June 30, 2025

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10 Best low level carbon monoxide detectors of 2025

Save up to 40% off

Best Choice

1

FORENSICS DETECTORS FD
Fast Low Level CO Monitor by Forensics | Offices, Classrooms, Home, Retail | > 10ppm Display | 25ppm Alarm |
Main highlights

Fast and Early Detection
Designed to alarm early and fast, with a 5-year sensor life and alarms at 25 ppm in 1 minute.

Protection for Vulnerable Groups
Ideal for older adults, the elderly, pregnant women, young children, and those with medical conditions, thanks to its low-level CO detection.

Highly Responsive Customer Service
Customers praise the company's quick response to inquiries, helpful YouTube channel, and the inclusion of lithium batteries with the product.
9.7

Exceptional

Our Rating

9.7
Precision

9.5
Simple to use

9.3
movability
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Kidde
Kidde Ultra-Sensitive Carbon Monoxide Detector for Pets, Health, or Medical Conditions, Battery Powered with Digital Display, UNIT

10% Off
Main highlights

Detects Low CO Levels
Electrochemical sensor detects CO levels below 30 PPM, ideal for families or pets, especially those with medical conditions. Operates on 3-AA batteries included.

Ideal for Sensitive Monitoring
Perfect for homes with gas appliances or areas requiring sensitive CO detection. Easy installation on wall or table top, operates during power failures.

Praised for Sensitivity
Customers appreciate the monitor's ability to detect low CO levels, providing peace of mind and quick response. Easy installation and clear digital display also praised.
9.6

Exceptional

Our Rating

9.9
clearly written

9.3
Easy installation

8.0
Precision
3

TOPTES

TOPTES CT-580 Portable Carbon Monoxide Detector, Rechargeable CO Detector with Vibration, Visual & Audible Alarms, 0-1000PPM, TFT Color Display for Home, Camping, Travel, Industrial & Professional Use
9.5

Excellent

Our Rating
4

X-Sense
X-Sense Carbon Monoxide Detector Alarm with Digital LCD Display, Replaceable Battery CO Alarm Detector with Peak Value Memory, XC01-R

34% Off
Main highlights

Flexible_Installation_and_Portability
The X-Sense CO Detector can be wall-mounted or free-standing, making it ideal for home and travel.

Ideal_for_Home_and_Travel_Use
Perfect as a backup CO detector at home or a portable safety device while traveling.

Praised_for_Small_Size_and_Convenience
Customers appreciate its compact size, portability, and ease of installation.
9.4

Excellent

Our Rating

9.5
Easy installation

9.5
clearly written

9.1
Precision
5

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.
9.1

Excellent

Our Rating

9.9
Easy to build

9.9
Flexibility

9.9
Easy installation
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6

Kidde
Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, 3 LEDs, Replacement Indicator, Peak Level Memory

40% Off
Main highlights

Long-lasting Battery and Easy Installation
Operates on a 10-year lithium battery, ensuring no need for replacements.

Ideal for Home Safety
Perfect for homes, continuously detects CO even during power failures.

Highly Rated for Ease of Use
Customers praise the straightforward installation and operation.
8.8

Very Good

Our Rating

9.7
Easy installation

9.7
clearly written

9.5
Precision
7

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.
8.7

Very Good

Our Rating

9.9
Simple to use

9.7
Easy installation

9.7
clearly written
8

PROTECTMETER
Carbon Monoxide Detectors, 4 in 1 Protectmeter Natural, Propane, Methane Portable Traval Gas Leak Detector, Carbon Monoxide Detectors Plug in, Temperature & Humidity Detectors, Digital LCD

15% Off
Main highlights

Comprehensive Gas Detection
Detects multiple gases including carbon monoxide, propane, and methane with a loud 85-decibel alarm for safety.

Ideal for Travel and Home
Perfect for home use or travel with easy plug-in installation and portability.

User-Friendly Installation
Highly praised for simple setup and immediate functionality, making it accessible for all users.
8.6

Very Good

Our Rating
9

FORENSICS DETECTORS FD
Car, Vehicle, Aircraft Carbon Monoxide CO Detector | Fast Low-Level 9ppm Alarm | Vehicles, Police, Pilots, Travel, Bus, Trucks | Metal Body, Small 2oz |
Main highlights

Key Features and Benefits
Accurate CO detection at low levels, fast alarms, easy to use with a long battery life, and a compact design with simple installation.

Ideal Use Cases
Perfect for vehicles like SUVs, trucks, school buses, and aircraft to prevent headaches, nausea, and driver fatigue due to exhaust leaks.

Customer Reviews Highlight
Most praised for its fast and accurate CO detection, ensuring safety and peace of mind for drivers and passengers alike.
8.4

Good

Our Rating

9.3
Simple to use

9.3
clearly written

8.9
worth the money
10

Kidde
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
Main highlights

Easy Installation with Battery Backup
Simply plug into a 120V outlet; 9V battery ensures operation during power outages.

Ideal for Gas and CO Monitoring
Perfect for homes with natural gas, propane, or potential CO leaks.

Highly Rated Audible Alarm
Customers praise the loud 85-decibel alarm for effective alerting.
8.1

Good

Our Rating

9.7
Noise level

9.5
Easy installation

9.5
clearly written

10 Best low level carbon monoxide detectors of 2025

1

Fast Low Level CO Monitor by Forensics | Offices, Classrooms, Home, Retail | > 10ppm Display | 25ppm Alarm |

9.7

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Kidde Ultra-Sensitive Carbon Monoxide Detector for Pets, Health, or Medical Conditions, Battery Powered with Digital Display, UNIT

9.9

9.3

8.0

3

TOPTES CT-580 Portable Carbon Monoxide Detector, Rechargeable CO Detector with Vibration, Visual & Audible Alarms, 0-1000PPM, TFT Color Display for Home, Camping, Travel, Industrial & Professional Use

4

X-Sense Carbon Monoxide Detector Alarm with Digital LCD Display, Replaceable Battery CO Alarm Detector with Peak Value Memory, XC01-R

9.5

9.5

9.1

5

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

9.9

9.9

9.9

6

Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, 3 LEDs, Replacement Indicator, Peak Level Memory

9.7

9.7

9.5

7

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

9.9

9.7

9.7

8

Carbon Monoxide Detectors, 4 in 1 Protectmeter Natural, Propane, Methane Portable Traval Gas Leak Detector, Carbon Monoxide Detectors Plug in, Temperature & Humidity Detectors, Digital LCD

9

Car, Vehicle, Aircraft Carbon Monoxide CO Detector | Fast Low-Level 9ppm Alarm | Vehicles, Police, Pilots, Travel, Bus, Trucks | Metal Body, Small 2oz |

9.3

9.3

8.9

10

Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display

9.7

9.5

9.5

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