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10 Best Propane Detectors 2025 in the United States
#1
Winner
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 and Explosive Gas Detector is designed to enhance home safety by detecting propane, natural gas, methane, carbon monoxide, and explosive gases. It’s easy to install—just plug it into a standard 120V outlet—and it includes a 9-volt battery backup to maintain operation during power outages, ensuring continuous protection. The digital LED display clearly shows gas levels or alerts you when explosive gas is present, making it straightforward to understand the situation at a glance. Its alarm is loud (85 decibels), which should be sufficient to wake most people in case of danger.
Rating
10.0
Chosen by1,110
Sensitivity
Alarm Type
Installation Location
Most important from
86 reviews
#2
UEi Test Instruments CD100A Combustible Gas Leak Detector
The UEi Test Instruments CD100A Combustible Gas Leak Detector is a handy tool designed to detect a variety of gases including propane, methane, natural gas, and more. Its catalytic sensor is sensitive enough for both residential and commercial use, making it a solid choice for homeowners and HVAC professionals alike. One of its strengths is the long, flexible 18-inch gooseneck with a built-in tip light, which helps locate leaks in tight or dark spaces easily. The detector provides both audible and visual alarms through increasing beeps and flashing lights, helping you quickly identify the presence of gas.
Rating
7.6
Sensitivity
Alarm Type
Most important from
728 reviews
#3
Combination Gas & Carbon Monoxide Detector, Plug in Carbon Monoxide Alarm,Natural Gas Detector,Propane,Methane,4-in-1 Combustible Gas & CO Detector with Fahrenheit(°F) & Humidity for Home,RV,Apartment
The KOABBIT Combination Gas & Carbon Monoxide Detector is a versatile 4-in-1 device that monitors propane, natural gas, carbon monoxide, temperature, and humidity. One of its notable strengths is the real-time digital display, which provides users with immediate information on gas levels and environmental conditions. This feature adds a layer of convenience and peace of mind, especially for those living in areas where gas leaks might pose a risk.
Rating
7.6
Power Source
Installation Location
Most important from
756 reviews
Top 10 Best Propane Detectors 2025 in the United States
#1
Winner
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 with 9V battery backup
Alarm Type: Audible
Installation Location: Near an outlet
Chosen by 1110 this week
UEi Test Instruments CD100A Combustible Gas Leak Detector
UEi Test Instruments CD100A Combustible Gas Leak Detector
Power Source: 4 AA batteries
Alarm Type: Audible, Visual
Installation Location: Handheld
Combination Gas & Carbon Monoxide Detector, Plug in Carbon Monoxide Alarm,Natural Gas Detector,Propane,Methane,4-in-1 Combustible Gas & CO Detector with Fahrenheit(°F) & Humidity for Home,RV,Apartment
Combination Gas & Carbon Monoxide Detector, Plug in Carbon Monoxide Alarm,Natural Gas Detector,Propane,Methane,4-in-1 Combustible Gas & CO Detector with Fahrenheit(°F) & Humidity for Home,RV,Apartment
Power Source: Plug in
Alarm Type: 85DB Alarm
Installation Location: home, kitchens, or RVs
Safe T Alert 20 Series Mini LP Gas Alarm - Propane Alarm - Surface Mount, White - 20-441-P-WT
Safe T Alert 20 Series Mini LP Gas Alarm - Propane Alarm - Surface Mount, White - 20-441-P-WT
Sensitivity: less than 25% of LEL of propane
Power Source: 12-volt hard-wired
Alarm Type: Audible
Installation Location: recreational vehicles and homes
Xalire Gas Leak Detector, Natural Gas Alarm for Home & RV, Plug-in Propane Detector Monitor with Audible & Visual Alarm, AC 120V-240V, White Color
Xalire Gas Leak Detector, Natural Gas Alarm for Home & RV, Plug-in Propane Detector Monitor with Audible & Visual Alarm, AC 120V-240V, White Color
Sensitivity: high sensitivity
Power Source: AC 110V-240V
Alarm Type: 85dB alarm, LED display
Installation Location: kitchens, basements, RVs
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Tadeto RV Carbon Monoxide and Propane Gas Alarm, 12V DC Hardwired CO/LPG Gas Leak Alarm with Light and Audible Indicator, RV Propane Detector with Reset/Backlight for RV/Trailer/Camper
Tadeto RV Carbon Monoxide and Propane Gas Alarm, 12V DC Hardwired CO/LPG Gas Leak Alarm with Light and Audible Indicator, RV Propane Detector with Reset/Backlight for RV/Trailer/Camper
Sensitivity: high-sensitivity electrochemical sensors
Power Source: 12V DC hardwired
Alarm Type: 85-decibel sound and flashing light
Installation Location: RVs, trailers, campers
Nuleto RV Dual LP/CO Alarm，RV Carbon Monoxide & Propane Gas Detector with Separate LED Indicator Light, Early Warning to Ensure RV Camping Safety Travel (with 1 Bracket), Black
Nuleto RV Dual LP/CO Alarm，RV Carbon Monoxide & Propane Gas Detector with Separate LED Indicator Light, Early Warning to Ensure RV Camping Safety Travel (with 1 Bracket), Black
Sensitivity: high-sensitivity sensor, detects in 0.5-2s
Power Source: DC 12V
Alarm Type: Visual and Audible Alarm
Installation Location: RV
Certification: UL listed
Natural Gas Detector CH4/Propane/Methane - Portable Natural Gas Leak Alarm with LED Light & Audible Alert, 100% Battery-Powered Gas Monitor for Home, RV, Kitchen, Apartment Safety (Battery Included)
Natural Gas Detector CH4/Propane/Methane - Portable Natural Gas Leak Alarm with LED Light & Audible Alert, 100% Battery-Powered Gas Monitor for Home, RV, Kitchen, Apartment Safety (Battery Included)
Sensitivity: 8% LEL
Power Source: Battery Powered
Alarm Type: Audible and visible
Installation Location: Homes, kitchens, apartments, RVs
TopTes PT-830S Rechargeable Gas Leak Detector with 14.5 Inch Flexible Probe, Range 0-10000 ppm, TFT Color Display & 3 Types Alarm, Natural Gas Leak Detector for Propane, Methane for Home or Industrial
TopTes PT-830S Rechargeable Gas Leak Detector with 14.5 Inch Flexible Probe, Range 0-10000 ppm, TFT Color Display & 3 Types Alarm, Natural Gas Leak Detector for Propane, Methane for Home or Industrial
Sensitivity: adjustable sensitivity
Power Source: rechargeable lithium polymer battery
Alarm Type: 90dB buzzer, lights, vibration
Installation Location: manual and handheld
#10
Safe T Alert 20 Series Mini LP Gas Alarm - Propane Alarm - Surface Mount, Black - 20-441-P-BL
Safe T Alert 20 Series Mini LP Gas Alarm - Propane Alarm - Surface Mount, Black - 20-441-P-BL
Sensitivity: less than 25% of LEL
Power Source: Hard-Wired
Alarm Type: Audible
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Buying Guide for the Best Propane Detectors
When it comes to choosing a propane detector, it's essential to understand the key features and specifications that will ensure your safety and meet your specific needs. Propane detectors are crucial for detecting leaks and preventing potential hazards in homes, RVs, and other spaces where propane is used. By understanding the different specifications, you can make an informed decision and select the best propane detector for your situation.SensitivitySensitivity refers to the detector's ability to detect low levels of propane gas. This is important because early detection of a leak can prevent dangerous situations. Sensitivity is usually measured in parts per million (ppm). Detectors with higher sensitivity can detect smaller amounts of propane, providing an early warning. For general home use, a sensitivity of around 500 ppm is typically sufficient, while more sensitive detectors (100-300 ppm) are better for environments where even a small leak could be hazardous, such as in RVs or near gas appliances.
Power SourceThe power source of a propane detector can affect its reliability and convenience. Detectors can be powered by batteries, hardwired into your home's electrical system, or plugged into an outlet. Battery-powered detectors offer flexibility in placement and continue to work during power outages, but require regular battery changes. Hardwired detectors are more permanent and don't need battery replacements, but may not work during power outages unless they have a battery backup. Plug-in detectors are easy to install and move, but are dependent on the availability of an outlet. Choose a power source that fits your lifestyle and ensures continuous operation.
Alarm TypeThe alarm type refers to how the detector alerts you to the presence of propane. Common alarm types include audible alarms, visual indicators (like flashing lights), and even smart notifications sent to your phone. Audible alarms are crucial for immediate awareness, especially if you are asleep or in another room. Visual indicators can be helpful for those with hearing impairments or in noisy environments. Smart notifications are useful if you want to be alerted even when you are not at home. Consider your household's needs and choose a detector with an alarm type that ensures you will be promptly alerted in case of a leak.
Installation LocationThe installation location of a propane detector is important for effective monitoring. Propane is heavier than air and tends to settle near the floor, so detectors should be installed low to the ground, typically within 6-12 inches of the floor. For RVs, place detectors near propane appliances and sleeping areas. In homes, install detectors in rooms where propane is used, such as kitchens and near gas fireplaces. Ensure the detector is placed in a location where it can effectively monitor for leaks and provide timely alerts.
CertificationCertification indicates that the propane 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). These certifications ensure that the detector has been tested for reliability and effectiveness. Choosing a certified detector provides peace of mind that the product meets high safety standards and will perform as expected in detecting propane leaks.