If you’re looking for the best Nest Protect-compatible smoke and CO alarms in 2025, I’ve found top models that combine advanced detection, smart home integration, and reliable power options. Whether you prefer battery-powered units, hardwired alarms, or combined sensors, there are options for every home need. These alarms offer remote alerts, easy installation, and long-lasting performance. Keep exploring to discover which alarms fit your safety needs perfectly.
Key Takeaways
- The list features top-rated smoke and CO alarms compatible with smart home ecosystems like Google Nest Protect.
- It highlights alarms with advanced detection technology, ensuring accurate and reliable early warnings.
- Emphasis is placed on models with long battery life, easy installation, and seamless integration.
- The selection includes both battery-powered and hardwired units for versatile home safety solutions.
- Smart features such as remote alerts, voice notifications, and interconnectivity for comprehensive home protection.
First Alert Battery Smoke & CO Alarm (SMCO600NV, 1-Pack)
If you’re looking for a reliable, easy-to-install smoke and CO alarm that seamlessly integrates with your smart home, the First Alert Battery Smoke & CO Alarm (SMCO600NV) is an excellent choice. It’s compatible with Google Nest Protect and sends alerts straight to your phone via the First Alert app. The alarm interconnects with other compatible units, sounding all alarms when one detects danger. It features Precision Detection Technology to reduce false alarms, voice alerts that specify the threat, and low-battery notifications. Powered by batteries, it offers consistent operation and monitoring, ensuring your home stays safe without unexpected power failures.
Best For: homeowners seeking a reliable, smart smoke and CO alarm that integrates seamlessly with their smart home ecosystem and provides early detection and alerts.
Pros:
- Compatible with Google Nest Protect and sends real-time alerts via the First Alert app
- Interconnects with other alarms to sound all units when one detects danger
- Equipped with Precision Detection Technology to minimize false alarms
Cons:
- Battery-powered, so it requires regular battery replacements or checks
- Limited to smart home compatibility with Google Nest Protect, may not work with other systems
- May be more expensive than basic smoke and CO alarms without smart features
First Alert Hardwired Smoke & CO Alarm (SMCO600NV-AC)
The First Alert Hardwired Smoke & CO Alarm (SMCO600NV-AC) is an excellent choice for homeowners seeking reliable, connected safety. It integrates seamlessly with Google Nest Protect alarms and sends alerts directly to your phone via the First Alert app, allowing for remote monitoring. When smoke or CO is detected, all interconnected alarms sound simultaneously, and voice alerts specify the danger’s type and location. With battery backup, it stays operational during power outages. Its Precision Detection Technology reduces false alarms, and the Quick Connect Plug makes installation simple without rewiring. This alarm combines advanced features with ease of use for exhaustive home protection.
Best For: homeowners seeking a reliable, interconnected smoke and carbon monoxide detection system with remote monitoring capabilities.
Pros:
- Seamlessly integrates with Google Nest Protect alarms for comprehensive safety
- Sends instant alerts to your phone via the First Alert app for remote monitoring
- Features battery backup and Precision Detection Technology to minimize false alarms
Cons:
- Requires professional wiring for hardwired installation, which may be complex for some users
- Compatibility limited to specific smart home ecosystems, potentially restricting flexibility
- May be more expensive than standalone smoke or CO detectors due to advanced features
SimpliSafe Smoke & Carbon Monoxide Detector
For homeowners seeking reliable safety, the SimpliSafe Smoke & Carbon Monoxide Detector stands out with its 2-in-1 hazard detection system, which alerts you to both smoke and CO dangers simultaneously. It intelligently distinguishes between real emergencies and minor sources like burnt food, reducing false alarms. The built-in siren triggers locally and alerts the Base Station instantly, ensuring quick notification. You’ll receive real-time alerts on your phone through the app, even when you’re away. Easy to install without wiring, it features long-lasting batteries and daily system checks to keep it functioning properly. Designed to work seamlessly with the Gen 3 SimpliSafe system, it offers reliable, hassle-free protection.
Best For: homeowners seeking a reliable, easy-to-install smoke and CO detection system that offers instant alerts and professional monitoring integration.
Pros:
- Combines smoke and carbon monoxide detection in one device, reducing the need for multiple sensors
- Sends real-time alerts to your phone and triggers local siren for immediate awareness
- Easy, wiring-free installation with long-lasting batteries and daily system checks
Cons:
- Designed exclusively for use with the SimpliSafe Gen 3 security system, limiting compatibility with other systems
- May require a monitoring plan for professional emergency dispatch services
- Limited to indoor use, not suitable for outdoor or harsh environments
First Alert Combination Smoke & Carbon Monoxide Alarm (SMCO100, 1-Pack)
Designed for homeowners seeking reliable all-in-one protection, the First Alert Combination Smoke & Carbon Monoxide Alarm (SMCO100) offers a convenient solution with its dual detection capabilities. It combines smoke and CO sensors in one battery-powered unit, featuring advanced Precision Detection technology that reduces false alarms and provides early warnings. Easy to install and maintain, it has a test and silence button, plus an end-of-life indicator. With a 10-year limited warranty and high customer ratings, this alarm delivers dependable safety for your home. Its compact design and simple operation make it a practical choice for extensive fire and CO protection.
Best For: homeowners seeking a reliable, all-in-one smoke and carbon monoxide detection solution with easy maintenance and long-term safety features.
Pros:
- Combines smoke and CO detection in a single, battery-operated unit for comprehensive safety.
- Equipped with advanced Precision Detection technology to reduce false alarms during cooking.
- Features a test and silence button, end-of-life indicator, and a 10-year limited warranty for easy upkeep and peace of mind.
Cons:
- Requires the replacement of batteries every 10 years, which may be inconvenient for some users.
- Limited to battery operation, so backup power options are not available if batteries fail.
- May be more expensive than single-function alarms, depending on the retailer and bundle options.
First Alert Combination Smoke & Carbon Monoxide Alarm
If you’re looking for a reliable combination smoke and CO alarm that simplifies installation and enhances safety, the First Alert SMICO100-AC stands out. It’s a hardwired detector with battery backup, ensuring continuous protection even during power outages. The device features an interconnect system, so multiple alarms can communicate and sound together, providing quick alerts throughout your home. Its advanced sensing technology minimizes false alarms from cooking, while early detection of smoke and CO boosts safety. With easy installation via Quick Connect Plug and a test/silence button, it offers both convenience and peace of mind. This alarm is a solid choice for all-encompassing home safety.
Best For: homeowners seeking a reliable, easy-to-install combination smoke and carbon monoxide alarm with comprehensive coverage and minimal false alarms.
Pros:
- Hardwired with battery backup ensures continuous protection during power outages
- Interconnect system allows multiple alarms to communicate and sound simultaneously for prompt alerts
- Advanced sensing technology reduces nuisance alarms caused by cooking
Cons:
- Installation requires wiring, which may be challenging for some users without professional help
- Limited to compatible alarms with interconnect functionality, possibly requiring additional units for full coverage
- Slightly higher cost compared to standalone smoke or CO alarms
4-in-1 Gas Leak and Carbon Monoxide Detector
Looking for an all-encompassing safety device that detects multiple gases and environmental conditions in one compact unit? This 4-in-1 Gas Leak and CO Detector is perfect. It combines sensors for natural gas, carbon monoxide, temperature, and humidity, all displayed on a clear LCD. With dual alarms and lights, it alerts you immediately if CO reaches 150PPM or natural gas hits 5% LEL. Its energy-efficient design supports 110V–220V power, and long-lasting sensors reduce maintenance. Easy to install and calibrate, it provides real-time monitoring to keep your home, RV, or hotel safe from unseen hazards, ensuring peace of mind.
Best For: Homeowners, RV travelers, and hotel managers seeking comprehensive safety monitoring for gases and environmental conditions in a compact, energy-efficient device.
Pros:
- Combines sensors for CO, natural gas, temperature, and humidity in one easy-to-read LCD display.
- Dual alarms with sound and flashing lights provide instant safety alerts at dangerous gas levels.
- Supports wide voltage range (110V–220V) with low power consumption, ideal for various environments.
Cons:
- Requires a 30-minute setup and calibration period for accurate temperature and humidity readings.
- May need regular testing to ensure alarm functionality over time.
- Limited to detecting gases and environmental factors; does not include other safety features like smoke detection.
X-Sense Wireless Smoke and CO Detectors (6-Pack)
The X-Sense Wireless Smoke and CO Detectors (6-Pack) are ideal for homeowners seeking a reliable and interconnected safety system without the need for Wi-Fi. These devices support wireless interconnection, allowing up to 24 units to work together, ensuring alarms sound simultaneously across your home. They feature a clear LCD display showing real-time CO levels, battery status, and device health, thanks to a 10-year lithium battery that eliminates replacement worries. Equipped with photoelectric smoke sensors and electrochemical CO sensors, they provide dual protection. When one detects danger, all units activate, offering all-encompassing safety coverage without the hassle of Wi-Fi setup.
Best For: homeowners seeking a reliable, interconnected smoke and CO detection system that operates without Wi-Fi and offers long-term maintenance-free security.
Pros:
- Wireless interconnection supports up to 24 units for comprehensive home coverage
- 10-year built-in lithium battery eliminates the need for replacement
- LCD display provides real-time CO levels, battery status, and device health
Cons:
- Does not include Wi-Fi connectivity, limiting smart home integration
- Requires up to 24 units for full interconnection, which may be costly for larger homes
- Limited to smoke and CO detection, lacking additional smart features
X-Sense Wireless Smoke and CO Detectors (3-Pack)
For homeowners seeking reliable, long-lasting protection against smoke and carbon monoxide, the X-Sense Wireless Smoke and CO Detectors (3-Pack) stand out as an excellent choice. These detectors feature dual sensing for both smoke and CO, providing thorough safety. With 10-year sealed lithium batteries, you won’t need to worry about frequent replacements, and low battery alerts keep you informed. The wireless interconnection allows alarms to sync seamlessly, ensuring everyone sounds the alarm if danger is detected. Easy to install on walls or ceilings with included accessories, these units combine convenience with peace of mind, making them a smart addition for any home.
Best For: homeowners seeking reliable, maintenance-free protection against smoke and carbon monoxide in large or multi-room homes.
Pros:
- Wireless interconnection ensures all alarms sound simultaneously for maximum safety
- 10-year sealed lithium batteries eliminate the need for frequent replacements
- Easy installation with included mounting accessories and user-friendly test/silence button
Cons:
- May be more expensive than traditional battery-powered alarms
- Requires initial setup and wireless pairing, which might be complex for some users
- Limited to a maximum of 24 interconnected units, potentially insufficient for very large properties
X-Sense 10-Year Battery Smoke and CO Alarm with LCD Display
If you want reliable smoke and CO detection without the hassle of frequent battery changes, the X-Sense 10-Year Battery Alarm with LCD Display is an excellent choice. It combines photoelectric sensors for smoke and electrochemical sensors for CO, providing fast, accurate alerts. The sealed lithium battery lasts 10 years, so you won’t need to replace it, ensuring continuous protection even during power outages. The large LCD shows real-time CO levels, battery status, and operational info, while the alarm itself is easy to install without rewiring. It’s a straightforward, maintenance-free safety solution for any home.
Best For: homeowners seeking a maintenance-free, reliable smoke and CO detection solution with clear real-time information and easy installation.
Pros:
- 10-year sealed lithium battery eliminates the need for replacements.
- Large LCD display provides real-time CO levels and operational status.
- Easy to install on walls or ceilings without rewiring.
Cons:
- Does not support wireless interconnection or Wi-Fi connectivity.
- Standalone model may require upgrade for smart home integration.
- Limited to detecting smoke and CO; lacks additional smart features.
First Alert Combination Smoke & Carbon Monoxide Alarm (SMICO100, 1-Pack)
When searching for a reliable combination smoke and carbon monoxide alarm, the First Alert SMICO100 stands out with its advanced sensing technology that minimizes false alarms, especially during cooking. It’s battery-operated, easy to install, and features an ionization sensor for early detection of smoke and CO. The device includes an end-of-life warning to signal when it needs replacing and a test/silence button for routine checks. With a compact 5.6-inch design and a user-friendly interface, it offers dependable protection without wiring. Rated 4.4 stars, it’s recognized for its reliability and ease of use, making it a solid choice for home safety.
Best For: homeowners seeking an easy-to-install, reliable combination smoke and carbon monoxide alarm with advanced detection technology to ensure safety and reduce nuisance false alarms.
Pros:
- Easy battery-powered setup with no wiring required for quick installation.
- Advanced sensing technology minimizes false alarms during cooking while providing early warning of smoke and CO.
- Includes an end-of-life warning indicator and a test/silence button for maintenance and routine checks.
Cons:
- Limited to indoor use only, not suitable for outdoor environments.
- Battery operation requires periodic replacement of AA batteries, which may be forgotten over time.
- Ionization sensors may be less effective for certain types of fires compared to photoelectric sensors.
5-in-1 Carbon Monoxide Detector with LCD Display
The in-1 Carbon Monoxide Detector with LCD Display stands out because of its all-encompassing safety features, making it ideal for anyone seeking reliable, real-time monitoring of multiple hazards. It detects CO, natural gas, smoke, temperature, and humidity, offering thorough protection. The large, HD LCD screen clearly shows digital readings from 0 to 2000 PPM for CO and 0 to 20% LEL for gas, ensuring visibility day or night. With dual sensors, loud alarms over 85 dB, and visual alerts, it provides quick and accurate hazard detection. Its portable design, battery-powered with a long-lasting lithium-ion battery, makes it perfect for home, travel, or work environments.
Best For: homeowners, renters, and travelers seeking comprehensive, real-time safety monitoring for multiple indoor hazards including CO, gas, smoke, temperature, and humidity.
Pros:
- Combines detection for multiple hazards in one device, enhancing overall safety.
- Large HD LCD display provides clear, easy-to-read digital readings day or night.
- Portable, battery-powered design with up to 24 hours of operation during outages.
Cons:
- Requires regular battery replacement or charging to ensure continuous protection.
- May be more expensive than single-function detectors due to its multi-sensor capabilities.
- The compact size might limit its placement options in larger or more complex environments.
Combination Gas and Carbon Monoxide Detector, 4-in-1 Alarm for Home and RV
For those seeking a thorough safety solution, the Combination Gas and Carbon Monoxide Detector 4-in-1 Alarm stands out with its ability to detect multiple hazards simultaneously. It monitors natural gas, propane, methane, and CO with high precision, thanks to catalytic combustion and electrochemical sensors. The upgraded plug-in design makes installation quick and easy, while the large digital display shows real-time temperature and humidity. Its 85dB alarm provides immediate alerts, making it suitable for homes, RVs, and workplaces. With a compact, lightweight design and no batteries needed, it’s a reliable tool that enhances safety across various environments.
Best For: Homeowners, RV travelers, and workplace safety managers seeking comprehensive detection of gas leaks and carbon monoxide with easy installation and real-time monitoring.
Pros:
- Combines multiple sensors (gas, CO, temperature, humidity) in one device for thorough safety coverage
- Upgraded plug-in design allows for quick, tool-free installation without batteries
- Large digital display provides clear, real-time environmental data and alerts
Cons:
- Limited to plug-in power source; no battery backup in case of power outage
- Slightly higher price point compared to single-function detectors
- May require periodic calibration to maintain sensor accuracy over time
Kidde App-Enabled Smart Smoke and CO Detector
If you’re seeking a smart alarm that seamlessly integrates with your home’s connectivity, the Kidde App-Enabled Smart Smoke and CO Detector stands out. It’s hardwired with a battery backup, ensuring continuous protection even during outages. The alarm detects both smoke and CO with advanced sensing technology, reducing false alarms from cooking. With Wi-Fi setup, you can get real-time alerts on your phone for smoke, CO, or low battery warnings, whether you’re home or away. You can also hush false alarms remotely via the Kidde app. Its interconnected alarms and certified safety standards make it a reliable, user-friendly choice for enhanced home safety.
Best For: homeowners seeking a reliable, smart smoke and CO detector that offers remote monitoring, easy setup, and interconnected safety alerts.
Pros:
- Seamless Wi-Fi connectivity with real-time mobile alerts for smoke, CO, and low battery status
- Hardwired with battery backup ensures continuous protection during power outages
- Reduces false alarms from cooking with advanced sensor technology and false alarm reduction features
Cons:
- Requires a 2.4 GHz Wi-Fi network for setup, which may not be compatible with all routers
- May have a higher upfront cost compared to traditional smoke and CO detectors
- Installation might be more complex for users unfamiliar with electrical wiring or smart home devices
Mounting Plate Replacement for Google Nest Protect 2nd Gen
Choosing the right mounting plate can make all the difference when replacing or upgrading your Google Nest Protect 2nd Gen. This high-quality ASA material mounting plate is designed specifically for models 06A and 06C, ensuring a perfect fit and reliable performance. It’s a simple, quick installation that takes just minutes, with no complicated procedures. The seamless integration guarantees your device stays secure and functions properly. Plus, it’s a durable replacement backplate built to last, backed by a one-year warranty and dedicated support. If you’re upgrading or repairing, this mounting plate offers a hassle-free, dependable solution for your Nest Protect.
Best For: homeowners and DIY enthusiasts seeking a durable, easy-to-install mounting solution for their Google Nest Protect 2nd Gen models 06A and 06C.
Pros:
- Made from high-quality ASA materials for long-lasting performance
- Quick and hassle-free installation process takes only minutes
- Seamless integration ensures secure fit and reliable operation
Cons:
- Cover plate only; device not included, so additional purchase of Nest Protect is necessary
- Limited to specific models 06A and 06C, not compatible with other versions
- No additional features or adjustable components included with the backplate
Factors to Consider When Choosing Nest Protect

When choosing a Nest Protect, I consider how well it works with my existing home system and its detection accuracy to guarantee reliability. I also look at interconnection capabilities and power options, so I can customize my setup for convenience and safety. Finally, smart alert features help me stay informed quickly, making my decision easier.
Compatibility With Home Systems
Ensuring your Nest Protect integrates smoothly with your existing smart home setup is essential for reliable safety management. First, check that your model is compatible with your smart home ecosystem, like Google Assistant or others you use. Verify your home’s wiring supports the Nest Protect type you choose—hardwired or battery-powered. It’s also important to confirm that your Wi-Fi network can handle the device, enabling remote alerts and controls. Additionally, make sure the Nest Protect works seamlessly with your smart home hub or automation platform for integrated safety management. Finally, review system requirements for firmware updates and app connectivity, ensuring ongoing compatibility and security. Taking these steps guarantees that your Nest Protect will operate efficiently within your smart home environment, providing peace of mind.
Detection Technology Accuracy
Detection technology accuracy plays an essential role in keeping your home safe by reducing false alarms and providing early warnings during real emergencies. Photoelectric sensors excel at detecting slow, smoldering fires, which helps prevent nuisance alarms caused by cooking or dust. Electrochemical sensors offer reliable, quick detection of carbon monoxide with low false positives, ensuring you’re alerted promptly without unnecessary disturbances. Combining advanced algorithms with multiple sensor types boosts overall detection accuracy and reliability. Regular calibration and sensor maintenance are vital to maintaining this precision over time, ensuring your alarm continues to perform effectively. When choosing a Nest Protect, prioritizing these accurate detection technologies means you’ll get a trustworthy device that minimizes false alarms and detects real threats early, ultimately safeguarding your home and loved ones.
Interconnection Capabilities
Interconnection capabilities are a essential feature to contemplate because they allow multiple Nest Protect alarms to communicate and activate simultaneously during a smoke or CO detection. This synchronization enhances safety by alerting everyone in the home immediately. Wired interconnection systems can be complex to install, requiring extensive wiring, while wireless options use radio frequency signals for easier setup and flexibility. The range of wireless interconnection varies between 50 to 500 feet, which is critical for larger homes. Interconnected alarms can also be configured to provide visual or audible alerts in specific areas, helping you quickly locate the source of danger. When choosing a Nest Protect, consider compatibility with your existing system and the possibility of expanding the network later for extensive coverage.
Power Source Options
When choosing a Nest Protect, your decision between a hardwired or battery-powered model depends on your home’s wiring and your preferences for maintenance. Battery-powered models use long-lasting lithium batteries that can last up to 10 years, which means less frequent replacement and easier installation, especially in homes without existing wiring. Hardwired units connect directly to your home’s electrical system and typically include a battery backup, ensuring functionality during outages. This option may involve more complex installation but offers a reliable power source. Consider your home’s electrical setup and how much ongoing maintenance you’re comfortable with. If you prefer a simple, wire-free solution, batteries are ideal. For a more integrated and potentially permanent setup, hardwired models are a solid choice.
Smart Alert Features
Smart alert features substantially enhance the safety and convenience of Nest Protect alarms by providing timely notifications and clear information about potential dangers. I appreciate how real-time alerts are sent directly to my smartphone, so I’m immediately aware of smoke or CO even when I’m away. Voice alerts with Heads-Up warnings specify the type and location of the threat, helping me respond quickly. Interconnected alarms sound simultaneously throughout the home, ensuring everyone is alerted at once, which is vital during emergencies. Battery and system status monitoring alerts me to low power or malfunctions, preventing unnoticed failures. Additionally, compatibility with smart home ecosystems allows seamless integration, enabling coordinated safety responses and automation. These smart alert features collectively make Nest Protect a reliable and proactive safety solution.
Installation Process Ease
Choosing a Nest Protect smoke and CO alarm is easier when the installation process is straightforward. A simple setup saves time and often means you don’t need professional help. Compatibility with existing mounting surfaces makes mounting quicker, especially if the alarm comes with mounting plates. The tools required, like screwdrivers or drills, also influence how easily you can install the device. Clear instructions and quick-connect features further streamline the process, making it accessible even for those with minimal DIY experience. Wireless or plug-in options eliminate the need for complex wiring, reducing hassle and installation time. Overall, a user-friendly installation process guarantees you can get your alarm up and running confidently and quickly, providing peace of mind without unnecessary complications.
Battery Life and Backup
Battery life and backup features are indispensable factors to consider because they guarantee your alarm remains reliable over time. Many models offer 5 to 10 years of maintenance-free operation, reducing the hassle of frequent replacements. Check whether the alarm uses sealed, long-lasting batteries or requires regular changes to stay functional. A low-battery alert is also essential, alerting you before the alarm’s performance is compromised. For hardwired units with battery backup, ensure the backup batteries are easily accessible and have a long lifespan. A dependable backup power source is critical during power outages or electrical failures, ensuring continuous protection. Prioritizing these features means your smoke and CO alarms will stay operational when you need them most, keeping your home safe and secure.
Design and Aesthetic
When selecting a Nest Protect, its design and aesthetic play a crucial role in ensuring it complements your home’s decor while maintaining safety. I appreciate its sleek, modern look with a minimalist circular shape that blends seamlessly into various interiors. The slim profile minimizes visual clutter on ceilings or walls, making it less obtrusive than bulkier alarms. Its matte finish and soft LED lighting provide clear status indicators without being distracting. Designed to match contemporary styles, the neutral colors coordinate well with most wall or ceiling colors. This unobtrusive design not only enhances safety but also preserves the overall visual harmony of your living space. I find that a well-designed alarm integrates smoothly into your home without sacrificing aesthetics or functionality.
Frequently Asked Questions
How Does Nest Protect Integrate With Existing Smart Home Systems?
Nest Protect easily integrates with my existing smart home system, especially if I have Google Assistant or other compatible devices. It connects seamlessly through Wi-Fi, allowing me to control and monitor it via the Nest app or my smart home hub. I love that I get instant alerts on my phone if there’s smoke or carbon monoxide detected, making my home safer without any extra hassle.
What Are the Maintenance Requirements for Nest Protect Alarms?
Did you know that regular maintenance can extend the lifespan of your smoke and CO alarms by up to 10 years? I check my Nest Protect monthly by testing the alarm and cleaning the sensors with a soft brush. I also replace the batteries annually, even if they’re rechargeable, to guarantee it’s always ready. Staying on top of these simple tasks keeps my home safe and alarms functioning perfectly.
Can Nest Protect Detect and Differentiate Between Various Types of Smoke?
Yes, Nest Protect can detect and differentiate between various types of smoke. It uses advanced sensors and algorithms to distinguish between fast-burning, slow-smoldering fires, and even monitor carbon monoxide levels. This means it can alert you accurately about different threats, reducing false alarms from cooking or steam. I trust it to keep my home safe, knowing it intelligently responds to specific hazards without unnecessary interruptions.
How Does Nest Protect Alert Users During Power Outages?
When the power goes out, I trust Nest Protect to keep me safe. It automatically switches to backup batteries, ensuring alerts still come through loud and clear. I hear a reassuring voice warning me of smoke or carbon monoxide, even in darkness. This smooth shift gives me peace of mind, knowing that no matter what, my home’s alert system stays active and reliable, protecting my loved ones around the clock.
What Is the Lifespan of a Nest Protect Smoke and CO Alarm?
The lifespan of a Nest Protect smoke and CO alarm is about 7 years. I recommend checking the device periodically because it has a built-in sensor that alerts you when it’s time to replace it. After that, the unit’s battery and sensors might not work as effectively, so replacing it guarantees your home stays safe. Staying proactive helps keep your family protected at all times.
Conclusion
Choosing the right smoke and CO alarm can truly be a game-changer for your home’s safety—it’s like having a superhero watching over you 24/7. Whether you go with the trusted Nest Protect or a reliable First Alert model, investing in quality peace of mind is priceless. Don’t wait for a disaster to strike; equip your home today and turn safety into your everyday superpower. After all, your peace of mind is worth more than gold!