10 Best carbon monoxide detector for homes of 2025

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1

Kidde
Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display

39% Off
Main highlights

Plug-in and Battery Backup Convenience
Easy installation with plug-in feature and 9-volt battery backup for power outages.

Ideal for Homes with Fireplaces
Perfect for homes with fireplaces, providing early CO detection before other systems.

Highly Praised Digital Display
Customers appreciate the digital LED display for showing CO levels and peak memory feature.
Key specs
- power source:Plug In
- alarm:Audible
- sensor:Ionization
- battery:2 AAA batteries included
- dimensions:1.75D x 3.75W x 6.06H
9.6

Exceptional

Our Rating

9.9
Easy to build

9.9
Flexibility

9.9
Easy installation
How do we rank?

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Value for Money

2

FANSTLOYI
2Packs, Smoke and Carbon Monoxide Detector, LCD Digital Display, 2 in 1 Technology, Easy to Use, 85db Alarm, for Home and Kitchen
Main highlights

Comprehensive Protection
Combines smoke and carbon monoxide detection for home safety.

Ideal for Home and Kitchen
Perfect for home and kitchen use, ensuring safety.

Praised Feature: Easy Installation
Customers love the straightforward installation and operation.
Key specs
- power source:Battery Powered
- alarm:85 dB alarm
- sensor:Photoelectric
- battery:3 AA batteries
- dimensions:4.96D x 3.62W x 4.65H
9.5

Excellent

Our Rating
3

Kidde
Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button

35% Off
Main highlights

Easy Installation and Battery Backup
Simply plug into a 120V outlet; includes 2-AA battery backup.

Ideal for Homes with Gas Appliances
Perfect for homes with gas stoves and furnaces.

Highly Praised Loud Alarm
85-decibel alarm effectively alerts even heavy sleepers.
9.3

Excellent

Our Rating

9.7
Easy installation

9.5
worth the money

9.5
Simple to use
4

Kidde
Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

21% Off
Main highlights

Battery Powered Convenience
Operates on 2-AA batteries, includes Test-Hush button for easy testing and silencing.

Ideal for Multi-Level Homes
Perfect for bedrooms and living areas, especially with wood-burning stoves.

Highly Rated Alarm Performance
Praised for its loud, effective alarm and reliable detection.
9.1

Excellent

Our Rating

9.9
Easy installation

9.7
worth the money

9.7
Simple to use
5

First Alert
First Alert Carbon Monoxide Detector, Plug-In Alarm with Battery Backup, CO605, White, 1-Pack

40% Off
Main highlights

Easy Installation with Backup Power
Plug-in design with battery backup ensures continuous CO monitoring.

Ideal for Home Safety
Perfect for multi-level homes and RVs, detects CO effectively.

Highly Rated for Reliability
Customers praise its reliable CO detection and easy setup.
8.9

Very Good

Our Rating

9.7
Easy installation

9.5
Simple to use

9.5
clearly written
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6

First Alert
First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
Main highlights

Continuous CO Monitoring
Battery-operated, providing uninterrupted monitoring even during power failures.

Ideal for Home Safety
Perfect for bedrooms and each level of your home.

Highly Praised Alarm
Customers appreciate the loud, effective 85-decibel alert.
8.8

Very Good

Our Rating

9.3
Easy installation

9.3
clearly written

9.1
Precision
7

HAKINAKU
HAKINAKU 3in1 Plug in Carbon Monoxide Detectors Built-in Rechargeable Backup Battery Plug&Play CO Temp Humidity with 2.1'' HD Screen & Indicator 85dB Alarm for Home Hotel RV (1-Pack, White)
Main highlights

Real-Time Monitoring
Integrated CO, temperature, and humidity sensors for real-time alerts.

Versatile Use
Ideal for homes, hotels, and RVs with plug-in design.

Customer Favorite Feature
Highly praised for its easy setup and reliability.
Key specs
- power source:AC/Battery
- alarm:85dB alarm
- sensor:CO, temperature, humidity
- battery:1000 mAh rechargeable
- dimensions:2.04 x 1.3 x 3.34 inches
8.7

Very Good

Our Rating
8

SHYEEH
Carbon Monoxide Detectors, CO Detector Battery Powered, Carbon Monoxide Alarm with Sensitive CO Sensor, LCD Display and Sound Warning for Home, Bedroom, Kitchen
Main highlights

Advanced Electrochemical Sensor
Detects dangerous CO levels accurately and quickly with UL2034 compliance.

Ideal for Older Homes
Perfect for monitoring CO levels in older homes, especially during winter.

Real-Time LCD Display
Praised for its clear CO level readings and ease of use.
Key specs
- power source:Battery Powered
- alarm:85dB to 215-430ft
- sensor:Electrochemical sensor
- battery:3 AA batteries required
- dimensions:4.25 x 4.21 x 1.93 inches
8.4

Good

Our Rating
9

pumwry

3 Pack Carbon Monoxide detectors,co Detector,Carbon Monoxide Alarm,co2 Detector Battery Powered with LCD Display,Carbon Monoxide Detector,UL2034 Standards,for Home
8.3

Good

Our Rating

9.9
Easy installation

9.9
Precision

9.9
clearly written
10

Kidde
Kidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
Main highlights

Battery Operated Convenience
Operates on 3 AA batteries, ensuring functionality during power failures.

Ideal for Home and Travel
Perfect for home use, garages, and portable enough for travel.

User-Friendly Design
Highly praised for easy installation and portability.
8.2

Good

Our Rating

9.9
Simple to use

9.7
Easy installation

9.7
clearly written

10 Best carbon monoxide detector for homes of 2025

1

Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display

9.9

9.9

9.9

How do we rank?

How do we rank?

Analyzing top stores

2

2Packs, Smoke and Carbon Monoxide Detector, LCD Digital Display, 2 in 1 Technology, Easy to Use, 85db Alarm, for Home and Kitchen

3

Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button

9.7

9.5

9.5

4

Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

9.9

9.7

9.7

5

First Alert Carbon Monoxide Detector, Plug-In Alarm with Battery Backup, CO605, White, 1-Pack

9.7

9.5

9.5

6

First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack

9.3

9.3

9.1

7

HAKINAKU 3in1 Plug in Carbon Monoxide Detectors Built-in Rechargeable Backup Battery Plug&Play CO Temp Humidity with 2.1'' HD Screen & Indicator 85dB Alarm for Home Hotel RV (1-Pack, White)

8

Carbon Monoxide Detectors, CO Detector Battery Powered, Carbon Monoxide Alarm with Sensitive CO Sensor, LCD Display and Sound Warning for Home, Bedroom, Kitchen

9

3 Pack Carbon Monoxide detectors,co Detector,Carbon Monoxide Alarm,co2 Detector Battery Powered with LCD Display,Carbon Monoxide Detector,UL2034 Standards,for Home

9.9

9.9

9.9

10

Kidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

9.9

9.7

9.7

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