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10 Best Home Radon Detectors 2025 in the United States

#1

Winner

10.0 score

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

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

Airthings

10.0 score

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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.

Rating
10.0
Chosen by1,229
Detection Method
Accuracy
Ease of Use

Most important from
1667 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
9.1 score

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

13%OFF

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

Airthings

9.1 score

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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.

Rating
9.1
Detection Method
Measurement Duration
Accuracy

Most important from
10554 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
8.8 score

Airthings Corentium Pro Digital Radon Monitor, Portable

Airthings Corentium Pro Digital Radon Monitor, Portable

Airthings

8.8 score

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The Airthings Corentium Pro Digital Radon Monitor is a solid choice for those looking for a portable and reliable device to monitor radon levels at home. One of its major strengths is its certification by AARST/NRPP, ensuring that it meets professional standards for accuracy, crucial for health-related measurements. The monitor is equipped with additional sensors for temperature, pressure, and humidity, providing comprehensive environmental data. It's easy to use, with an intuitive mobile app available on both iOS and Android, which enhances its portability and convenience in tracking radon levels over time.

Rating
8.8
Detection Method
Accuracy
Ease of Use

Most important from
68 reviews

Detection Method
The equipment is tamper-resistant, detecting unusual airflow during testing, which is crucial for accurate results.
Accuracy
Provides fast, reliable results, eliminating the need to send samples to a lab and wait for processing.
Ease of Use
Immediate reports and quick connection to the app make it very easy to use.
Data Display and Connectivity
Reports can be sent directly from the phone, enhancing convenience for both inspectors and clients.

Top 10 Best Home Radon Detectors 2025 in the United States

#1

Winner

10.0  score
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Airthings

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

Detection Method: electrochemical sensors
Measurement Duration: continuous
Accuracy: Radon: After 7 days: σ ~ 10%
Ease of Use: user-friendly app, customizable eInk screen
Data Display and Connectivity: eInk screen, Airthings app, internet required
Calibration and Maintenance: periodic battery replacement

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Chosen by 1229 this week

#2
9.1  score
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Airthings

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

Detection Method: radon detector
Measurement Duration: long-term monitoring
Accuracy: decent for consumer-grade product
Ease of Use: portable and easy to use
Data Display and Connectivity: displays radon readings; lacks Wi-Fi/Bluetooth
Calibration and Maintenance: simplified by design

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13% OFF
#3
8.8  score
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Airthings

Airthings Corentium Pro Digital Radon Monitor, Portable

Measurement Duration: up to five years
Accuracy: certified by AARST/NRPP
Ease of Use: intuitive app on iOS and Android
Data Display and Connectivity: data shown mainly via app
Calibration and Maintenance: needs calibration and maintenance

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#4
8.5  score
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Airthings

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

Detection Method: Radon, CO2, VOCs, humidity, temperature
Measurement Duration: Continuous long-term
Accuracy: ~10% at 5 pCi/L after 7 days
Ease of Use: Simple gesture, Bluetooth connectivity
Data Display and Connectivity: Bluetooth, Airthings App, Alexa compatible
Calibration and Maintenance: May need calibration, 2 AA batteries

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8% OFF
#5
7.9  score
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Airthings

Airthings 2989 View Radon - Radon Monitor with Humidity & Temperature Detector - Battery Powered Mobile APP, WiFi, Alerts & Notifications

Detection Method: advanced radon sensor
Measurement Duration: Continuous monitoring
Ease of Use: view data anytime, wireless, long battery
Data Display and Connectivity: customizable display, eInk, mobile app
Calibration and Maintenance: low maintenance

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17% OFF
#6
7.9  score
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Airthings

Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App

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53% OFF
#7
7.6  score
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Ecosense Inc.

Ecosense EQ100 EcoQube, Digital Radon Detector, Fast Capture of Fluctuating Levels, Short & Long-Term Continuous Monitoring with Trend Charts, Remote Data Access, Only Support 2.4 GHz Networks

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#8
7.3  score
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Aranet

SAF Aranet Radon Detector for Home: 10-Min Measurement, Temperature, Relative Humidity, Pressure, E-Ink Display, 7-Year Battery, Portable with Free App, Bq/m3 & pCi/L Selectable

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#9
7.0  score
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LifeBasis

Life Basis Home Radon Detector, Portable Radon Tester for Home with Long and Short Term Radon Monitoring 0-500 pCi/L Range Battery Operated (Including Battery)

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#10
7.0  score
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Airthings

Airthings 4200 House Kit, Radon, Mold Risk & Indoor Air Quality Monitoring System, Multi-Room

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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.

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