10 Best gas leak detectors in Canada

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Last Updated - 2026/04/03

Best Choice

01
TOPTES

Natural Gas Detector, PT520B+ Rechargeable Gas Leak Detector with a 43.5cm Probe to Situate Leaks for Propane, Methane, LPG in RV or Home, Measuring PPM or%LEL - Orange
Main highlights

What You Get: 1xPT520B+ Gas Leak Detector, 1xType-C Charging Cable, 1x Protective case, 1x User Manual
Visual and Audible Alarm: TopTes PT520B+ could respond to gas leaks in 0.5s. The current gas concentration will be displayed in PPM or %LEL in four-digit reading. Besides, 11 colored bars and 75dB alarm will warn you out of danger and lead to gas leakage. Visual and audible alarm will react seriously as the gas concentration increase. Detection Range: 50-10000ppm
User-Friendly Choice: TopTes PT520B+ gas leak detector adopts anti-slip housing and ergonomic grip design. Mute button could dissolve annoying high-dB alarm. Temperature sensor offers more reference for accurate gas detection. With 10-min inaction, the detector will turn off to save the power
Rechargeable Gas Leak Detector: TopTes PT520B+ Gas Detector could quickly and accurately detect gas leaks from hard-to-reach areas for methane, propane, natural gas, LPG, etc. PT520B+ could recharge more than 3000 times. Note: Please allow 30 seconds of warm-up time before the operation
Flexible 43.5cm Probe: TopTes PT520B+ could detect any hard-to-reach area with a 17-inch gooseneck like gas stoves, natural gas lines, and basements. High and Low sensitivity could promote more accurate detection. Once gas leaks detected, you could turn it zero by ZERO button
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9.7

Exceptional

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Value for Money

02
First Alert

First Alert GCO1 (1039758) Plug-in Combination Explosive Gas and Carbon Monoxide Alarm with Battery Backup

9.9 Easy installation

9.7 Simple to use

9.7 clearly written
Main highlights

Plug & Protect, alarm plugs into any standard 120V AC outlet. Line cord allows for high mounting to sense methane, low mounting for propane
Mute button silences unnecessary alarms immediately. It also tests alarm functions with same button
Ez view backlit digital display, easy viewing of danger levels, current, and peak CO levels in your home
Battery backup, provides consistent protection for added safety during power outages
3-Way protection, 3 threats sensed in 1 Alarm: carbon monoxide, propane gas and natural/methane gas
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9.6

Exceptional

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03
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

9.9 worth the money

9.7 Simple to use

9.7 clearly written
Main highlights

What You Get: 1x PT199 Gas Leak Detector, 1x Storage Bag, 2x AAA Batteries, 1x User Manual. Detection range: 50-1000 ppm (Methane). Detection distance: 1-5cm
Visual and Audio Gas Alarm: The gas detector employs both visual alarm and audible alarm as fast as 0.5 seconds of detection. When the bar graph increases and the detector beeps, you know gas has been detected. The alarm increases with the amount of gas, and the LCD screen will turn red when the gas concentration is high
Compact Design: Pocket-sized with a pen hook that allows you to carry it in your shirt pocket. The non-slip texture and material make it easy to hold. With included storage bag, the natural gas detector is also easy to store. It is a great tool for RV-ers, DIY-ers, homeowners with gas appliances, and so on. Saves you from paying hundreds of dollars in diagnostics or wasting gas in an undetected leak
Combustible Gas Leak Detector: The TopTes PT199 is suitable for LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc., and it will exactly pinpoint a leak, reducing the risk of gas explosion and keeping your family and property safe
Batteries Included and Easy to Use: The TopTes PT199 comes with 2x AAA Alkaline Batteries, so you will be able to set the detector up and have it ready as soon as you receive it. The system warm-up time is about 30 seconds. The low battery indicator will engage when battery voltage is below 2.4V. Note: When installing batteries, please ensure correct polarity
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9.4

Excellent

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04
TOPTES

PT520A Natural Gas Detector, Gas Leak Detector with 43.5cm Gooseneck, Locates Sources Like Methane, Propane and Butane for Home and RV (Includes Battery x3) - Orange

9.7 Simple to use

9.5 Precision

9.3 clearly written
Main highlights

What You Get: 1×PT520A Gas Leak Detector, 3×AAA Batteries, 1×Protective Case, and 1×User Manual. Note: Please allow 30 seconds of warm-up time before the operation
Visual and Audible Alarm: PT520A will rapidly respond in 0.5 seconds while gas is detected. Seven colored analog bars and a 75dB audible buzzer help you point out the gas leak location. Both of them increase with combustible gas concentration. Detection range: 50 to 10,000 ppm (based on Methane)
User-Friendly Functions: Activate or cancel the Auto Power-Off function through the APO button just in your need. When canceled, the detector will turn off after 10 minutes of inactivity to save power. In addition, you can turn off the audible alarm at any time via the Mute button to eliminate annoying alarm noise. The double-sided bar-shaped groove design and non-slip material make it wear-resistant and easy to hold
Flexible Probe Easy to Use: With a 17-inch flexible gooseneck (bendable in any direction), the portable gas leak detector makes it easy for you to access hard-to-reach areas, such as natural gas pipelines, propane storage tanks, gas fireplaces, sewers, basement, RV, and other narrow space. It can be carried anywhere to find leaks no matter outdoors or indoors
Effective Gas Leak Detector: TOPTES PT520A natural gas detector can accurately help you locate the gas leakage of various combustible gases in tight spaces, such as methane, natural gas, propane, LPG, gasoline, etc. Detection distance: 1-5cm
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9.3

Excellent

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05
Leakbee

Natural Gas Detector,Y401 Plug in Gas Leak Detector, Propane Gas Detector for Home, Kitchen,Leak Gas Alarm for LNG,LPG,Methane,Camper (1Pack, White)
Main highlights

Widely Used：Y401 Natural gas detector is suitable for 24 hours gas leak monitoring of LNG, LPG (propane), methane, natural gas, coal gas at your kitchen, camper, stove, furnace, water heater, washing machine for home, department restaurant, hotel etc
Warranty and Lifetime Technical Support: We are a company founded and actively managed by gas company technicians and engineers. We provide a 24-Month after-sale service and lifetime technical support. There are the products we stand behind 100%
Visual & Audible Alarm： Digital LED display shows the level of natural gas the natural gas alarm is sensing. And emit an 85 decibel warning sound to remind people to stay away from danger
Premium Quality for Safety: Eco-friendly and V0 level fire- ABS+PC material that complies with UL94 material flammability rate reduce the potential gas explosion risky and keep family numbers and poverty safety
Easy to Install ：Y401 Natural gas detector adapts excellent & simple industrial design. Just plug in simply plug-in to a standard, 120V outlet in your home, the natural gas alarm can function normally
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9.2

Excellent

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06
Neoteck

Neoteck Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home-Grey
Main highlights

【Visual & Audible Gas Alarm】The gas detector employs both visual alarm and audible alarm as fast as 0.5 seconds of detection. When the bar graph increases and the detector beeps, you know gas has been detected. The alarm increases with the amount of gas, and the LCD screen will turn red when the gas concentration is high.The system warm-up time is about 30 seconds
【Quick and Accurate Gas Leak Detector】The natural gas detector is widely suitable for LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc., and it will exactly pinpoint a leak, reducing the risk of gas explosion and keeping your family and property safe. It potentially reduce energy bills（NOTE:The Gas Leak Detector cannot detect CO）
【Compact Design】 Pocket-sized with a pocket clip that allows you to carry it in your shirt pocket. The included storage bag makes the natural gas detector easy to store. It is an excellent tool for RV-ers, DIY-ers, homeowners with gas appliances, etc. It's very convenient and perfect for regular safety checks
【Batteries Included & Easy to Use】This gas sniffer comes with 2x AAA Batteries, so you will be able to set the detector up and have it ready as soon as you receive it. The low battery indicator will engage when battery voltage is below 2.4V. Automatic power off after 5 minutes without operation or gas detection.Detection range: 50 to 3000 ppm* (*based on Methane)
【Adjustable Sensitivity】This natrual gas leak detester supports High Low Sensitivity Mode: 50-500ppm, Low Sensitivity Mode: 500-3000ppm. 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, which is much more convenient to use
Note: This gas detector uses sound and light alarms to indicate different concentrations of flammable gas, but does not display specific concentration values (refer to the product details or manual for corresponding ranges)
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9.1

Excellent

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07
Neoteck

Neoteck Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home-Black
Main highlights

【Visual & Audible Gas Alarm】The gas detector employs both visual alarm and audible alarm as fast as 0.5 seconds of detection. When the bar graph increases and the detector beeps, you know gas has been detected. The alarm increases with the amount of gas, and the LCD screen will turn red when the gas concentration is high.The system warm-up time is about 30 seconds
【Quick and Accurate Gas Leak Detector】The natural gas detector is widely suitable for LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc., and it will exactly pinpoint a leak, reducing the risk of gas explosion and keeping your family and property safe. It potentially reduce energy bills（NOTE:The Gas Leak Detector cannot detect CO）
【Compact Design】 Pocket-sized with a pocket clip that allows you to carry it in your shirt pocket. The included storage bag makes the natural gas detector easy to store. It is an excellent tool for RV-ers, DIY-ers, homeowners with gas appliances, etc. It's very convenient and perfect for regular safety checks
【Batteries Included & Easy to Use】This gas sniffer comes with 2x AAA Batteries, so you will be able to set the detector up and have it ready as soon as you receive it. The low battery indicator will engage when battery voltage is below 2.4V. Automatic power off after 5 minutes without operation or gas detection.Detection range: 50 to 3000 ppm* (*based on Methane)
【Adjustable Sensitivity】This natrual gas leak detester supports High Low Sensitivity Mode: 50-500ppm, Low Sensitivity Mode: 500-3000ppm. 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, which is much more convenient to use
Note: This gas detector uses sound and light alarms to indicate different concentrations of flammable gas, but does not display specific concentration values (refer to the product details or manual for corresponding ranges)
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9.0

Excellent

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08
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

9.9 worth the money

9.9 Simple to use

9.3 Precision
Main highlights

What You Get: One PT177 Gas Leak Detector, one drawstring carry bag, two AAA batteries, and one user manual
User Friendly Features: When the battery voltage is below 2.4 volts, the power indicator light will flash to remind you to replace the battery in time. If inactive for 5 minutes without operation or detecting gas, the PT177 will automatically turn off. Detection range: 50 to 1000 parts per million (based on Methane)
Easy to Use, Visual and Audible Alarm: All you have to do is load the provided batteries, let the PT177 gas detector finish its 30 second automatic calibration process, and then point near where you suspect the leak to be (hold it a couple of centimeters away). The PT177 detects gases and alarms almost immediately within 0.5 to 3 seconds. Five red LEDs (visual) and a 75 decibel audible alert increase with gas concentration
Compact Design: Pocket sized with a pocket clip that allows you to carry it in your shirt pocket. The included storage bag makes the natural gas detector easy to store. It is an excellent tool for RV enthusiasts, DIYers, homeowners with gas appliances, etc. It is very convenient and perfect for regular safety checks
Combustible Gas Leak Detector: The TOPTES PT177 is a useful little tool that helps every household with gas appliances to quickly and easily pinpoint the leakage of combustible gas including LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc. It will save a ton of time and potentially reduce energy bills
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8.9

Very Good

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09
TOPTES

TopTes PT210S Gas Leak Detector, Natural Gas Detector with 10cm Probe, Propane Leak Detector Locating Combustible Gases Like Natural Gas, Methane for Home, Measures%LEL (Incl. Batteries) - Orange

9.9 Simple to use

9.9 Precision
Main highlights

What You Will Get: In the package, you will receive 1 PT210S gas leak detector, 1 storage bag, 1 multi-language user manual, and 2 AAA batteries, Notice: Before use, the PT210S must be powered on and warmed up for 30 seconds in a clean, gas-free environment to ensure accurate detection results
Visual and Audible Alarms: The PT210S gas leak detector can quickly find leaks in 0.5 seconds. As leaks are detected, the screen will turn red, and bar graphs will rise. A 75-decibel audible buzzer will warn you of leaking dangers. With increasing gas concentration, audible and visual alarms will become more serious. Detection Range: 100 ppm to 5,000 ppm (1 Percent LEL to 10 Percent LEL)
User Centric Design: The PT210S features dual-mode detection (high sensitivity and low sensitivity). When the battery voltage drops below 2.5 volts, the low battery indicator light will flash, reminding you to replace the battery promptly. The detector will automatically shut off after 5 minutes of inactivity to conserve energy. Its anti-slip design ensures a comfortable grip
Portable and Probe Design: The TopTes PT210S Gas Leak Detector features a convenient four inch probe and a portable pen shaped design, allowing you to carry it effortlessly to detect hard to reach areas. It empowers you to swiftly identify combustible gases such as propane, natural gas, methane, and butane
Gas Reading in Percent LEL: The PT210S gas leak detector displays the current gas leakage in Percent LEL with a clear two-digit reading. In the event of a gas leak, the Percent LEL reading precisely indicates the gas leakage severity, reducing the risk of gas explosions and safeguarding your family and property
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8.7

Very Good

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10
Leakbee

4-in-1 Upgraded Natural Gas Leak Detector and Carbon Monoxide Detectors,Carbon Monoxide Detectors Plug in with Temperature & Humidity Monitor CO Methane Propane Alarm for Home RV Hotel (1Pack White)
Main highlights

Widely Used:4 in 1 Carbon Monoxide and Natural Gas Combination Detector is suitable for 24 hours gas leak monitoring of CO, LPG (propane), methane, natural gas, coal gas at your kitchen, camper, stove, furnace, water heater, washing machine for home, department restaurant, hotel etc
Visual & Audible Alarm:Gas concentration ≥ 5% LEL or CO display ≥ 100ppm will trigger the alarm. And emit an 85 decibel warning sound to remind people to stay away from danger
User-Friendly Functions:Test-Hush Button makes testing the detector or silencing false alarms easy.The LCD backlight remains off by default after the device's warm-up period, designed to prevent excessive brightness in dark environments and reduce sleep disruption. If you prefer the backlight to stay on, double-press the Test/Mute button to activate continuous backlighting. A quick double-press again will turn it off, allowing for repeated cycles as needed. Press the Test/Mute button three times in a row to switch the temperature display between F°and C°
Tips: Before first use, remove the protective film from the screen. Due to the heat generated by the sensor during the startup phase, which can impact temperature and humidity measurements, the detector requires approximately 30 minutes after powering on to provide accurate temperature and humidity readings
Easy to Install :4 in 1 Carbon Monoxide and Natural Gas Combination Detector adapts excellent & simple industrial design. Just plug in simply plug-in to a standard, AC 110V~230V outlet in your home,The detector can function normally.Note:Do not apply gas or carbon monoxide smoke (hereinafter referred to as “CO”) to test during the warm-up process because the sensor will not work during the process
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8.6

Very Good

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