12 Best Carbon Monoxide Detectors You Can Buy Right Now Ranked & Reviewed for 2025
Stay safe with our curated list of the best carbon monoxide detectors! Protect your home with these reliable alarms.
Kidde Portable Carbon Monoxide Detector
$18.50Features:
Electrochemical sensor technology, easy installation, power during failure, 85dB alarm, event memory.
What We Think:
"Great for anyone looking for a portable and reliable detector."
Why You'll Love It:
"Perfect for tabletop or wall mounting, this little device is easy to use and offers instant peace of mind!"
Kidde Plug-In Carbon Monoxide Detector
$24.79Features:
Easy plug-in installation, 2-AA battery backup, 85dB alarm, test-hush button.
What We Think:
"This one’s super convenient; just plug it in, and you’re good to go!"
Why You'll Love It:
"It’s user-friendly and will keep you alerted when it matters most. Safety made simple!"
First Alert Plug-In Carbon Monoxide Detector
$27.99Features:
Easy plug-in with battery backup, advanced sensor, test/silence button, loud alarm.
What We Think:
"With its high reliability, it's easy to place this detector anywhere!"
Why You'll Love It:
"This detector excels with its simple use and ensured safety—great for any home!"
Kidde Digital Carbon Monoxide and Gas Alarm
$62.59Features:
Plug-in power, 9-volt battery backup, digital LED display, peak level memory.
What We Think:
"Perfect for those who want to see the gas levels in real-time."
Why You'll Love It:
"You can't go wrong with having updated info on detected gas levels, allowing quick reactions."
First Alert 10-Year Battery Carbon Monoxide Detector
$36.49Features:
Easy-to-read display, peak level memory, built-in lithium battery, loud alarm.
What We Think:
"This one offers long-term safety without the headache of constant battery changes."
Why You'll Love It:
"With a design made for safety, you'll feel secure knowing it’ll last a decade!"
X-Sense Wi-Fi Carbon Monoxide Detector
$32.99Features:
Wi-Fi notifications, AC power with battery backup, plug and play design, peak memory.
What We Think:
"High-tech for your home safety—perfect for tech lovers!"
Why You'll Love It:
"Real-time notifications mean you won’t miss a thing, even when you’re not home!"
X-Sense Smoke and Carbon Monoxide Combo Detector
$45.99Features:
Real-time notifications, talking alarm, dual protection sensors, 10-year life.
What We Think:
"This combo makes for comprehensive home safety!"
Why You'll Love It:
"Having alarms announce their location makes reacting that much easier in an emergency!"
X-Sense Smart Smoke and CO Detector
$31.34Features:
Real-time notifications, voice alerts, detection technology, 10-year lifespan.
What We Think:
"An excellent mix of smoke and CO detection that brings peace of mind."
Why You'll Love It:
"The voice alert feature provides clarity in emergencies—super helpful during stress!"
X-Sense Wireless Smoke and Carbon Monoxide Alarm
$119.99Features:
Smartphone management, 2-in-1 detection, easy installation, device sharing.
What We Think:
"Perfect for those who love tech integration in their home!"
Why You'll Love It:
"Keeping your loved ones informed about home safety has never been easier!"
4 Pack Combination Smoke and CO Detector
$11.99Features:
Battery operated, easy to install, photoelectric smoke sensor, electrochemical CO sensor.
What We Think:
"Great value in a multi-pack!"
Why You'll Love It:
"This ensures you’ve got safety covered in every room of your house—super important!"
AOTIQUAL Plug-In Carbon Monoxide Detector
$19.99Features:
Accurate detection, AC powered, LED & LCD display, versatile use.
What We Think:
"An affordable and reliable option for continuous monitoring."
Why You'll Love It:
"With its instant alerts and easy setup, you can monitor CO levels without hassle!"
Kidde Smoke and Carbon Monoxide Detector Combo
$19.99Features:
End-of-life warning, enhanced sensing technology, easy installation, LED notifications.
What We Think:
"A solid option for complete home safety!"
Why You'll Love It:
"With its sleek design and reliable performance, it’s a must-have in every home!"