10 Best gas detectors of 2025

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1

Klein Tools
Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries
Main highlights

Wide Detection Range
Detects gas concentrations from 50 to 10,000 ppm for versatile monitoring.

Ideal for Leak Detection
Perfect for identifying gas leaks in residential and commercial spaces.

Praised Feature: Accuracy
Highly praised for its accuracy in finding hidden gas leaks.
9.9

Exceptional

Our Rating

9.1
Simple to use

8.7
Precision

8.4
worth the money
How do we rank?

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Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

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Value for Money

2

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.
9.6

Exceptional

Our Rating

9.7
Noise level

9.5
Easy installation

9.5
clearly written
3

TOPTES
TopTes PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange
Main highlights

Comprehensive Gas Detection
Detects LPG, methane, propane, and more, preventing gas explosions.

Ideal for Home and RV Use
Perfect for homeowners and RV enthusiasts with gas appliances.

Highly Praised Accuracy
Customers appreciate its accuracy in pinpointing gas leaks.
Key specs
- Alarm:Audible, Visual
- Dimensions:0.79D x 0.79W x 6.5H
- Power:Battery Powered
- Sensor:Gas Sensitive Semiconductor GSS
- Detection Range:N/A
9.3

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Easy installation
4

TOPTES
PT520A Natural Gas Detector, Gas Leak Detector with 17-Inch Gooseneck, Locating The Source Like Propane, Methane, and Butane for Home and RV (Includes Battery x3) - Orange
Main highlights

Accurate Detection of Combustible Gases
The TOPTES PT520A detects methane, propane, and other gases quickly and accurately.

Ideal for Home and RV Use
Perfect for detecting gas leaks in homes, RVs, and tight spaces.

Praised for Ease of Use
Customers love the easy setup, operation, and clear instructions.
Key specs
- Alarm:Audible & Visual
- Dimensions:11.22D x 2.36W x 5.31H
- Power:Battery Powered
- Sensor:Electrochemical
- Detection Range:50 to 10,000 ppm
9.2

Excellent

Our Rating

9.7
worth the money

9.7
Simple to use

9.3
Precision
5

NICGOL

4-in-1 Upgraded Natural Gas Leak Detector and Carbon Monoxide Detectors, Dual Sensor Gas Leak Detector & Carbon Monoxide Detectors Plug in (Temperature & Humidity) for Home, RV (Black)

26% Off
9.1

Excellent

Our Rating
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6

TOPTES
Natural Gas Detector, TopTes PT177 Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Leak Sources Like Methane, Propane for Home (Includes Battery x2)-Orange
Main highlights

Quick and Easy Leak Detection
Detects combustible gas leaks within 0.5 to 3 seconds with visual and audible alarms.

Ideal for Home Safety
Perfect for homeowners with gas appliances, BBQ grills, and fireplaces.

Praised for Ease of Use
Customers love its compact size and straightforward operation.
Key specs
- Alarm:Visual & Audible Alarm
- Dimensions:8.15 x 2.68 x 1.69 inches
- Power:Battery Powered
- Sensor:Combustible Gas Detector
- Detection Range:50 to 1,000 ppm
9.0

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Precision
7

HSTMYFS
HSTMYFS Natural Gas Leak Detector, Plug-in Propane Natural Gas Detector for Home Kitchen RV, Combustible & Explosive Gas Alarm for LPG, LNG, Methane
Main highlights

Versatile Gas Detection
Detects LPG, methane, CNG, propane, and natural gas for home safety.

Ideal for Home Use
Best for kitchens, RVs, and areas needing gas leak detection.

Easy Installation Praised
Customers appreciate simple plug-in setup and reliable performance.
8.9

Very Good

Our Rating

8.7
Easy installation

8.2
Simple to use

8.0
worth the money
8

zangang

Natural Gas Leak Detector, Portable Gas Sniffer with Audible & Visual Alarm, for Combustible Gas Like Methane, Propane -50A
8.8

Very Good

Our Rating
9

Veevvio

Natural Gas Leak Detector, Veevvio Gas Detector with Audible & Visual Alarm, Gas Sniffer with 11-Inch Gooseneck to Locate Combustible Sources Like Propane Methane for Home and RV (Includes Battery x6)

10% Off
8.7

Very Good

Our Rating
10

EG
Gas Leak Detector – Portable Natural Gas Sniffer for Propane, Methane, LPG, LNG, Fuel & Sewer Gas – Combustible Gas Detector with 12" Flexible Probe for Home, RV, Industrial Use
Main highlights

Multiple Detectable Gases
Locates leaks from various gases including methane, propane, gasoline, and more, ensuring comprehensive safety and detection capabilities.

Flexible and Portable
Ideal for checking gas pipelines, fuel lines, and confined spaces both indoors and outdoors with its 12-inch flexible sensor neck and portability.

Ease of Use and Accuracy
Praised for its easy calibration, adjustable sensitivity, and high accuracy in detecting even small gas leaks, making it user-friendly and reliable.
Key specs
- Alarm:85dB alarm
- Dimensions:5.9 x 2.7 x 1 inches
- Power:Battery Powered
- Sensor:12-inch length sensor neck
- Detection Range:N/A
8.4

Good

Our Rating

9.7
worth the money

9.5
Easy installation

9.5
Simple to use

10 Best gas detectors of 2025

1

Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries

9.1

8.7

8.4

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

TopTes PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange

9.7

9.5

9.5

4

PT520A Natural Gas Detector, Gas Leak Detector with 17-Inch Gooseneck, Locating The Source Like Propane, Methane, and Butane for Home and RV (Includes Battery x3) - Orange

9.7

9.7

9.3

5

4-in-1 Upgraded Natural Gas Leak Detector and Carbon Monoxide Detectors, Dual Sensor Gas Leak Detector & Carbon Monoxide Detectors Plug in (Temperature & Humidity) for Home, RV (Black)

6

Natural Gas Detector, TopTes PT177 Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Leak Sources Like Methane, Propane for Home (Includes Battery x2)-Orange

9.7

9.5

9.5

7

HSTMYFS Natural Gas Leak Detector, Plug-in Propane Natural Gas Detector for Home Kitchen RV, Combustible & Explosive Gas Alarm for LPG, LNG, Methane

8.7

8.2

8.0

8

Natural Gas Leak Detector, Portable Gas Sniffer with Audible & Visual Alarm, for Combustible Gas Like Methane, Propane -50A

9

Natural Gas Leak Detector, Veevvio Gas Detector with Audible & Visual Alarm, Gas Sniffer with 11-Inch Gooseneck to Locate Combustible Sources Like Propane Methane for Home and RV (Includes Battery x6)

10

Gas Leak Detector – Portable Natural Gas Sniffer for Propane, Methane, LPG, LNG, Fuel & Sewer Gas – Combustible Gas Detector with 12" Flexible Probe for Home, RV, Industrial Use

9.7

9.5

9.5

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