10 Best gas detectors in Canada

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Last Updated - 2025/05/31

Best Choice

01
TOPTES

TopTes Guard-101 Gas Detector, 4 Gas Monitor for H2S, CO, LEL and O2, with Vibration, Visual and Audible Alarms, 14h Long Battery Life, Safety Explosion-Proof, Gas Monitor for Work, Home - Orange

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Main highlights

What You Get: Your purchase includes a Guard-101 gas detector, a packaging box, a user manual, a charging cable, and a standard gas hood. This device is suitable for a wide range of applications, including industrial manufacturing, mining, agriculture, emergency rescue, and home use
User-Friendly Design: Guard-101 gas detector is made of high-strength ABS engineering plastic, which is waterproof, dustproof, and explosion-proof. Its back clip design makes it easy to carry in the workplace. Password protection prevents accidental operation, with an initial password of "69"
Triple Alarm, Data Storage: Guard-101 4 gas monitor multi gas detector utilizes three alarm modes: LED light, vibration, and sound. It responds within 30 seconds and continues to alarm until the gas concentration returns to normal. The Guard-101 also features an alarm record storage function, allowing you to check monitoring data at any time
Quick Detection, Safety First: Guard-101 4 gas monitor multi gas detector is designed for rapid detection of 4 types of gases (H2S, CO, LEL, O2). The battery life lasts up to 14 hours, ensuring long-term monitoring of gas concentrations
Professional Certification: The Guard-101 4 Gas Monitor has passed rigorous safety tests conducted by internationally authorized institutions. It holds valid certification and meets industry standards, ensuring high reliability and accuracy in various environments
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9.6

Exceptional

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02
First Alert

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

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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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9.5

Excellent

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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

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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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9.3

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

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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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9.2

Excellent

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Value for Money

05
VITITE

3 in 1 Natural & Propane Gas Detector, Plug in Natural Gas, Propane, Temp, Humidity and Explosive Gas Alarm; Design for Home, Apartment & RV; with LCD Screen (White)

23% Off Free Shipping
Main highlights

User-Friendly Design: The screen dims when no gas is detected to reduce light disturbance. If explosive gases are detected, the screen brightens and an audible alarm sounds, making it easy to spot a gas leak. Double-press the 'TEST' button to turn off or light up the screen
Sound & Screen Alerts: The detector gives early warnings with an 85dB alarm and an LCD screen ( Gas alarm: ≥5%LEL). You can test its performance and wake up the screen with the test button
Plug and Play: No setup or expertise required—just plug it in and it's ready to use. It meets UL 1484 safety standards, with no need to replace or buy batteries
Friendly Customer Service: We offer a three-year warranty and free returns. From purchase, you also get lifetime technical support. If you have questions, our engineers will help within 24 hours
3-in-1 Gas Detector: The YC302 Pro uses high-precision sensors to monitor natural gas, propane gas, methane, butane, temperature, humidity. It’s ideal for homes, kitchens, apartments, hotels, and RVs, keeping your family safe from gas leaks
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9.1

Excellent

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06
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)

15% Off Free Shipping
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 & Customer Service：We provide a 60-day money back service. If you have any questions, feel free to contact us and get a full refund for no reason. Design patent and certifications are applied to make sure the product quality and uniqueness
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：Complies with UL1484 safety standard. 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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9.0

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-Grey

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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
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8.9

Very Good

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08
Gedsffati

Gedsffati Plug in Carbon Monoxide Detector & Natural Gas Combination Detectors 4in1 CO Gas Temp Humidity Monitor 1000mAh Battery Propane, Methane Explosive Gas Alarm

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Main highlights

【Wider CO & combustible Gas detecting range】CO range: 0-999ppm, when the CO is >50ppm, the alarm will sound. If combustible gases is exceed to the alarm concentration, the detector will sound and the gas bar icon color will change.
【Plug in design】CA standard plug is compatible with 110V to 220V AC outlet. Fits all US standard CA outlet in bedroom, kitchen, living-room, basement, hotel room, camping etc.
【Built-in 1000 mAh backup battery】Our CO&Gas detectors is built-in 1000 mAh battery, which provides 10h long working time, helps to cope with sudden power outages, and also we can use it as a portable CO&gas detectors.
【All gas environment safety we care】 Built-in CSA standard independent combustible gas sensor and CO sensor, HD screen visible and 85 dB audible design is real time detect the gas environment, bring you extra safety for your and family. To create a full house safety warning for you.
【4in1 CO & Gas detectors】This newest combination 4in1 CO&Gas detectors Integrated carbon monoxide, combustible gas, temperature and humidity sensors, real time to detect the environment gas safety for us.
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8.8

Very Good

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09
Gedsffati

Gedsffati 4in1 Plug in 4-in-1 Natural Gas Alarm & Carbon Monoxide Detectors Combination Built-in Upgraded CO/Combustible Gas/Propane/Methane/Temp & Humidity Sensor for Home Room Kitchen Hotel RV

22% Off Free Shipping
Main highlights

【HD Screen】 All the data will real times show on the HD screen, we can read the data faster from the big icons like: CO ppm, combustible gas indicating bar, humidity, temperature, CO indicator icon, and alarm status. Also we can judge the brightness status from brightness icon.
【CUSTOMER SERVICE】After-sales service team here will help you resolve any issues you have. We provide a 1-year warranty for our gas dector. Please contact us if you have any questions.
【CO & combustible Gas detecting range】CO range: 0-999ppm, when the CO is >50ppm, the alarm will sound. If combustible gases is exceed to the alarm concentration, the detector will sound and the gas bar icon color will change.
【All gas environment safety we care】 Built-in CSA standard independent combustible gas sensor and CO sensor, HD screen visible and 85 dB audible design is real time detect the gas environment, bring you extra safety for your and family. To create a full house safety 。
【4in1 CO & Gas detectors】Our newest combination 4in1 detectors Integrated carbon monoxide, combustible gas, temperature and humidity sensors, real time to detector the environment gas safety for us.
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8.5

Good

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10
HAKINAKU

4in1 Plug in Carbon Monoxide Alarm & Combustible Natural Gas Alarm Combination Detector Builti-in Backup Battery HD Screen [CO Gas Temp Humidity Sensor] for Home Indoor

20% Off Free Shipping
Main highlights

【Plug in & Play design】CA standard plug is compatible with 110V to 220V AC outlet. Fits all CA standard AC outlet in bedroom, kitchen, living-room, basement, hotel room, etc. Just Plug in and the detector will real-time work all day.
【Built-in 2000 mAh emergency Blackup battery】Provides 18-20h working time, helps to cope with sudden power outages. Rechargable lithium battery design, Compared to other disposable batteries, we can help you save a lot of battery replacement costs.
【All gas environment safety we care for you】 Built-in CAN/CSA-6.19,CAN/ULC-S588 standard independent CO / Combustible gas sensor, HD screen visible and 85 dB audible design is real time detect the gas environment, bring you extra safety for you and family.
【4in1 CO & Natural gas detectors】Our Gedsffati newest combination 4in1 detectors Integrated carbon monoxide, Combustible gas( like natural gas, propane, methane, natural gas, coal gas, gasoline, Hexane, butane, benzene, ethyene oxide, acetylene, LPG, LNG, etc),temperature and humidity sensors, real time to detector the environment gas safety for us.
【2.1’’ HD Screen】 All the datas real times and dynamically show on the HD screen, we can read the data faster from the big icons like: CO ppm,Combustible gas warning icon, humidity, temperature, CO indicator icon, plug and alarm status.
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8.3

Good

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