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The 8 Best propane gas leak detectors of 2025

Are you trying to find propane gas leak detectors among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling propane gas leak detectors on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 15 hours of research and did 19 propane gas leak detectors tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best propane gas leak detectors you can buy today

No. 1
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
  • Easy Installation - simply plug-in to a standard, 120V outlet in your home
  • 9-volt battery backup provides protection during a power outage
  • Digital LED display shows the level of carbon monoxide the CO alarm is sensing or states "GAS" when explosive gas is present
  • 85-decibel alarm announces when carbon monoxide or explosive gas is detected
  • Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
  • Test-Hush Button makes testing the detector or silencing false alarms easy
  • Extension cord (included) allows for placement on a table or shelf
  • UL Listed with a lifespan of 7 years and a 5-year limited warranty which begins when the alarm is powered on, if that date is unknown it should be assumed the alarm should be replaced.
No. 2
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
  • Combustible Gas Leak Detector: The TopTes PT199 detects natural gas, methane, propane, butane, LPG, and more, pinpointing leaks to reduce the risk of explosion, keeping your family and property safe
  • Visual and Audio Gas Alarm: Visual and audio alarms trigger within 0.5 seconds of gas detection. The alarm intensifies with gas concentration, and the LCD screen turns red when gas levels are high
  • Batteries Included and Easy to Use: The TopTes PT199 includes 2x AAA batteries and is ready after a 30-second warm-up. The low battery indicator activates below 2.4V, and it auto-powers off after 5 minutes without operation or gas detection
  • Compact Design: Pocket-sized, non-slip, and easy to carry or store in the included bag. Ideal for RV owners, DIYers, and homeowners with gas appliances. Saves you from paying hundreds of dollars in diagnostics or wasting gas in an undetected leak
  • What You Get: 1x PT199 Gas Leak Detector, 1x Storage Bag, 2x AAA Batteries, 1x User Manual. Detection range: 50-1,000 ppm (Methane). Detection distance: 1-5cm
No. 3
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
  • Combustible Gas Leak Detector: 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, etc
  • Visual and Audible Alarms: PT177 gas detector requires a 30-second auto-calibration after powering on and can detect gas and trigger an alarm within 0.5 to 3 seconds. Five red LEDs and a 75 dB audible alarm intensify as gas concentration increases
  • 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 a convenient tool for RV enthusiasts, DIYers, homeowners with gas appliances, etc
  • 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
  • What You Get: PT177 Gas Leak Detector, a drawstring storage bag, two AAA batteries, and a user manual. Note: To ensure accurate measurements, turn on the device and wait for a 30-second warm-up
No. 4
Natural Gas Detector, TopTes PT299 Gas Leak Detector with Extendable Rod, Portable Propane Sniffer for Detecting Combustible Leaks Like Methane & Butane for Home, RV (Includes Battery x2) - Orange
  • Retractable Gas Leak Detector: The TopTes PT299 gas leak detector is a dependable and portable tool that allows you to adjust the pole's length, reaching the desired testing location for accurate detection of combustible gas leaks, including propane, methane, natural gas, LPG, gasoline, and more. (Note: Please wait for a 30-second warm-up time before operation)
  • Telescope Pole for Easy Access: The PT299 natural gas detector helps you detect gas leaks in hard-to-reach areas such as pipelines, storage tanks, fireplaces, basements, and RVs. Extend the pole for gas leak inspection without getting too close to potential leakage points. Extension Range: 2.20 inches to 6.30 inches 5.60cm-16.00cm
  • Alarm! See & Hear: When gas is detected, the PT299 responds in just 0.5 seconds. A visual and audible alarm promptly warns you of danger. Watch as 9 analog bars rise and the screen turns red, providing real-time feedback on gas concentration. The 75dB buzzer helps pinpoint gas leak locations. Detection range: 1%LEL to 10%LEL (100 to 5,000ppm, based on Methane)
  • User-Friendly: Features a 30-second preheat countdown indicator and a low battery alert. When enabled, the PT299 gas leak detector automatically turns off after 5 minutes of inactivity to save energy. Additionally, it is designed with a non-slip texture and material, ensuring a secure and comfortable grip
  • What You Get: Included in your package are 1× PT299 Gas Leak Detector, 2× AAA Batteries, 1× Storage Bag, and 1× User Manual
No. 5
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
  • Effective Gas Leak Detector: The TOPTES PT520A natural gas detector detects leaks of methane, propane, natural gas, LPG, butane, and more in tight spaces.
  • Flexible Probe: The 17-inch gooseneck allows easy access to hard-to-reach areas like pipelines, storage tanks, gas fireplaces, and basements, ideal for both indoor and outdoor leak detection
  • Visual and Audible Alarm: PT520A responds in 0.5 seconds, with 7 colored bars and a 75dB alarm that increase with gas concentration. Detection range: 50-10,000 ppm (Methane). Detection distance: 1-5cm
  • User-Friendly Functions: Enable or disable Auto Power-Off with the APO button to save power after 10 minutes of inactivity. The Mute button silences the alarm, and the non-slip, wear-resistant design ensures a secure, comfortable grip for easy handling
  • What You Get: 1×PT520A Gas Leak Detector, 3×AAA Batteries, 1×Protective Case, and 1×User Manual. Allow 30 seconds for warm-up before use
SaleNo. 6
HSTMYFS Natural Gas Leak Detector, Plug-in Propane Natural Gas Detector for Home Kitchen RV, Combustible & Explosive Gas Alarm for LPG, LNG, Methane
  • Versatile Gas Detection: This gas detector is designed for home use and can detect multiple combustible&explosive gases, including LPG (methane), CNG, LPG, Propane and Natural gas.
  • Photoelectric Warning System: When the concentration of combustible gas reaches a preset level, the alarm emits an 85 dB audible and visual signal, alerting you to check for indoor gas leaks.
  • Proven Safety: Our gas detector undergoes rigorous quality management, with over a decade of successful sales to verify its stability and reliability.
  • Easy Installation: Installing the natural gas detector is a breeze. Simply plug it into an electrical outlet to start detecting gas leaks.
  • Important Warm-Up Time: Please note that all gas detection devices require a 2-3 minute warm-up period before they become operational. Ensure the product is correctly started during this time.
SaleNo. 7
Colorwell Natural Gas Detector Plug-in Propane Gas Detector for Home & RV Gas Leak Detector for LNG, LPG, Methane.
  • 【Why Do You Choose It】You can't feel natural gases through your five senses, When the accumulation of combustible gas reaches a certain level, it will explode when it meets an open flame.
  • 【New Upgrades】Plug and play. Whether you are at home or traveling & RV, it can be hung anywhere with a power supply.
  • 【Multi-Gas Detection】Detects multi combustible gases such as propane, methane, natural gas, coal gas, gasoline, LPG, LNG, etc.When the gas concentration reaches a preset level, the alarm will immediately emit an 85 dB audible and visual alarm.
  • 【LCD Display】Gas Detector has LCD display monitors and displays the readings in real-time, allowing you to quickly understand the environmental conditions.
  • 【Worry-Free After Service】We are willing to provide you with unconditional returns and exchanges within 90 days. If you have any questions, please contact us by email, we will try our best to help you solve the problem.
No. 8
Techamor Y401 Natural Propane Gas Detector, Home Gas Alarm and Monitor, Leak Alarm for LNG, LPG, Methane, Coal Gas Detection in Kitchen, Home, Camper (1, White)
  • Multiple Gases Detection: The 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
  • Easy to Install: Techamor home gas alarm adapts excellent industrial design and leaves 2nd outlet uninterrupted for other devices. Just plug in, and ready for monitoring potential gas leak risky after warm up process
  • LED Digital Display & Warning: The natural gas detector quickly and accurately detects gas leak to give you the earliest possible warning of gas leak with 85 dB alarm and rapid flashing LED indicator
  • 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.
  • Worry-Free After 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 uniquenes
No. 9
TopTes PT210S Gas Leak Detector, Natural Gas Detector with 4-inch Probe, Propane Leak Detector Locating Combustible Gases Like Natural Gas, Methane for Home, Measures%LEL (Incl. Batteries) - Orange
  • 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
  • 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
  • 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
No. 10
Gas Leak Detector Pen for Natural Gas and Propane: Pocket-Sized Gas Detector to Locate Gas Leaks of Combustible Gases like Methane, LPG, LNG, Fuel, Sewer Gas with Illuminated Digital Display and Alarm
  • 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.
  • VERSATILE & PORTABLE GAS LEAK DETECTOR: Move pocket-sized gas detector along gas pipes & fuel lines or within confined spaces. Powered by 2 included AAA batteries, this portable gas detector sniffer can be taken anywhere to find leaks outdoors or indoors.
  • VISUAL / AUDIO GAS INDICATORS: LCD indicator and alarm notify user of presence and relative concentrations of natural gas & propane leaks.
  • ADJUSTABLE SENSITIVITY: Adjust sensitivity to find small or large gas leaks. One button auto-calibration makes startup easy and automatic.
  • LIFETIME WARRANTY + ORIGINAL DESIGN: We provide full support for this product and offer a replacement if it ever breaks! We have a chemist on staff to answer any technical questions. Also included is a 20+ page eBook on Gas and Air Quality Hazards.

How to choose a good propane gas leak detectors

Does the idea of finding a fantastic propane gas leak detectors make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in propane gas leak detectors. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top propane gas leak detectors products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top propane gas leak detectors on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top propane gas leak detectors brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top propane gas leak detectors based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the propane gas leak detectors were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good propane gas leak detectors, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your propane gas leak detectors.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting propane gas leak detectors for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our propane gas leak detectors. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what propane gas leak detectors should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on propane gas leak detectors.