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10 Best Home Radon Detectors 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)

Rating
9.8
Chosen by1,435
Detection Method
Accuracy
Ease of Use

Most important from
1596 reviews

Detection Method
For constant monitoring with alerts, to monitor all sorts of airborne levels accurately, there isn't another product on the market I could find.
Accuracy
High inconsistency – Radon meter is way off. One unit showed 3.8pCi/L while others showed 1.6 and 2pCi/L.
Ease of Use
The smartphone app's UI and usability is exceptionally good and the product is easy to work with.
Data Display and Connectivity
The convenience of getting alerts from anywhere and seeing results any time of day or night is really worth the extra coin.

The Airthings 2960 View Plus is a comprehensive air quality monitor that excels in detecting radon, a critical concern for non-smokers due to its link to lung cancer. It employs electrochemical sensors to measure radon, PM2.5, CO2, VOCs, humidity, temperature, and air pressure, offering a wide range of data for maintaining a healthy indoor environment. The always-on sensors ensure continuous monitoring, and the data is accessible via the user-friendly Airthings app, which provides real-time updates and historical trends. This makes it easy to stay informed about your home’s air quality and take action when necessary.

Installation is hassle-free, thanks to its battery-powered design, which allows flexible placement without worrying about power outlets. The eInk screen is customizable and provides a clear visual display of essential metrics. On the downside, the device requires an internet connection and an account setup to function fully, which might be a drawback for those looking for a completely offline solution. Additionally, while the provided 6 AA batteries offer a decent lifespan, they will require periodic replacement. The accuracy of radon measurement is reliable after a 7-day period, but initial readings may vary.

The Airthings 2960 View Plus is a robust choice for homeowners concerned about radon and total air quality, offering extensive monitoring capabilities and ease of use, with some reliance on internet connectivity and ongoing battery maintenance.

Rating
9.8
Chosen by1,435
Detection Method
Accuracy
Ease of Use

Most important from
1596 reviews

Detection Method
For constant monitoring with alerts, to monitor all sorts of airborne levels accurately, there isn't another product on the market I could find.
Accuracy
High inconsistency – Radon meter is way off. One unit showed 3.8pCi/L while others showed 1.6 and 2pCi/L.
Ease of Use
The smartphone app's UI and usability is exceptionally good and the product is easy to work with.
Data Display and Connectivity
The convenience of getting alerts from anywhere and seeing results any time of day or night is really worth the extra coin.
#2

Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

Rating
9.6
Detection Method
Measurement Duration
Accuracy

Most important from
10446 reviews

Detection Method
The Airthings radon detector confirmed high radon levels quickly, which was critical in addressing the issue promptly.
Measurement Duration
The device provides 1-day, 7-day, and long-term averages, which is ideal for understanding radon level trends.
Accuracy
It's incredibly accurate, nearly matching the results from professional-grade radon testing devices.
Ease of Use
This device is foolproof and simple to use; just place it in a good spot and read the screen.
Calibration and Maintenance
The Corentium does not require recalibration over its 10-year lifespan, unlike some other devices.

The Airthings Corentium Home Radon Detector is notable for being the first battery-operated, digital radon detector, making it highly portable and easy to use without needing a nearby outlet. It runs on three AAA batteries, which adds to its convenience. The device is designed for long-term monitoring of radon gas, crucial since radon levels can vary day-to-day. This feature helps homeowners keep track of potentially dangerous radon levels and make informed decisions if action is required.

One of the key advantages is the ability to display both short-term and long-term radon readings on-screen, providing a quick and comprehensive overview of the environment. The capability to generate a radon self-inspection report easily adds to the user control and practical utility of the device. Weighing only 3.52 ounces and with compact dimensions (1"D x 2.7"W x 4.7"H), it is easy to place around the home discreetly.

However, the device lacks advanced connectivity options such as Wi-Fi or Bluetooth, which means users cannot remotely monitor or receive alerts on their smartphones. Also, while it offers decent accuracy for a consumer-grade product, it may not match the precision of professional-grade radon detectors. Calibration and maintenance are simplified due to the nature of its design, but users should still periodically check the device's batteries and functionality. The radon detector is best suited for homeowners looking for a simple, reliable way to monitor radon levels over time without the need for continuous professional intervention.

Rating
9.6
Detection Method
Measurement Duration
Accuracy

Most important from
10446 reviews

Detection Method
The Airthings radon detector confirmed high radon levels quickly, which was critical in addressing the issue promptly.
Measurement Duration
The device provides 1-day, 7-day, and long-term averages, which is ideal for understanding radon level trends.
Accuracy
It's incredibly accurate, nearly matching the results from professional-grade radon testing devices.
Ease of Use
This device is foolproof and simple to use; just place it in a good spot and read the screen.
Calibration and Maintenance
The Corentium does not require recalibration over its 10-year lifespan, unlike some other devices.
#3

Airthings 2930 Wave Plus - Radon & Air Quality Monitor, Battery Powered (CO2, VOC, Humidity, Temp, Pressure)

Rating
9.3
Detection Method
Measurement Duration
Accuracy

Most important from
3138 reviews

Detection Method
The 'Wave' gesture function offers an intuitive, quick visual of air quality with its color-coded light ring.
Measurement Duration
The Wave Plus offers valuable long-term insights into air quality rather than immediate readings, with quick updates for CO2 levels.
Accuracy
The device's measurements are consumer-grade, offering a reliable indication of air quality without needing professional calibration.
Ease of Use
The user-friendly app provides easy access to historic data and works seamlessly across devices.
Data Display and Connectivity
The Airthings Wave Plus transforms understanding of indoor air quality with its detailed hourly tracking and automatic graphing of data.

The Airthings 2930 Wave Plus is a comprehensive air quality monitor designed for home use, offering reliable radon detection along with monitoring for CO2, VOCs, humidity, temperature, and air pressure. This makes it a versatile choice for users looking to have a robust understanding of their indoor environment. Its continuous long-term measuring capability addresses the fluctuating nature of radon levels, which is crucial for accurate detection.

One significant advantage is the ease of use, with a simple wave gesture providing color-coded visual indications of air quality, and Bluetooth connectivity to the Airthings App for more detailed insights. This makes it user-friendly for those who prefer straightforward interaction with their tech devices. However, the product requires regular maintenance, as it is battery-powered, using 2 AA batteries that last around 1.5 years. While this is relatively convenient, it could be a consideration for those who prefer devices with longer battery life or wired options.

The Airthings Wave Plus is also known for its accuracy, with a measurement accuracy of ~10% at 5 pCi/L after 7 days of use. While this is suitable for most users, professional calibration may be needed for those requiring higher precision. Designed in Norway and backed by 15 years of industry experience, the device is trusted worldwide, and comes with a 5-year extended warranty, adding to its reliability and customer assurance. However, the reliance on Bluetooth connectivity might limit real-time data accessibility unless paired with compatible devices like the Airthings Hub or connected through Alexa. For homeowners concerned with a variety of air quality factors beyond just radon, this device offers a comprehensive solution. But for those seeking a dedicated radon detector without additional features, or who need real-time connectivity without auxiliary devices, it might be more than necessary.

Rating
9.3
Detection Method
Measurement Duration
Accuracy

Most important from
3138 reviews

Detection Method
The 'Wave' gesture function offers an intuitive, quick visual of air quality with its color-coded light ring.
Measurement Duration
The Wave Plus offers valuable long-term insights into air quality rather than immediate readings, with quick updates for CO2 levels.
Accuracy
The device's measurements are consumer-grade, offering a reliable indication of air quality without needing professional calibration.
Ease of Use
The user-friendly app provides easy access to historic data and works seamlessly across devices.
Data Display and Connectivity
The Airthings Wave Plus transforms understanding of indoor air quality with its detailed hourly tracking and automatic graphing of data.

Buying Guide for the Best Home Radon Detectors

Choosing the right home radon detector is crucial for ensuring the safety and health of your household. Radon is a colorless, odorless gas that can pose serious health risks, including lung cancer, if present in high levels. A good radon detector will help you monitor and manage radon levels in your home effectively. Here are the key specifications to consider when selecting a radon detector and how to navigate them to find the best fit for your needs.
Detection MethodThe detection method refers to how the radon detector measures radon levels. There are two main types: passive and active detectors. Passive detectors, like charcoal canisters, are typically used for short-term testing and do not require power. Active detectors, such as continuous radon monitors, provide ongoing monitoring and require a power source. If you need a quick snapshot of radon levels, a passive detector might suffice. However, for continuous monitoring and more accurate readings, an active detector is recommended.
Measurement DurationMeasurement duration indicates how long the detector needs to be in place to provide an accurate reading. Short-term tests usually last from 2 to 90 days, while long-term tests can last from 3 months to a year. Short-term tests are useful for initial assessments, but long-term tests provide a more accurate picture of radon levels over time. If you need immediate results, opt for a short-term test. For a comprehensive understanding of radon levels, a long-term test is better.
AccuracyAccuracy is crucial in radon detection as it determines how reliable the readings are. Higher accuracy detectors provide more precise measurements, which is essential for making informed decisions about mitigation. Look for detectors that have been tested and certified by recognized organizations. If you live in an area known for high radon levels, investing in a highly accurate detector is important to ensure your safety.
Ease of UseEase of use refers to how simple the detector is to set up and operate. Some detectors require professional installation, while others are designed for easy DIY setup. Consider your comfort level with technology and installation. If you prefer a hassle-free experience, choose a detector that is user-friendly and comes with clear instructions.
Data Display and ConnectivityData display and connectivity pertain to how the detector presents radon level readings and whether it can connect to other devices. Some detectors have digital displays, while others might connect to your smartphone or computer for real-time monitoring and alerts. If you want to keep a close eye on radon levels and receive notifications, opt for a detector with connectivity features. For basic monitoring, a simple digital display might be sufficient.
Calibration and MaintenanceCalibration and maintenance involve the upkeep required to ensure the detector remains accurate over time. Some detectors need regular calibration, which might require professional service, while others are maintenance-free. Consider how much effort you are willing to put into maintaining the detector. If you prefer a low-maintenance option, look for detectors that require minimal calibration.

FAQ