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10 Best Propane Gas Detectors 2025 in the United States
#1
Winner
4-IN-1 Natural Gas Leak Detector & Carbon Monoxide Detectors with Natural, Propane, Co & Gas Leak Detector - Carbon Monoxide Detectors Plug in - Temperature & Humidity Detectors for Home, RV (2 Packs)
This 4-in-1 Natural Gas Leak and Carbon Monoxide Detector by NICGOL offers a versatile safety solution by combining detection of natural gas, propane, carbon monoxide, temperature, and humidity in one compact device. Its catalytic sensor and dual-sensor technology provide sensitive and reliable monitoring of dangerous gases, with audible and visual alarms that activate quickly when hazardous levels are detected. The alarm is loud enough (≥85dB) and includes flashing lights to ensure you notice the warning promptly, which is crucial for protecting families in homes and mobile spaces like RVs.
Rating
10.0
Chosen by1,217
Sensitivity
Power Source
Alarm Type
Most important from
1236 reviews
#2
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
The Kidde Carbon Monoxide Detector is a versatile device designed to detect carbon monoxide, propane, natural gas, methane, and explosive gases, making it a great fit for households that rely on gas appliances. One of its key strengths is the easy plug-in installation, which allows users to set it up without professional help. The included 9-volt battery backup ensures that the detector remains operational during power outages, providing peace of mind. The digital LED display is user-friendly, clearly indicating gas levels or signaling when gas is detected, while the 85-decibel alarm is loud enough to alert you to potential dangers.
Rating
8.8
Sensitivity
Power Source
Alarm Type
Most important from
16534 reviews
#3
Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries
The Klein Tools ET120 Gas Leak Detector is designed for those needing a reliable and versatile propane gas detector. It has a wide detection range from 50 to 10,000 ppm, making it suitable for various monitoring needs. You can adjust the sensitivity to high or low settings, allowing for more precise gas detection.
Rating
7.9
Sensitivity
Most important from
1810 reviews
Top 10 Best Propane Gas Detectors 2025 in the United States
#1
Winner
4-IN-1 Natural Gas Leak Detector & Carbon Monoxide Detectors with Natural, Propane, Co & Gas Leak Detector - Carbon Monoxide Detectors Plug in - Temperature & Humidity Detectors for Home, RV (2 Packs)
4-IN-1 Natural Gas Leak Detector & Carbon Monoxide Detectors with Natural, Propane, Co & Gas Leak Detector - Carbon Monoxide Detectors Plug in - Temperature & Humidity Detectors for Home, RV (2 Packs)
Power Source: AC
Alarm Type: Audible and Visual
Additional Features: 4-in-1 gas, CO, temp, humidity detection
Chosen by 1217 this week
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
Power Source: Plug In
Alarm Type: Audible
Installation Location: Wall outlet
Additional Features: 9-volt battery backup, LED display, Test-Hush Button
Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries
Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries
Sensitivity: High or Low
Power Source: Battery Powered
Alarm Type: Audible and Visual
Additional Features: Auto-Power Off, Visual, Audible
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
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
Sensitivity: 50-10,000 ppm for methane
Power Source: Battery Powered
Alarm Type: Audible & Visual
Installation Location: Home and RV
Additional Features: 17-inch gooseneck, Auto Power-Off, Mute
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
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
Sensitivity: 50-1,000 ppm
Power Source: Battery Powered
Alarm Type: Audible, Visual
Additional Features: Auto shut-off after 5 minutes
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Up to 16% off
3 Packs Combination Gas & Carbon Monoxide Detectors, Plug in Natural Gas Detector & Carbon Monoxide Alarm, CO Detector Alarm & Propane, Methane, Explosive Gas Detector for Home,RV,Easy to Install
3 Packs Combination Gas & Carbon Monoxide Detectors, Plug in Natural Gas Detector & Carbon Monoxide Alarm, CO Detector Alarm & Propane, Methane, Explosive Gas Detector for Home,RV,Easy to Install
Power Source: Plug in
Alarm Type: 85DB Alarm
Installation Location: households, RVs
Additional Features: dual sensor, digital display, power-saving
UEi Test Instruments CD100A Combustible Gas Leak Detector
UEi Test Instruments CD100A Combustible Gas Leak Detector
Power Source: Crank
Alarm Type: Audible, Visual
Additional Features: 18-inch gooseneck, tip light, 4 AA batteries
RV SAFE RVLP-2B Propane Gas Alarm - 2-Wire, Black
RV SAFE RVLP-2B Propane Gas Alarm - 2-Wire, Black
Sensitivity: Electrochemical propane sensor
Power Source: Battery powered
Alarm Type: Audible
Installation Location: Surface mount with universal brackets
Certification: UL 1484 and 2034
Additional Features: 5 years rated lifespan
Amprobe GSD600 Gas Leak Detector
Amprobe GSD600 Gas Leak Detector
Sensitivity: Methane: 40-640 ppm, Propane: 35-580 ppm
Power Source: Battery Powered
Alarm Type: Audible
Certification: certified frustration-free
Additional Features: audible alarm, LED display, earphone jack
#10
Safe T Alert 30 Series Classic LP Gas Alarm - Propane Alarm - Flush Mount, Black - 30-442-P-BL
Safe T Alert 30 Series Classic LP Gas Alarm - Propane Alarm - Flush Mount, Black - 30-442-P-BL
Power Source: Battery Powered
Alarm Type: Audible
Installation Location: RV
Certification: RVIA, UL
Additional Features: Test/reset button, 1-year warranty
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Buying Guide for the Best Propane Gas Detectors
Choosing the right propane gas detector is crucial for ensuring safety in your home or workplace. Propane gas detectors are designed to alert you to the presence of propane gas, which can be hazardous if it accumulates in enclosed spaces. When selecting a propane gas detector, it's important to consider several key specifications to ensure you get a device that meets your needs and provides reliable protection.SensitivitySensitivity refers to the detector's ability to detect low levels of propane gas. This is important because early detection can prevent dangerous situations. Sensitivity is usually measured in parts per million (ppm). Detectors with higher sensitivity can detect lower concentrations of gas, which is ideal for environments where even small leaks can be hazardous. For general home use, a detector with moderate sensitivity is usually sufficient, while industrial settings may require higher sensitivity.
Power SourceThe power source of a propane gas detector can be either battery-operated or hardwired. Battery-operated detectors are easy to install and can be placed anywhere, making them ideal for temporary setups or areas without electrical outlets. However, they require regular battery replacement. Hardwired detectors are connected to your home's electrical system and often have a battery backup for power outages. They are more reliable for long-term use but require professional installation. Choose based on your installation preferences and the availability of power sources in the area you want to monitor.
Alarm TypeThe alarm type indicates how the detector alerts you to the presence of propane gas. Common alarm types include audible alarms, visual alarms (such as flashing lights), and even smart alarms that send notifications to your phone. Audible alarms are essential for immediate awareness, especially in larger spaces or noisy environments. Visual alarms can be helpful for individuals with hearing impairments. Smart alarms offer the convenience of remote monitoring and are ideal for tech-savvy users who want to stay informed even when they are not at home.
Installation LocationThe installation location is crucial for the effectiveness of the propane gas detector. Propane is heavier than air, so detectors should be installed low to the ground, near potential leak sources like gas appliances or storage tanks. Some detectors are designed for specific locations, such as kitchens or basements. Consider where you plan to install the detector and choose one that is suitable for that environment. Proper placement ensures that the detector can accurately sense gas leaks and provide timely alerts.
CertificationCertification indicates that the propane gas detector meets certain safety and performance standards. Look for detectors that are certified by recognized organizations such as Underwriters Laboratories (UL) or the Canadian Standards Association (CSA). Certification ensures that the detector has been tested for reliability and effectiveness. Choosing a certified detector provides peace of mind that the device will perform as expected in detecting propane gas leaks.
Additional FeaturesAdditional features can enhance the functionality and convenience of a propane gas detector. Some detectors come with digital displays that show gas concentration levels, while others may have built-in carbon monoxide detection. Features like self-testing and end-of-life indicators can help ensure the detector is always functioning properly. Consider which additional features are important to you based on your specific needs and preferences. These features can provide extra layers of safety and convenience.