmartThings, and Hubitat for remote notifications. Setup is simple—just scan the QR code and mount over a standard junction box. Users report quick installation and dependable alerts, though some experience connectivity hiccups. Overall, it’s a solid choice for integrated home safety.
Best For: homeowners seeking a maintenance-free, reliable smoke and carbon monoxide detector that integrates seamlessly with smart home systems for remote monitoring.
Pros:
- 10-year sealed lithium-ion battery eliminates replacements and low-battery chirps
- Dual detection with First Alerts Precision Detection technology ensures accurate alerts for smoke and CO
- Compatible with popular smart home platforms like Ring, SmartThings, and Hubitat for remote notifications
Cons:
- Some users experience connectivity issues or false alarms over time
- Installation over junction boxes requires sealing to prevent air currents from affecting detection
- Support experiences can vary, with some users reporting difficulty resolving operational problems
First Alert Combination Smoke & Carbon Monoxide Alarm
The First Alert Combination Smoke & Carbon Monoxide Alarm stands out for homeowners seeking a reliable, hardwired safety device that’s easy to install and maintain. It features Precision Detection technology, which helps reduce false alarms during cooking while providing early alerts for fire or CO danger. The quick connect plug simplifies wiring, and interconnectivity ensures all alarms sound together when one detects trouble. It includes a test/silence button, a bright LED indicator, and a backup 9V battery to keep your home protected during power outages. With positive user feedback and easy installation, this alarm is a dependable choice for thorough home safety.
Best For: homeowners seeking a dependable, easy-to-install combined smoke and carbon monoxide alarm with reliable interconnectivity and modern detection technology.
Pros:
- Easy quick connect wiring for fast installation and replacement
- Combines smoke and CO detection in a single, space-saving unit
- Bright LED indicator and test/silence button for straightforward maintenance
Cons:
- Mounting plates may require adjustments or replacement when upgrading from older models
- Brighter LED may need covering for dark or bedroom installations
- Compatibility with existing wiring systems should be verified before installation
X-Sense Wireless Smoke and CO Detectors (6 Pack)
If you’re looking for a reliable, cost-effective solution to protect your entire home from smoke and carbon monoxide, the X-Sense Wireless Smoke and CO Detectors (6 Pack) is an excellent choice. These 2-in-1 detectors feature wireless interconnection, so when one alarm sounds, all units activate simultaneously, ensuring everyone stays alerted. With a sealed 10-year lithium battery, you won’t need to worry about frequent replacements, and the low battery warning keeps you informed. Easy to test or silence with a single button, these detectors provide all-encompassing coverage for your home’s safety without the need for Wi-Fi, making them a dependable, straightforward option.
Best For: homeowners seeking a reliable, cost-effective, and easy-to-maintain smoke and carbon monoxide detection system with full home coverage.
Pros:
- Wireless interconnection allows all alarms to sound simultaneously for comprehensive safety.
- 10-year sealed lithium battery eliminates the need for frequent replacements.
- Easy to test or silence with a single button, simplifying operation and ensuring prompt response.
Cons:
- Does not support Wi-Fi connectivity, limiting remote monitoring options.
- Interconnection is limited to 24 units, which may be insufficient for very large or complex homes.
- No smart home integration features, reducing compatibility with modern home automation systems.
Factors to Consider When Choosing Smart Smoke and CO Detectors
When choosing a smart smoke and CO detector, I consider how well it connects with my existing devices and systems. I also look at the power source, notification features, and how easy it is to maintain over time. These factors help guarantee I get a reliable, convenient, and long-lasting safety device.
Connectivity Compatibility
Choosing a smart smoke and CO detector requires making sure it works seamlessly with your home’s existing network and smart devices. First, check if it supports your Wi-Fi network, typically 2.4 GHz, since some devices don’t support 5.0 GHz. Compatibility with your smart home ecosystem, like Alexa or Google Home, is essential for easy control and automation. Consider whether the device connects via Wi-Fi, Z-Wave, or relies on hardwired or battery power, so it fits your home’s setup. If you want interconnected alarms, verify it can connect with multiple units or hubs to sound simultaneously across different areas. Finally, confirm the manufacturer’s app is compatible with your smartphone’s OS, whether iOS or Android, for smooth remote monitoring and alerts.
Battery and Power Type
Selecting the right power type for your smart smoke and CO detector impacts installation, maintenance, and reliability. Battery-powered models are easy to install, often using 9V or lithium batteries, and provide independence from wiring. Hardwired detectors connect directly to your home’s electrical system and usually include battery backups, ensuring operation during outages. Some smart detectors feature replaceable batteries with up to 10 years of lifespan, reducing maintenance needs. Others come with sealed 10-year batteries, offering maintenance-free operation for their entire lifespan. Your choice affects how flexible installation is, how often you’ll need to replace batteries, and whether the detector works during power or Wi-Fi disruptions. Considering these factors helps you select a device that’s reliable and low-maintenance for long-term safety.
Alert and Notification Features
Smart smoke and CO detectors leverage advanced alert and notification features to keep you informed in real time. They send instant push notifications to your mobile device for alarms, faults, low batteries, and test results, guaranteeing you’re always aware of potential dangers. When smoke or CO is detected, these detectors can be configured to alert you immediately, no matter where you are. Many models also support remote silencing and testing through companion apps, allowing quick responses without needing physical access. Some include voice alerts that announce specific locations or hazard types, helping you identify issues quickly. Additionally, the ability to share notifications with multiple users ensures everyone in your household stays informed, boosting overall safety and coordination during emergencies.
Interconnection Capabilities
Interconnection capabilities are essential for guaranteeing your smoke and CO detectors work together seamlessly to protect your entire home. When one detects hazards, interconnected alarms sound simultaneously, alerting everyone regardless of their location. Wireless systems use radio frequency signals, offering flexible placement without wiring, while hardwired options require physical connections to synchronize alarms across multiple units. Some systems support up to 24 detectors, ideal for large or multi-story homes. Advanced features often include remote silencing, status monitoring, and source identification, which help coordinate responses more efficiently. By choosing interconnected detectors, you guarantee that alerts are loud and synchronized, minimizing the risk of missed warnings and providing extensive coverage for your home’s safety.
Long-Term Maintenance
When choosing smoke and CO detectors, considering their long-term maintenance can save you time and hassle down the line. I look for models with 10-year sealed or long-lasting batteries to minimize frequent replacements. Remote monitoring and alert notifications via a mobile app help me stay informed without needing to check the device physically. Easy remote silencing and testing features simplify ongoing upkeep, making maintenance less of a chore. Clear indicator lights or voice alerts are essential—they signal low batteries or faults upfront, preventing unnoticed issues. Additionally, I prioritize detectors compatible with my home’s wiring or those with battery operation for flexible installation and reduced maintenance needs. These factors help ensure my home’s safety remains effective with minimal ongoing effort.
Emergency Response Support
Emergency response support can be a critical feature when choosing a smart smoke or CO detector, as it guarantees help arrives promptly during an emergency. These systems often include optional professional monitoring services that can dispatch emergency responders within seconds of verified alarms, providing peace of mind. Devices with emergency response support typically communicate with monitoring centers via apps or integrated systems, allowing rapid verification and dispatch. Many smart detectors also offer real-time alerts and voice location announcements to quickly identify the danger’s source, speeding up response times. Keep in mind that activating these features usually requires a subscription plan like Protect+ Premium. Properly configured, emergency response support can appreciably reduce response times, potentially saving lives during fires or CO incidents.
Frequently Asked Questions
How Do Smart Smoke and CO Detectors Integrate With Home Automation Systems?
Smart smoke and CO detectors seamlessly integrate with home automation systems through Wi-Fi or Zigbee/Z-Wave protocols. I connect them via a dedicated app or hub, allowing me to receive alerts on my phone and automate other devices, like turning on lights or opening doors during emergencies. This integration enhances safety and convenience, giving me peace of mind knowing I can monitor and respond to alerts from anywhere in my home.
What Is the Typical Battery Life of Wireless Smart Smoke and CO Detectors?
You’ll be amazed—most wireless smart smoke and CO detectors last around 5 to 10 years on a single battery! That’s like having peace of mind for a decade without worrying about constant replacements. I love how these detectors send alerts straight to my phone, and with long-lasting batteries, I’m confident my home stays safe without frequent maintenance. It’s a game-changer for reliable, hassle-free safety.
Are Smart Smoke and CO Detectors Suitable for Rental Properties?
Yes, smart smoke and CO detectors are great for rental properties because they’re easy to install and maintain. I recommend choosing models with long battery life and Wi-Fi connectivity so tenants can get real-time alerts and landlords can monitor the devices remotely. These detectors enhance safety without requiring complex wiring or frequent checks, making them an ideal upgrade for rental units that need reliable, smart safety solutions.
How Do Voice Alerts Improve Safety During Emergencies?
Voice alerts are like having a guardian angel whispering in your ear during emergencies. They improve safety by providing clear, immediate instructions, even if you’re asleep or distracted. Instead of just beeping, these alerts tell you exactly what’s wrong and what to do, reducing panic and confusion. This direct communication can be the difference between a quick response and a dangerous delay, keeping you and your loved ones safe.
Can Smart Detectors Differentiate Between Smoke and CO to Reduce False Alarms?
Yes, smart detectors can differentiate between smoke and CO to reduce false alarms. They use advanced sensors that specifically identify the type of hazard present. When smoke is detected, the device alerts you immediately, while CO detection triggers a different alert. This targeted detection helps prevent unnecessary disturbances, ensuring you’re only alarmed when truly needed, which gives me peace of mind knowing my home is safer.
Conclusion
Choosing the right smart smoke and CO detectors can truly make a difference in keeping your home safe. With so many options, it’s about finding the one that fits your needs and gives you peace of mind. Are you ready to upgrade your safety system and stay ahead of potential dangers? Remember, investing in quality detection isn’t just smart—it’s essential for your peace of mind and loved ones’ safety.
