12 Best Smart Smoke and Carbon Monoxide Detectors for Peace of Mind Ranked & Reviewed for 2025
Discover the top smart smoke and carbon monoxide detectors to keep your home and loved ones safe. Perfect for modern living!
Google Nest Protect Smart Smoke and Carbon Monoxide Alarm
$149.99Features:
Hardwired, smartphone alerts, voice alerts, pathlight feature, self-testing.
What We Think:
"The Google Nest Protect is like having a safety companion at home. It gives you a heads-up before danger strikes, and its sleek design fits effortlessly into any decor."
Why You'll Love It:
"Users rave about its reliability and ease of use. Plus, you can troubleshoot issues right from your smartphone!"
Google Nest Protect Smart Smoke and Carbon Monoxide Alarm
$199.99Features:
Battery-operated, real-time app alerts, voice notifications, and self-testing.
What We Think:
"With a split-spectrum sensor, it’s perfect for households that want flexibility and a tech-savvy solution to smoke detection."
Why You'll Love It:
"People love the real-time alerts and user-friendly app, making it easy to monitor your home from anywhere!"
Nest Protect Wired Smoke and Carbon Monoxide Alarm (2nd gen)
$159.99Features:
Wired connection, auto self-test, includes 120 AC connector.
What We Think:
"This reliable unit is hardwired for peace of mind. It’s not just an alarm but an innovative safety tool."
Why You'll Love It:
"It offers a consistent and dependable performance without needing frequent battery changes, making it truly hassle-free!"
Google Nest Protect Smart Smoke and CO Alarm - 2 Pack Bundle
$329.99Features:
Hardwired, pathlight feature, smartphone alerts, and synchronized alarms.
What We Think:
"With two units, you can cover more ground in your home! The voice alerts add a human touch that's super helpful in emergencies."
Why You'll Love It:
"Families love how it links together, making sure everyone is alerted if danger strikes."
X-Sense Interconnected Smart Smoke & CO Detector
$29.69Features:
Wi-Fi support, app alerts, 10-year lifespan.
What We Think:
"Perfect for smart-home enthusiasts, it blends safety with cutting-edge technology seamlessly."
Why You'll Love It:
"Many appreciate the convenience of being alerted via their smartphones—no more running to check alarms!"
X-Sense 10-Year Battery Smoke and CO Detector
$37.99Features:
Standalone model, LCD display, long battery life, easy installation.
What We Think:
"Offering both smoke and CO detection, this one is a solid choice for those wanting a simple yet effective solution."
Why You'll Love It:
"People appreciate its user-friendly design and low maintenance needs, which fit seamlessly into busy lifestyles!"
First Alert 10-Year Battery Smoke and CO Alarm
$36.49Features:
Slim design, dual sensor technology, end-of-life warning.
What We Think:
"If you're tight on space but need maximum protection, this is a perfect fit with its low-profile design and robust features."
Why You'll Love It:
"Families appreciate the long battery life and smart design that works with any home decor."
First Alert BRK SC-9120B Hardwired Smoke and CO Detector
$34.22Features:
Interconnectable, easy to install, battery backup.
What We Think:
"This hardwired detector is your classic go-to option for those who prefer a steady power source without battery changes."
Why You'll Love It:
"Users love its proven reliability and how easy it is to install with the included mounting tools."
Kidde Smoke and Carbon Monoxide Detector Combo
$143.80Features:
10-year battery, LED indicators, self-testing technology.
What We Think:
"You can't go wrong with this reliable detector! It’s straightforward and efficient for everyday safety."
Why You'll Love It:
"Families celebrate its lack of fuss, with simple operation and no more annoying chirps when batteries are low."
2-in-1 Smoke and Carbon Monoxide Detector
$47.27Features:
Photoelectric and electrochemical sensors, digital display, easy installation.
What We Think:
"This dual-purpose device gives you everything you need for comprehensive home protection: smoke and CO detection in one."
Why You'll Love It:
"Folk love the real-time monitoring and clear display that keeps everyone informed of the air quality."