This is the ultimate buyer’s guide to the Best Gas Leak Detectors. We’ve listed our top picks, including the Most popular, Top-rated, and Bestselling Products.
After hours of scanning and analyzing the market, using too many factors, we have found the Best Gas Leak Detectors of 2022. Check out our ranking below!


Top 20 Best Gas Leak Detectors of 2022



Best Gas Leak Detectors 2022 (Reviews)


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

$140.00
$119.99
 in stock
17 new from $119.99
5 used from $90.07
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Detection range: Approximately 50 to 10,000 ppm* (*based on Methane)
  • Two levels of sensitivity: High (approximately 50 to 1000 ppm) and Low (approximately 1000 to 10,000 ppm)
  • Five red LED's (visual) and 85dB audible alerts that increase with gas concentration
  • Automatic zero-point calibration at power-up (lights will flash during self-calibration; this does not indicate the presence of gas)
  • 18-Inch flexible gooseneck expands sensor's reach; clips onto meter for storage

Kidde Nighthawk Carbon Monoxide Detector & Propane, Natural, & Explosive Gas Detector, AC-Plug-In with Battery Backup, Digital Display

$39.99
$38.00
 in stock
21 new from $38.00
1 used from $74.99
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Easy to install CO and explosive gas alarm with three convenient mounting options including AC wall outlet, plugin six foot power cord, or table top
  • Carbon Monoxide (CO) alarms four quick beeps, followed by five seconds of silence, followed by four quick beeps. Displays CO concentration
  • Gas alarms one second of alarm on, one second of alarm off, repeating with “GAS” shown in display
  • Loud pulsing alarm that will sound to alert you to a potential problem
  • Low battery warning feature indicates when the battery needs replacement

Y201 Propane and Natural Gas Leak Detector; Portable Gas Sniffer to Locate Gas Leaks of Combustible Gases Like Methane, LPG, LNG, Fuel, Sewer Gas; w/ Flexible Sensor Neck, Sound & LED Alarm, eBook

$38.49
$32.99
 in stock
2 used from $30.49
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • MULTIPLE DETECTABLE GASES: Locates combustible & explosive gas leaks from methane / natural gas, propane, fuel, ethane, butane, alcohol, coal gas, gasoline, toluene, kerosene, sewer gas, and other flammable gases.
  • FLEXIBLE & PORTABLE GAS LEAK DETECTOR: Bend 12-inch length sensor neck in any direction along gas pipes & fuel lines or within confined spaces. Powered by 3 AAA batteries, this portable gas detector sniffer can be taken anywhere to find leaks outdoors or indoors.
  • VISUAL / AUDIO GAS INDICATORS: 6 LEDs with 85dB alarm notify user of presence and relative concentrations of natural gas & propane leaks.
  • ADJUSTABLE SENSITIVITY: Increase sensitivity dial to find small gas leaks. Decrease sensitivity to find larger explosive gas leaks while filtering out false alarms from background gas levels.
  • LIFETIME WARRANTY + ORIGINAL DESIGN: We stand fully behind this product and will replace it if it ever breaks! We have an English fluent chemist on staff to answer any technical questions. Also included is a 20+ page eBook on Gas and Air Quality Hazards.

Techamor Y201 Portable Methane Propane Combustible Natural Gas Leak Sniffer Detector

$37.99
$32.99
 in stock
2 new from $32.99
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Detect Various Flammable Gases: Portable Natural gas sniffer and tester is used to locate exact gas leak for various combustible gas, such as methane, natural gas, propane, LPG, sewer gas, coal gas, gasoline, other flammable gases.
  • Detection Range: Approximately 50 to 10,000 ppm (Based on Methane), instant response once encounter leakage points.
  • Easy-to-Use Gas Leak Detector: Powered by 3 AAA batteries (Not included), 12 inch bendable gooseneck can locate and detect the gas leaks even in hard-to-reach areas at home & VR, kitchen and fireplace etc., refer to “How and Where to Use the Y201 Combustible Gas Detector” video.
  • Sound and Visual Gas Alarm: UL2075 Certified. Six red LED’s (visual) and 85dB audible alerts once encounter gas leakage along pipeline or around the suspected leakage points.
  • Original Design and Lifetime Technical Support: Design patent and certifications are applied to make sure the product quality and uniqueness. Replacement and friendly customer service are available even it’s broken in 24 months.

Seesii Portable Gas Leak Detector, Handheld Natural Gas Sniffer High Sensitivity with LCD Display, Battery Powered, Locates Combustible Gas Like LPG, LNG, Methane & Butane Gases,Carbon Monoxide

$29.99  in stock
3 new from $29.99
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • 【DETECTS MANY KINDS OF COMBUSTIBLE GASES】 Detects a large number of flammable gases, like methane, natural gas, propane, butane, ethane, coal gas, gas oil, gasoline, toluene, sewer gas,alcohol, ketones, carbon monoxide and more. Detect gas between 50 and 10,000 parts per million (ppm), can be used by homeowners, professionals, or real estate agents.
  • 【HIGH SENSITIVE AND QUICK RESPONSE】Has two sensitivity settings instead of a knob like the other handheld detectors,Quick response within 5 seconds.High and low sensitivity are switchable for different scenarios. Allow users with the ability to quickly and easily detect gas leaks in most hard-to-reach places around appliances.
  • 【AUDIBLE & VISUAL ALARM】Alarms continuously with 85dB tone and LCD light turn red when detecting gas leak. has a digital backlight LCD screen, visually display the gas level , easy to read in dark. Use batteries to operate and has a low-battery indicator( 2pcs AAA batteries not included). Power-save modes,auto power off after about 10 minutes if there are no operation and measurement signal.
  • 【COMPACT & PORTABLE】Has an easy-to-understand interface with its on/off and sensitivity button, customers can operate the device with one hand. Has rubber around the outside to make holding it easier. Pen type design,easy to carry and operate. Look for a detector that can sense even the smallest amounts of gas or else you could be unknowingly exposed to a toxic substance.
  • 【WIDE APPLICATION】Hold this handheld detector in the area where you think there might be a leak and wait for the device to display the current gas levels.Widely used in detecting gas leak of lawnmower, your basement, RV, factory workspace, gas stove, water heater and other household devices at home to secure safety.Safe and reliable gas leak Tester.

UEi Test Instruments CD100A Combustible Gas Leak Detector

$150.18
$142.70
 in stock
16 new from $142.00
4 used from $87.30
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Comprehensive Gas Detection: This handheld gas detector is capable of detecting acetone, ammonia, butane, methane, natural gas, LPG, Jet fuel. Great detector for any residential or commercial HVAC needs.
  • Easy to Use: Simply turn on the gas leak detector, let it warm up for 10 seconds in open air, and then point gooseneck toward suspected areas. When a leak is found the leak detector will provide both audio and visual cues through increasing tic rate. This Gas leak detector is great for any homeowner or HVAC contractor and is great for both industrial and residential environments
  • Effective in Tight Spaces: This gas sniffer features a long 18" flexible gooseneck to access hard to reach places. Also includes a tip light at the end of gooseneck to illuminate leak in a dark environment
  • Efficient: This combustion gas leak detector will save time while assessing equipment. It is faster and more effective than the traditional soap method.

Gas Leak Detector by Forensics | Combustibles | 2021 Design | 10ft Drop Test | Natural Gas, Methane & Combustibles | RED Color |

$98.45
$89.45
 in stock
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • ⚛️ ACCURATE: Made in Japan sensor. Methane Calibrated.
  • SHOCK: ABS housing can take a 10ft drop.
  • DISPLAY: Large color LCD screen with temperature.
  • USES: For inspectors, technicians, engineers.
  • ️ TRUST: ** 1 year limited warranty ** 7 year sensor life **

General Tools CGD900 Intrinsically Safe MSHA Approved Combustible Gas Leak Detector

$299.00
$241.92
 in stock
10 new from $241.87
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Ideal for detecting more combustible gases (including hydrocarbons) than competitive units; sensitivity as low as 5ppm (methane)
  • Numeric LED display of sensitivity; bright LED is visible in sunlight; Response time is instantaneous and warm up time is less than 10 seconds
  • Features long life sensor (300+ hours), unique digital leak size alarm, automatic calibration and alarm mute mode
  • MSHA approved; intrinsically safe (in methane-air only)
  • Made in the USA

Natural Gas Detector, Propane Detectors for Home,Natural Gas Propane Leak Alarm for Home Kitchen, High Sensitivity Natural Gas Propane Leak Detection (Light White)

$25.99  in stock
2 new from $25.99
1 used from $18.83
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Home gas detector suitable for detecting LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc.
  • Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. 85dB alarm sound, reduce the risk of gas explosion and protect your family's life and property safety.
  • Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.
  • This product can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital,Hotel, Oil Factory,Garage, Gas Station etc.
  • The system warm-up time is about 2-3 minutes. During this time period, the gas test will not work. You need to wait for the display to show 0 (the system enters the working state) before it can be tested normally.Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.

Natural Gas Detector and Propane Detector. Natural Gas Alarm and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-in Gas Leak Sensor for Explosive LPG, LNG, Methane & Butane Gases w Free EBOOK!

$45.00
$34.99
 in stock
1 used from $28.99
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • ✅ PROTECT YOUR FAMILY! - Be worry free and know you did everything to keep your family safe from accidents caused by dangerous gas leaks from your stove, furnace, water heater, washing machine, fireplace, kitchen, garage or grill.
  • ✅ SAVE YOUR TIME- Plug and Play! Don't waste your precious, limited free time with complex installations and never change a battery! Just plug in and get on with your day!
  • ✅ STAY STYLISH - No tacky cord! Don't drill holes in your wall! This sleek and modern white natural gas alarm is wireless and will complement the style of your home or camper without detracting from your interior design.
  • ✅ GET MAXIMUM SAFETY - The All-In-One GasKnight natural gas leak detector detects the main deadly gases: 1. Natural gas (Methane, butane, ethane, LNG, etc) and 2. Propane (LPG or liquefied petroleum gas).
  • ✅ HAPPINESS GUARANTEED - In plain English, if you don't like your GasKnight, we'll refund your money. We are an American company. FREE 2-YEAR WARRANTY AVAILABLE. ORDER YOURS TODAY!

BW Technologies XT-XWHM-Y-NA GasAlertMax XT II 4-Gas Detector with Pump, Combustible, O2, H2S and CO, Yellow

$898.00
$677.99
 in stock
6 new from $677.99
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research, and ambient air monitoring applications
  • Electrochemical cell sensor measures H2S and carbon monoxide levels in ppm, capillary-pore fuel cell measures oxygen in percent by volume, and catalytic bead combustible sensor measures explosive gases in percent LEL
  • Audio, visual, and vibration alarms alert simultaneously when ambient H2S, oxygen, carbon monoxide, and combustible gases reach preset low, high, TWA, or STEL levels
  • LCD screen shows up to four ambient gas concentrations, battery level, alarm condition, and the status of calibration, bump, and sensor self-tests
  • Integrated diaphragm pump allows for localized sampling of the atmosphere for more precise readings than those generated through diffusion

TIF XP-1A SF6 High Sensitivity Halogen Gas Leak Detector, Refrigerant Leak Detector Analyzer, Microprocessor Control, Digital Signal, Flexible Stainless Steel Probe

$362.69
$334.49
 in stock
2 new from $334.49
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • ✅Advanced microprocessor. It uses digital signal processing technology better than the manipulating circuit and sensor head signals used. In addition, the number of components used in the circuit is reduced by approximately 40%, which improves reliability and performance.
  • ✅The microprocessor monitors the sensor head and battery voltage in real time, up to 4000 times per second, and compensates for even the smallest fluctuations in signal pulsations. This makes the meter a stable and reliable inspection tool in almost any environment.
  • ✅The seven-level free setting of sensitivity increases the sensitivity of the meter from level 1 to level 7 by 64 times; the unique three-color LEDs indicate the progressive and wide range of leak sizes.
  • ✅Powered by two No.2 alkaline batteries(Not Included), wireless and portable. Equipped with high-strength box to protect detector. 35cm flexible stainless steel probe.
  • ✅The touch keyboard controls all functions used; the novel housing design is designed for the user to grip and easy to operate; Leak detection of other systems and storage/recovery containers. This product works with all halogenated refrigerants (including chlorine and fluorine).

Natural Gas Detector, Plug-in Digital Gas Leak Detector, Portable Home Gas Alarm, High Sensitivity LPG LNG Coal Natural Gas Leak Detector, Alarm Monitor Sensor for Home/Kitchen (1)

$23.69
$21.99
 in stock
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Multiple Gas Detection- Home gas detector suitable for detecting LPG(Methane), natural gas, coal gas etc.
  • Keep Safty - When gas leak exceed the standard, this alarm will sound an 85dB siren speaking voice with top flashing red light until the ambient gas volume falls below alarm set point. Reduce the risk of gas explosion and protect your family's life and property safety.
  • Sensitive - This gas detector adopts advanced gas sensor, sensitively sense gas leaks, digital displays real-time gas concentration, which tell you how much the leakage is. When gas leak concentration indoor reaches the presetting level, the alarm provides a visual and audible signal.
  • Easy Installation - Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.
  • Widely Application -This natural gas detector can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital, Hotel etc.

BW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector, CO, H2S, LEL and O2, Yellow

$595.00
$486.00
 in stock
13 new from $486.00
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research
  • Easy and comfortable to wear; thin and lightweight, ambient air monitoring applications
  • Easy operation and straightforward training with one-button simplicity
  • Easy visual compliance with flashing, green IntelliFlash
  • LCD screen shows up to four ambient gas concentrations, battery level, alarm condition, and the status of calibration, bump, and sensor self-tests

Seesii Gas Leak Detector,Portable Natural Gas Sniffer Alarm 0-50000PPM 100%LEL High Accuracy with Colorful LCD Display for Home, Battery Operated,Air Analyzer Locates Combustible Gas

$65.99  in stock
3 new from $65.99
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • 【DETECTS MANY KINDS OF COMBUSTIBLE GASES】 Detects a large number of flammable gases, like methane, natural gas, propane, ethanol, coal gas, propane, benzene, ethylene oxide, hexane, N-butane, ethylene and more. Can be used by homeowners, professionals, or real estate agents. Reduce the risk of gas explosion and protect your family's life and property safety.
  • 【HIGH SENSITIVE AND QUICK RESPONSE】1-50000PMM or 0.1%-100%LEL alarm range. Large colorful LCD display gas concentration and device status in real time, so that you feel much safer when know the exact gas concentration in the air of your home at all times. ,Quick response within 2 seconds. Easy to set up and operate, works perfect.
  • 【AUDIBLE & VISUAL ALARM】Alarms continuously with tone and LCD display bar change and show actual concentration when detecting gas leak. has a backlight LCD screen, visually display the gas level , easy to read in dark. Use batteries to operate and has a low-battery indicator( 3pcs AAA batteries not included). Power-save modes,auto power off after about 10 minutes if there are no operation and measurement signal.
  • 【Flexible Probe & High-precision Sensor】11inch Split universal flexible probe, flexible and easy to deal with various measurement environments. One hand operate, easy to carry. Look for a detector that can sense even the smallest amounts of gas or else you could be unknowingly exposed to a toxic substance. Allow users with the ability to quickly and easily detect gas leaks in most hard-to-reach places around appliances.
  • 【WIDE APPLICATION】Hold this handheld detector in the area where you think there might be a leak and wait for the device to display the current gas levels.Widely used in detecting gas leak of lawnmower, your basement, RV, factory workspace, gas stove, water heater and other household devices at home to secure safety.Safe and reliable gas leak Tester.

Propane/Natural Gas Detector, Home Gas Leak Alarm, Tester, Sensor, Sniffer; Monitor Combustible Explosive Gas Level: Methane, Butane, LPG, LNG; Voice/Light Warning & LED Display; eBook

$49.97
$33.99
 in stock
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • SAFETY - Help reduce your worries that the stove gas has been left on accidentally. This explosive gas leak alarm will sound an 80dB siren and speaking voice alarm with top flashing red light when it detects combustible gases including kitchen methane / natural gas or camping propane before it reaches an explosive level leading to fires. Feel more assured that your family is safe.
  • SCIENTIFIC - This alarm precisely measures and displays concentration of combustible gas as an easy-to-read percentage from 0% to 20% of LEL. View the concentration of combustible gas on the LED screen before it reaches its explosive concentration level. Audible siren and speaking alarm sounds when gas level reaches 5% of Lower Explosive Limit (LEL).
  • ECONOMICAL & GREEN - This alarm uses
  • DURABLE - Shelled in double-sided ABS, this product is anti-mildew, anti-pest, and anti-corrosive. Wipes clean easily. Use in the kitchen or in your camper.
  • ORIGINAL DESIGN & LIFETIME USA SUPPORT - We have worked with the supplier that holds this product’s design rights so we are sure this item is tried and tested. We have Midwest-based chemist on staff to answer any questions you have. Also included will be a 20+ page eBook on Gas and Air Quality Hazards that will be bundled with this alarm.

UEi CD200 Handheld Combustible Gas Leak Detector, Deluxe Natural Gas Propane Methane Gas Sniffer, LPG Handheld Gas Detector with 18in Gooseneck and Audible and Visual Alarms, Includes Carrying Case

$226.00  in stock
9 new from $226.00
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • COMPREHENSIVE GAS DETECTION: This handheld gas detector is capable of but not limited to detecting acetone, ammonia, butane, methane, natural gas, LPG, Jet fuel. Great detector for any residential or commercial HVAC needs
  • ️ ERGONOMIC: This handheld gas detector has an ergonomic design and includes a grip for comfortable use. Easy to use with one hand.
  • ️ EFFECTIVE IN TIGHT SPACES: This gas sniffer features a long 18" flexible neck to access hard to reach places. Also includes a tip light at the end of gooseneck to illuminate leak in a dark environment
  • DURABLE: The leak detector is made out of a rugged hard plastic. The probe is made out of a tough, but flexible metal. The sensor is protected by a plastic cover to increase the lifespan
  • EFFICIENT This combustion gas leak detector will save time while assessing equipment. It is faster and more effective than the traditional soap method. The CD200 has a fast response time of less than two seconds

PANGAEA Digital Gas Detector Portable Natural Gas Tester Detector, Bright LED Screen, Combustible Propane Methane Gas Sensor Sniffer

$42.90  in stock
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Portable natural gas detector for detecting all combustible gas leak, LPG, LNG, fuel, hydrocarbons (methane, natural gas, gas, ethane, propane, benzene, Acetylene, propane, Pentane, hexane, gas oil, toluene), halogenated hydrocarbons(methylchloride, methylene chloride, three chloride, vinyl chloride), alcohols(methanol, ethanol), sewer gas etc. You can use it in your house or your RV.
  • Use 3xAA batteries. Compact size, light weight, easy to carry and operate. Long flexible stainless probe reaches all areas.
  • Audible semiconductor probe and auto fast warm-up.
  • Instant response, pinpoint leak position, whether in your home or in your RV. Audio & visible leakage alarm indication and adjustable sensitivity. Minimum 50 PPM (methane)
  • Video tutorial for your preparation. Please scroll down to "Related Video Shorts" on this page to find out. Also, you can download the latest version of Instruction Manual in the section of Technical Specification, on the same page as product description.

Inficon-718-202-G1 Combustible Gas Detector

$261.00
$198.99
 in stock
4 new from $198.99
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Test Instruments & Gauges
  • Country of manufacture: United States
  • Manufacturer: Inficon
  • Package Dimensions: 15" L x 3.9" W x 8.4" H

BW Technologies MC2-XWHM-Y-NA GasAlertMicroClip XT Four-Gas Detector, O2/CO/H2S/LEL

$592.97
$509.99
 in stock
3 new from $509.99
Free shipping
Amazon.com
as of March 1, 2022 5:11 pm

Features

  • Country Of Origin: Mexico
  • Model Number: MCXL-XWHM-Y-NA
  • Item Package Dimension: 7.5" L x 5.0" W x 3.0" H
  • Item Package Weight: 1.4 lb

Best Gas Leak Detectors 2022 | Price Comparison

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Your Guide To Buying The Best Gas Leak Detectors

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  1. Read reviews of your chosen product, and what consumers are saying,
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