Top 15 Carbon Monoxide Detectors for Peace of Mind Ranked & Reviewed for 2025

Explore our top 15 carbon monoxide detectors, ensuring safety and peace of mind for every home!

Expert Reviewed
Updated June 2025
Kidde Carbon Monoxide Detector with Battery Backup

Kidde Carbon Monoxide Detector with Battery Backup

$24.79
4+ Stars
KiddeCarbon MonoxideHome SafetyAlarmDetector

Features:

Easy installation; 2-AA battery backup; 85-decibel alarm; Peak Level Memory; test-hush button; 10-year limited warranty.

What We Think:

"This device is as reliable as your favorite umbrella—always there when you need it! Just plug it into a wall and rest easy knowing it’s on duty, ready to alert you if needed."

Why You'll Love It:

"Users rave about its straightforward setup and peace of mind, making it a must-have for any home."

View on Amazon
Kidde Battery Powered Carbon Monoxide Detector

Kidde Battery Powered Carbon Monoxide Detector

$18.50
4+ Stars
KiddeBattery OperatedPortableCO AlarmHome Safety

Features:

Electrochemical sensor technology; no wiring needed; portable; 85-decibel alarm; event memory.

What We Think:

"A fantastic choice for ease of use and portability—perfect for small spaces or even traveling!"

Why You'll Love It:

"Reviewers love how easily it can be moved from room to room while still providing reliable protection."

View on Amazon
First Alert Plug-In Carbon Monoxide Detector

First Alert Plug-In Carbon Monoxide Detector

$27.99
4+ Stars
First AlertPlug-InCO DetectorHome SafetyReliable

Features:

Easy installation; advanced electrochemical sensor; 85-decibel alarm; 7-year limited warranty.

What We Think:

"This one's like the Swiss army knife of CO detectors—simple yet effective! It saves you from worrying about batteries with its backup option."

Why You'll Love It:

"Home safety enthusiasts appreciate its reliability and the quiet low battery signal—no more annoying chirps!"

View on Amazon
Kidde AA Battery Powered CO Alarm

Kidde AA Battery Powered CO Alarm

$27.94
4+ Stars
KiddeCO AlarmBattery PoweredPortable SafetyEasy Setup

Features:

Electrochemical sensor technology; easy installation; Peak Level Memory; 85-decibel alarm.

What We Think:

"You’ll love its lightweight design and quick installation—ideal for easy relocation!"

Why You'll Love It:

"Customers appreciate its responsiveness and straightforward setup, making it a no-brainer for home safety."

View on Amazon
First Alert CO400 Carbon Monoxide Detector

First Alert CO400 Carbon Monoxide Detector

$19.99
4+ Stars
First AlertCO DetectorBattery OperatedHome SafetyTrustworthy

Features:

Battery operated; advanced electrochemical sensor; 5-year limited warranty; 85-decibel alarm.

What We Think:

"A reliable little gadget; this unit is ready to protect your family day and night!"

Why You'll Love It:

"Homeowners appreciate its effectiveness, especially its clear alert system during dangers—safety first!"

View on Amazon
X-Sense Carbon Monoxide Detector with Wi-Fi Notifications

X-Sense Carbon Monoxide Detector with Wi-Fi Notifications

$36.49
4+ Stars
X-SenseWi-Fi AlertsCO DetectorSmart HomeSafety Tech

Features:

2-in-1 smoke & CO detection; real-time alerts; connects to the app; long battery life.

What We Think:

"Talk about a high-tech safety solution! Instant notifications allow you to manage your home safety right from your phone."

Why You'll Love It:

"Tech lovers can’t get enough of the convenience—monitoring safety has never been easier!"

View on Amazon
Kidde Carbon Monoxide Detector with Digital Display

Kidde Carbon Monoxide Detector with Digital Display

$42.94
4+ Stars
KiddeDigital DisplayCO DetectorPlug-InHome Assurance

Features:

Plug-in operation; works during power outages; digital LED display; 85-decibel alarm.

What We Think:

"This is a tech-savvy detector ideal for modern homes! Plus, the display provides useful information at a glance."

Why You'll Love It:

"Users find the digital display useful for monitoring CO levels in real-time—an excellent addition to any safety protocol."

View on Amazon
First Alert Carbon Monoxide Detector with Digital Display

First Alert Carbon Monoxide Detector with Digital Display

$36.49
4+ Stars
First AlertDigital CO DetectorHome SafetyTemperature DisplayInnovative

Features:

10-year lifespan; digital temperature display; peak level feature; 85-decibel alarm.

What We Think:

"Why not have both a temperature gauge and CO detection? It’s like a two-for-one special on safety!"

Why You'll Love It:

"The sleek design and additional features help users feel not just safe, but smart too!"

View on Amazon
X-Sense Smart Carbon Monoxide Detector

X-Sense Smart Carbon Monoxide Detector

$13.39
4+ Stars
X-SenseSmart CO DetectorVoice NotificationHome SafetyDual Sensors

Features:

Instant notifications; talking alarm; dual-sensor technology; backup battery.

What We Think:

"A unique feature of voice alerts provides specific location information—it practically talks to you!"

Why You'll Love It:

"Users appreciate the detailed communication about safety threats, making it incredibly user-friendly."

View on Amazon
X-Sense Smart Interconnected CO Alarm

X-Sense Smart Interconnected CO Alarm

$29.69
4+ Stars
X-SenseInterconnectedHome SafetyDigital TechReliable

Features:

Battery-operated; app alerts; detects both smoke and CO; interconnected system.

What We Think:

"This one’s all about team spirit—the interconnected alarms ensure everyone reacts swiftly in case of danger!"

Why You'll Love It:

"Families love the peace of mind knowing all units will alert together."

View on Amazon
First Alert Dual-Power Plug-In CO Detector

First Alert Dual-Power Plug-In CO Detector

$29.99
4+ Stars
First AlertPlug-InDual-PowerHome SafetyTop Choice

Features:

Digital display; peak level feature; 85-decibel alarm; 7-year warranty.

What We Think:

"It’s like having the best of both worlds: plug-in power with battery backup, leading to no-sweat safety!"

Why You'll Love It:

"Highly rated for effectiveness and design, making it an easy and trustworthy addition to any home."

View on Amazon
YMDJL Carbon Monoxide Detector with LCD Display

YMDJL Carbon Monoxide Detector with LCD Display

$17.99
4+ Stars
YMDJLLCD DisplayCompactBattery OperatedEssential Safety

Features:

High sensitivity; battery operated; loud alarm; compact design.

What We Think:

"This little gadget is straightforward and efficient—a simple yet crucial addition to your home safety arsenal!"

Why You'll Love It:

"Users love the compactness, making it easy to place in various spots to maximize CO detection."

View on Amazon