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10 Best Natural Gas Leak Detectors 2025 in the United States
#1
Winner
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)
This 4-in-1 natural gas leak and carbon monoxide detector from NICGOL is a practical choice for home or RV safety, especially if you want a single device that also monitors temperature and humidity. It uses catalytic sensors known for reliable detection of various gases including methane, propane, CO, and others. The response is quick, triggering both a loud 85 dB alarm and flashing red light when gas levels become dangerous, which is important for catching leaks early.
Rating
10.0
Chosen by1,317
Sensitivity
Power Source
Alarm Type
Most important from
1243 reviews
#2
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
The Kidde Carbon Monoxide Detector is a solid choice for those looking to enhance their home safety, particularly regarding natural gas leaks. One of its key strengths is the easy installation; you simply plug it into a standard outlet, making it accessible for anyone. The inclusion of a 9-volt battery backup ensures that you remain protected even during power outages, which is a crucial feature for emergency situations. The digital LED display is user-friendly, showing carbon monoxide levels or indicating when explosive gases are detected, providing peace of mind with clear information about your home's safety.
Rating
8.2
Sensitivity
Power Source
Alarm Type
Most important from
16536 reviews
#3
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
The TOPTES PT520A Natural Gas Detector is designed for effectively detecting various gases, including methane, propane, and butane, making it suitable for both home and RV use. One of its standout features is the 17-inch gooseneck, which allows you to easily reach tight or hard-to-access areas, such as pipelines and gas fireplaces. This flexibility is a significant advantage for thorough leak detection.
Top 10 Best Natural Gas Leak Detectors 2025 in the United States
#1
Winner
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)
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)
Response Time: quick
Power Source: AC
Alarm Type: loud 85 dB alarm, flashing light
Installation Location: kitchens, RVs, cabins
Additional Features: 4-in-1 gas/CO detector, LCD screen
Chosen by 1317 this week
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
Power Source: Plug In
Alarm Type: Audible
Installation Location: Standard outlet
Additional Features: 9-volt battery backup, Digital LED display
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
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
Response Time: 0.5 seconds
Power Source: Battery Powered
Alarm Type: Audible & Visual
Installation Location: home and RV
Additional Features: 17-inch gooseneck, auto power-off, mute
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
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
Sensitivity: 50-1,000 ppm, 1-5 cm
Response Time: 0.5 seconds
Power Source: Battery Powered
Alarm Type: Audible, Visual
Additional Features: Low battery indicator, Auto power-off
Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries
Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries
Sensitivity: adjustable, 50 to 10,000 ppm
Response Time: quick
Power Source: Battery, 4 AAA batteries included
Alarm Type: Audible, 85dB
Additional Features: Adjustable sensitivity, flexible 18-inch sensor
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RIDGID 36163 CD-100 Micro Combustible Gas Handheld Diagnostic Detector with 16" Flexible Probe and Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck
RIDGID 36163 CD-100 Micro Combustible Gas Handheld Diagnostic Detector with 16" Flexible Probe and Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck
Sensitivity: 50 to 10,000 ppm
Response Time: within seconds
Power Source: Battery Powered
Alarm Type: five red LEDs and 85dB sound
Installation Location: handheld
Additional Features: 16-inch probe, 18-inch gooseneck, grip
TPI HXG-2D Sensit Combustible Gas Leak Detector with Hard Carrying Case, Digital Display, 3 x C Cell Batteries, 10ppm Sensitivity, 16" Gooseneck Length
TPI HXG-2D Sensit Combustible Gas Leak Detector with Hard Carrying Case, Digital Display, 3 x C Cell Batteries, 10ppm Sensitivity, 16" Gooseneck Length
Sensitivity: 10 ppm for methane
Response Time: instant
Power Source: Battery Powered
Alarm Type: Audible, Visual
Additional Features: 16-inch flexible gooseneck, case
#10
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Buying Guide for the Best Natural Gas Leak Detectors
Choosing the right natural gas leak detector is crucial for ensuring the safety of your home or workplace. These devices are designed to detect the presence of natural gas and alert you before it reaches dangerous levels. When selecting a natural gas leak detector, it's important to consider several key specifications to ensure you get a device that meets your needs and provides reliable performance.SensitivitySensitivity refers to the detector's ability to detect low levels of natural gas. This is important because early detection can prevent dangerous situations. Sensitivity is usually measured in parts per million (ppm). Detectors with higher sensitivity can detect smaller amounts of gas, which is ideal for environments where even a small leak could be hazardous. For general home use, a sensitivity of around 50 ppm is typically sufficient, while more sensitive detectors (10-20 ppm) are better for industrial or high-risk areas.
Response TimeResponse time is the amount of time it takes for the detector to alert you after detecting gas. This is crucial for safety, as a faster response time means you can take action more quickly. Response times can vary from a few seconds to a few minutes. For most home applications, a response time of under 30 seconds is adequate. In high-risk environments, a response time of under 10 seconds is preferable.
Power SourceThe power source of a natural gas leak detector can affect its reliability and convenience. Detectors can be battery-operated, plug-in, or hardwired. Battery-operated detectors are portable and can be placed anywhere, but require regular battery changes. Plug-in detectors are easy to install and don't require battery changes, but need to be near an outlet. Hardwired detectors are the most reliable as they are connected directly to your home's electrical system, but they require professional installation. Choose a power source based on your preference for convenience and reliability.
Alarm TypeThe alarm type refers to how the detector alerts you to the presence of gas. Common alarm types include audible alarms, visual indicators (like flashing lights), and even smartphone notifications. Audible alarms are essential for immediate awareness, especially if you are not looking at the detector. Visual indicators can be helpful in noisy environments where an audible alarm might not be heard. Smartphone notifications are useful if you want to be alerted even when you are not at home. Consider your environment and how you are most likely to notice an alert when choosing the alarm type.
Installation LocationThe location where you install your natural gas leak detector can impact its effectiveness. Detectors should be placed near potential sources of gas leaks, such as gas appliances, furnaces, and gas lines. It's also important to install them at the correct height, as natural gas is lighter than air and tends to rise. For most effective detection, place the detector about a foot below the ceiling or near the ceiling in rooms with high ceilings. Consider the layout of your home or workplace and place detectors in areas where gas leaks are most likely to occur.
Additional FeaturesSome natural gas leak detectors come with additional features that can enhance their functionality. These may include digital displays showing gas concentration levels, self-testing capabilities, and connectivity with smart home systems. Digital displays can provide real-time information about gas levels, which can be useful for monitoring and taking preventive measures. Self-testing ensures the detector is functioning properly without manual checks. Smart home connectivity allows for integration with other safety systems and remote monitoring. Consider which additional features might be beneficial for your specific needs and environment.