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10 Best Propane Detectors 2025 in the United States

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Our Top Picks

#1

Winner

Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display

Rating
9.8
Chosen by1,352
Sensitivity
Power Source
Alarm Type

Most important from
16044 reviews

Sensitivity
Perfect for a detached garage, detecting smoke, CO, natural gas, and propane with a clear display showing levels even when they're too low to trigger the alarm.
Power Source
Easy installation as it plugs directly into an outlet, with the option to detach the power supply and mount the alarm elsewhere.
Alarm Type
The alarm is loud enough to be heard from eight feet away, ensuring safety even in larger spaces.
Installation Location
Perfect for a detached garage, detecting smoke, CO, natural gas, and propane with a clear display showing levels even when they're too low to trigger the alarm.

The Kidde Carbon Monoxide Detector is a solid choice for anyone needing protection against carbon monoxide and explosive gases. Its easy installation is a major plus, as you simply plug it into a standard outlet, making it user-friendly even for those who aren’t tech-savvy. The included 9-volt battery backup is a significant strength, ensuring that the device remains functional during power outages, providing peace of mind when you need it most. The digital LED display clearly indicates gas levels, which is helpful for monitoring your environment at a glance. The loud 85-decibel alarm is effective at alerting you to any dangerous gas presence, and the Peak Level Memory feature is an excellent addition, allowing you to track past gas detection events. The Test-Hush Button simplifies maintenance by letting users test or silence the alarm with ease, which is great for reducing unnecessary panic from false alarms.

This detector does have some limitations. Being a plug-in model, it requires proximity to an outlet, which can restrict placement options. If you have a large space or want to cover multiple areas, you might need several units. The recommended lifespan of 7 years means you'll need to plan for replacements, especially if you’re not keen on monitoring the date closely. Additionally, while the unit is UL Listed, users should ensure that it's placed in appropriate locations as specified in the installation guidelines for optimal effectiveness.

The Kidde Carbon Monoxide Detector is a reliable option for households concerned about gas safety, particularly for those who prefer straightforward, user-friendly devices. It suits individuals and families looking for basic protection against harmful gas exposure, though those with larger spaces or specific installation needs should consider additional options.

Rating
9.8
Chosen by1,352
Sensitivity
Power Source
Alarm Type

Most important from
16044 reviews

Sensitivity
Perfect for a detached garage, detecting smoke, CO, natural gas, and propane with a clear display showing levels even when they're too low to trigger the alarm.
Power Source
Easy installation as it plugs directly into an outlet, with the option to detach the power supply and mount the alarm elsewhere.
Alarm Type
The alarm is loud enough to be heard from eight feet away, ensuring safety even in larger spaces.
Installation Location
Perfect for a detached garage, detecting smoke, CO, natural gas, and propane with a clear display showing levels even when they're too low to trigger the alarm.
#2

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

Rating
9.6
Power Source
Installation Location

Most important from
329 reviews

Power Source
Just plug these in and they talk to you, giving positive confirmation that they are working.
Installation Location
Works great in the kitchen where natural gas is used and near a gas grill under a covered porch.

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.

The detector operates on a plug-in power source, eliminating the need for batteries, which can be a hassle to replace. With an 85dB alarm, it effectively alerts users to dangerous gas levels, making it suitable for home use, kitchens, or RVs. Its lightweight design (only 0.05 pounds) also makes it easy to install in various locations without taking up much space.

There are a few considerations to keep in mind. While the 4-in-1 functionality is a major benefit, the sensitivity of the sensor may vary based on environmental factors. Some users have noted that it occasionally gives false alarms, particularly in high-humidity areas.

Rating
9.6
Power Source
Installation Location

Most important from
329 reviews

Power Source
Just plug these in and they talk to you, giving positive confirmation that they are working.
Installation Location
Works great in the kitchen where natural gas is used and near a gas grill under a covered porch.
#3

RV Dual LP/CO Alarm, RV Carbon Monoxide & Propane Detector, Hardwired-12V DC with 3 Different Brackets for Motorhome Travel Trailer, Motor Coach, Truck Camper (R502 Black)

Rating
9.3
Power Source

Most important from
98 reviews

Power Source
The device powers up and runs diagnostics smoothly, displaying a clear zero when everything is okay.

The RV Dual LP/CO Alarm by Leakbee is a versatile propane and carbon monoxide detector specifically designed for RVs, motorhomes, and campers. It features two highly sensitive sensors that can effectively detect leaks, ensuring safety during your travels. The device is hardwired to a 12V DC power supply, which means it doesn’t rely on batteries – reducing maintenance hassle. The alarm system is both visual, with a digital LED display, and audible, emitting an 85-decibel warning sound which is loud enough to alert anyone nearby to the danger of a gas leak or high carbon monoxide levels.

Installation is made easier with lever-nut connectors, minimizing the time spent on wiring, and it comes with three different mounting brackets to fit various installation needs – a great plus for compatibility with different RV models. Moreover, it meets UL1484 and UL2034 safety standards, adding an extra layer of reliability and trustworthiness.

On the downside, since it’s hardwired, installation might be more challenging for users without electrical experience, and it requires a continuous power supply. However, this configuration ensures it remains consistently operational. This detector offers solid performance and user-friendly features that make it an excellent choice for ensuring safety in your RV or camper.

Rating
9.3
Power Source

Most important from
98 reviews

Power Source
The device powers up and runs diagnostics smoothly, displaying a clear zero when everything is okay.

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.

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