Best Gas Leak Detectors (Updated November 2025)

Let the experts at Buyer's Report help keep you safe from potential leaks, with the best gas leak detectors available today.

Advertising Disclosure
1
Best Overall
PT520A Gas Leak Detector TopTes

PT520A Gas Leak Detector

10.0 (3,484 reviews)
  • Accurately locates combustible gas leaks in any sized space
  • Produces a rapid response in only 0.5 seconds
  • Flexible 17" probe can be inserted into pipelines, tanks, & more
  • Easy-to-read backlit display features 7 colored indicator bars
  • Extra-loud 75dB buzzer will alert when a leak is detected
CHECK PRICE Amazon

Picked by 152 people today

2
PT205 Gas Leak Detector TopTes

PT205 Gas Leak Detector

9.9 (8,092 reviews)
  • Innovative design that can detect a wide range of combustible gases
  • Produces highly accurate %LEL readings in only 0.5 seconds
  • Equipped with both visual & audible alarms for when leaks are detected
  • Compact shape fits easily into any bag, pocket, or toolbox
  • Choose between 2 sensitivity modes depending on the situation
16% Off CHECK PRICE Amazon

Picked by 131 people today

3
PT199 Natural Gas Leak Detector TopTes

PT199 Natural Gas Leak Detector

9.8 (8,092 reviews)
  • Pinpoints potential leaks of over 10+ combustible gases
  • Reduces the risk of explosion to keep people & property safe
  • Employs both visual & audible alarms when a leak is detected
  • Provides lightning-fast results in only 0.5 seconds
  • Compact design is perfect for pockets, toolboxes, & drawers
18% Off CHECK PRICE Amazon

Picked by 219 people today

4
PT520B+ Natural Gas Detector TopTes

PT520B+ Natural Gas Detector

9.7 (3,431 reviews)
  • Quickly & accurately detects methane, propane, & natural gas
  • Instantly displays %LEL or PPM results with 4 digit readings
  • Uses 11 colored bars & a 75dB alarm to warn of any danger
  • Includes a 17" gooseneck probe for hard-to-reach areas
  • Easy to re-charge using the provided micro USB cable
CHECK PRICE Amazon

Picked by 273 people today

5
PT210S Gas Leak Detector TopTes

PT210S Gas Leak Detector

9.6 (1,208 reviews)
  • Features a convenient 4-inch probe & portable pen-shaped design
  • Quickly find leaks in 0.5 seconds & automatic shut off
  • Displays the current gas leakage in %LEL with a clear two-digit reading
  • Produces both visual & audible alerts when a leak is detected
  • Pinpoints potential leaks of over 10+ combustible gases
CHECK PRICE Amazon

Picked by 252 people today

6
RV Propane Gas Detector GasDoc

RV Propane Gas Detector

9.5 (921 reviews)
  • Provides RV users with sensitive & efficient gas leak monitoring
  • Ensures around-the-clock protection with visual & audible alarms
  • Includes 3 mounting bracket options to fit seamlessly into any space
  • Simplified installation process that can be completed in minutes
  • Connects to the RVs power supply for worry-free & long-term usage
CHECK PRICE Amazon

Picked by 221 people today

Top Rated Gas Leak Detector

1
Best Overall
PT520A Gas Leak Detector TopTes

PT520A Gas Leak Detector

10.0 (3,484 reviews)
  • Accurately locates combustible gas leaks in any sized space
  • Produces a rapid response in only 0.5 seconds
  • Flexible 17" probe can be inserted into pipelines, tanks, & more
  • Easy-to-read backlit display features 7 colored indicator bars
  • Extra-loud 75dB buzzer will alert when a leak is detected
CHECK PRICE Amazon

Picked by 152 people today