Top 10 Best Gas Leak Detectors in 2021 Reviews

Last updated on January 07, 2021

Gas leak detectors are specially designed devices that help detect the presence of combustible gas. These devices were initially designed to be used by engineers. However, that has greatly changed with most homes nowadays installing gas leak detectors for safety reasons. The devices are quite sensitive and can detect small amounts of gas in the room. It is only natural to worry about gas leaks when you have gas appliances at home. Gas leaks in homes are quite dangerous and can lead to lethal explosions if not detected early. This is why it makes sense getting one detector installed in every residential and commercial area.

When these devices detect gas, they produce a loud alarm or flashing light to alert homeowners of gas presence. This way, you can easily prevent the leak and prevent further damage. To help you find the best gas leak detectors, we’ve created an extensive review and buyer’s guide. Our post narrows down the best gas leak detectors on the market right now. Read on and make sure you select one that best suits your needs.

The following are the leading gas detector brands in the industry to consider buying:

10. UEi Test Instruments Gas Leak Detector

UEi Test Instruments Gas Leak Detector

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This is one of the simplest gas leak detectors out there and one you can easily operate. The detector features simple one-handed operation. It is a premium quality detector with an adjustable Tico Rate. Besides, the detector comes with a long 18-inch gooseneck. It can easily reach those narrow areas detecting gas everywhere. Moreover, the tip of the gooseneck features light that illuminates the leak area. This further allows users to pinpoint the exact spot of the leak. In general, this is a top-quality gas leak detector with excellent ratings. The detector is quite easy to use and makes a great choice for any home.


  • Long 18-inch gooseneck to reach deep areas
  • Easy one-handed operation
  • Leak area illuminated due to a tip light sensor
  • Easy and adjustable sensitivity rate


  • The sensor that covers the red light is weakly attached

9. Propane/Natural Digital Gas Leak Detector

Propane/Natural Digital Gas Leak Detector

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This is another versatile detector capable of detecting multiple gas leaks. It is a perfect residential or commercial home device to buy with confidence. This device can easily detect propane and methane natural gases with ease. In addition, it also detects coal gas, artificial gas, gas fuel, etc. The detector warns users via sound and a LED digital display. There is a clear digital readout of the gas concentration and voice notifications. Moreover, this detector is quite easy to install and use. You can directly plug it into a wall socket for immediate use. Overall, this is a widely used gas leak detector to consider buying today. The detector needs a warm-up period of 2-3 minutes before starting to work.


  • Sends gas leak warnings via voice alerts and LED digital display
  • Detects multiple gases
  • Easy and quick installation
  • Easy and direct socket plugging


  • Requires 2-3 minutes to warm-up

8. Kiddie AC Plug-in Carbon Monoxide and Explosive Gas Leak Detector

Kiddie AC Plug-in Carbon Monoxide and Explosive Gas Leak Detector

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This is another top-quality gas leak detector. The detector helps protect your family from dangerous explosive and carbon monoxide gases. It is a simple design detector with a loud sound alarm. Once gas leaks are detected, it produces a loud 85 decibels alarm alerting the users of potentials danger. Besides, the digital display will show the exact amount of gas the detectors senses. It also has a peak level memory feature that recalls the highest leak detected. Overall, this unit is quite easy to use. It features a simple test and reset button hence easy to control. You can also mount it anywhere with ease due to three convenient mounting options.


  • Three convenient mounting options hence easy to install
  • Detects two dangerous gases thus protecting families
  • Easy test/reset buttons
  • Loud alarm


  • They also detect hydrocarbons and give false alarms

7. Signstek Portable AC Refrigerant Halogen Gas Leak Detector

Signstek Portable AC Refrigerant Halogen Gas Leak Detector

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This is a pretty compact gas leak detector and a great choice use on work sites. The detector is extremely lightweight hence highly portable. Besides, it is an excellent detector and can detect all forms of halogenated refrigerant. This is a single color detector with a 6-level peak alarm. It can easily display gas concentration levels giving you a clear idea of the leakage. In addition, this detector features a tricolor battery display. It lets you know when the battery is almost and needs replacement. Overall, this is a decent quality detector with real-time sensitivity. You also one extra pair of sensing tips as an added bonus.


  • Versatile and detects all kinds of halogenated refrigerant
  • Easy battery level indicator
  • Accurate due to real-time sensitivity
  • Can reach tight spaces due to a flexible stainless steel probe


  • A cheap plastic body that feels fragile

6. Gas Detector, Gas Alarm with Digital Display

Gas Detector, Gas Alarm with Digital Display

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This is another smart gas leak detector suitable for detecting ignitable and dangerous leaking gases. The unit is a simple one and easily installs in a few minutes. You can plug it directly into a wall socket for easy operation. This is a perfect choice detector for use in homes and commercial places like restaurants, hotels, oil factories, bars, etc. Besides, the detector features three indicators and a sound warning system. You get gas warnings via a light flashing and voice notifications. The sound alarm gets louder with more gas concentrations helping you take necessary action. Overall, this s an advanced gas leak detector with SMT chip technology. You also get a decent warranty option to order with confidence.


  • Easy to install due to direct plugging
  • Faster detection due to advanced technology
  • Sound warning and three indicators
  • Detects ignitable and dangerous gases


  • Not the loudest beep

5. Elitech CLD-100 Refrigerant Halogen Leak Detector Gas Leakage

Elitech CLD-100 Refrigerant Halogen Leak Detector Gas Leakage

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This is an upgraded version halogen gas leak detector to consider buying. It is a pretty decent detector with fast triggers on all halogenated refrigerants. The detector works on HFCs, HCFCs, CFCs, and other blends. This is a fast-working detector that warms up in 6 seconds and gives gas readings in a mere 3 seconds. It is a versatile detector with 6 adjustable sensitivity levels. Besides, the detector features both visual and audible warnings to alert users of the presence of gas. In addition, there is a dual-color battery indicator to show the battery power level. Overall, this is a quality gas leak detector that meets SAE-1627 and EN14624 standards.


  • Reaches hard areas due to a thin and flexible probe
  • Fast response in 3 seconds
  • Accurate due to 6 adjustable sensitivity levels
  • Easy gas presence reading due to direct response status


  • 6 seconds warm-up period

4. Gas Detector, KOABBIT Plug-in Carbon Monoxide

Gas Detector, KOABBIT Plug-in Carbon Monoxide

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This is a versatile gas detector against carbon monoxide and explosive gases. It is a leading design detector with a sleek digital display. The display allows for easy data reading and gas concentration levels. In addition, this nit features a simple push/test button for easy operation. You can easily silent that alarm in case of false alarms. This detector is quite easy to use and connects to a 90V-240V wall socket. You can also use 9V rechargeable batteries. There is a further 3-minute counting when gas is detected. Overall, this is a professional gas detector made to the highest standards.


  • Connects to battery or wall socket
  • Easy reading due to digital display
  • Easy operation due to push/test button
  • Detects explosive and carbon monoxide gases


  • Poor manual instructions

3. GEARDON Natural Gas Detector

GEARDON Natural Gas Detector

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This is another top-quality gas leak detector that will detect multiple gases. It is a suitable device for use in multiple applications. It can detect combustible gases, mists, and residues with ease. In addition, this detector features a LED digital display for easy gas concentration readings. In addition, there is a further sound warning with audible beeps. The detector is pretty easy to use connecting to a 90-240V wall socket. Furthermore, you can also use 9V batteries making the device extremely portable. Overall, this is an economical gas detector that uses a mere 3 watts of electricity. This is a professional gas detector with a 100% warranty.


  • Easy and simple to use
  • Shows gas concentration due to a LED digital display
  • Sound warning
  • Safe since it detects multiple gases


  • Needs pressing 3-4 seconds to turn off

2. OUCAXIA Natural Gas Detector for Home and Kitchen

OUCAXIA Natural Gas Detector for Home and Kitchen

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This is another multiple gas detector used widely to detect a wide range of gases. It can easily detect natural gas, sewer gas and much more. The detector features a LED display that clearly shows the exact gas concentration readings. Apart from the LED display, the detector also produces a loud voice notification when gas is detected. Lastly, the unit features a light signal where a flashing light shows the presence of gas. Overall, this is a versatile detector with 360-degree detection. It is also easy to install, energy-saving and features quality material construction.


  • Quality and durable due to superior material construction
  • Versatile 360-degree detection
  • Low energy consumption
  • Easy gas concentration reading due to LED display


  • Lacks a way to measure the accuracy

1. Natural Gas Detector, Propane Detector

Natural Gas Detector, Propane Detector

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This is our final best gas leak detector with a sound siren and a play voice. It is another decent addition to our list to consider buying. The detector easily installs due to directly plugging. It is a widely used gas detector that is used in factories, hotels, restaurants, garages, etc. You can easily detect multiple gases with ease. It is a reliable device that detects natural gas, petroleum gas, liquefied natural gas, gas fuel, and artificial gas. The detector is also highly rated and comes with excellent features for easy use.


  • Widely applied
  • Easy and quick to install
  • Sound siren and play voice
  • Detects multiple gases


  • None

Factors to consider when buying a gas leak detector

Not all gas detectors are made the same hence the need to choose carefully. There are several features one must consider when buying a gas leak detector. These features include the following:

Gas detected

Gas leak detectors are designed to detect different combustible gases. While some detectors can detect a wide array of gas, not all are designed to do so. Most detectors for home use only detect carbon monoxide and natural gas. The choice comes down on where you intend to use the detector. Some detectors are more comprehensive on their detection while others detect just a few gases. Make sure you consider detectors that detect several gases.

Design and shape

Gas leak detectors are available in a wide range of styles and shapes. The available gas leak detectors range from simple handheld models to plug-in alarm models. The choice of the best design usually comes down to the purpose. For periodical gas leak detection, then handheld models are the best. However, if you want to check gas leaks continually, the plug-in models with alarms are the best.

Detector sensitivity

How sensitive is the gas leak detector? The sensitivity of the detectors is usually measured in parts per million. A suitable gas leak detector needs to detect leaks at the lowest concentration possible to help save lives. This means choosing a detector with a sensitive tip for faster detection of gas at slight amounts.

Automatic calibration

You need a device that is ready to use out of the box without complicated adjustments. A device with automatic calibration after every use is pretty easy to operate hence highly recommended.

Auto-power off

Devices that come with automatic shut down after some period of use are ideal since they save on the battery. When on the worksite, leaving the device on for long periods can consume the battery power. However, with an auto-power off, the device can shut down after a few minutes helping save on battery power.

Audio and visual warning systems

The best detector needs to feature both the audio and visual warning system. Some even come with a headphone jack when working in loud areas.

Price and warranty

Lastly, you need to consider the device price and warranty options. Make sure the price is right and matching the features. It should also come with excellent warranty choices for confidence buying.

Final Verdict

In conclusion, these are the best gas leak detectors to consider buying this year. The detectors are highly rated and come with excellent features for easy use. Make sure you select one from our exclusive list above and order right away with confidence. You can never go wrong choosing a gas leak detector from our list above.

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