Best 5 Digital Radon Monitors Comparison
Top Picks
Radon is a naturally occurring radioactive gas that can enter homes through foundations, cracks, floors, and other openings. Because it is colorless and odorless, the only reliable way to understand radon levels inside your home is through proper testing and monitoring.
Whether you’re looking for a simple standalone detector, a smart Wi-Fi monitor, or a complete indoor air quality device, choosing the right model can make a big difference. Some monitors focus exclusively on radon detection, while others also track factors such as carbon dioxide, humidity, temperature, VOCs, and particulate matter.
In this guide, we’ve selected five popular digital radon monitors based on their monitoring features, ease of use, connectivity, and overall value. The products below range from simple display-based monitors to advanced smart devices, giving homeowners multiple options for long-term radon monitoring.
Top Picks
| Product | Best for | Price | Score |
|---|---|---|---|
| Best Overall | Airthings View Plus | $94.01 | 9.9/10 |
| Best Value | Airthings Corentium Home | $137.99 | 9.8/10 |
| Best for Fast Readings | Ecosense RadonEye RD200 | $59.99 | 9.8/10 |
| Best Smart Radon Monitor | Ecosense EcoQube | $189.00 | 9.6/10 |
| Best Multi-Sensor Monitor | Airthings Wave Plus | $103.75 | 9.7/10 |
1. Airthings View Plus
AIRTHINGS Battery Operated Digital Radon Detector
Airthings View Plus is a smart indoor air quality monitor designed for homeowners who want to track radon alongside multiple other environmental factors. In addition to radon, the device is designed to monitor PM2.5, carbon dioxide, VOCs, humidity, temperature, and air pressure, giving you a broader picture of your indoor environment.
$94.01
The smart design allows you to monitor air quality data through the Airthings app, making it easier to review trends and changes over time. Its wireless connectivity is especially useful for homeowners who want to check their indoor environment without manually inspecting the device every day.
While it costs more than a basic radon-only monitor, the View Plus is an excellent option for users who want a complete home air quality solution rather than a device focused only on radon.
Helps You When…
| Situation | How It Helps |
|---|---|
| Long-Term Radon Monitoring | Tracks radon levels over time. |
| Indoor Air Quality Concerns | Monitors multiple environmental factors. |
| Smart Home Monitoring | Lets you review data through a connected app. |
| Homes With Multiple Rooms | Helps monitor important indoor living spaces. |
| Data Tracking | Makes it easier to review historical trends. |
Product Features
| Feature | Specification |
|---|---|
| Product Type | Smart Indoor Air Quality Monitor |
| Radon Monitoring | Yes |
| Additional Sensors | PM2.5, CO₂, VOCs, Humidity, Temperature & Air Pressure |
| Connectivity | Smart App Connectivity |
| Best For | Complete Indoor Air Quality Monitoring |
Why You’ll Love It
- Monitors radon and multiple air quality factors
- Smart connectivity for convenient data tracking
- Helps identify changes in your indoor environment
- Suitable for long-term home monitoring
- Excellent choice for smart homes
- Easy-to-read monitoring data
Current Price: $94.01
Rating: 4.3
2. Airthings Corentium Home
Airthings Corentium Home Radon Detector
Airthings Corentium Home is a simple and reliable digital radon monitor designed for homeowners who want continuous radon readings without complicated apps, subscriptions, or Wi-Fi setup.
$137.99
One of the biggest advantages of the Corentium Home is its simplicity. You can place the device in an appropriate monitoring location and check the readings directly from the display without needing a smartphone or internet connection.
This makes it a great choice for homeowners who want a dedicated radon monitor that is easy to operate and focused entirely on continuous radon measurement.
Helps You When…
| Situation | How It Helps |
|---|---|
| First-Time Monitoring | Provides an easy way to begin tracking radon. |
| Long-Term Testing | Displays radon averages over time. |
| No Wi-Fi Available | Works as a standalone monitor. |
| Simple Home Monitoring | Provides readings directly on the device. |
| Budget-Friendly Monitoring | Focuses on essential radon tracking features. |
Product Features
| Feature | Specification |
|---|---|
| Product Type | Digital Radon Monitor |
| Radon Monitoring | Continuous |
| Display | LCD Display |
| Connectivity | Standalone |
| Best For | Simple Long-Term Radon Monitoring |
Why You’ll Love It
- Simple and easy-to-use design
- No Wi-Fi or smartphone required
- Provides continuous radon monitoring
- Clear digital display
- Tracks readings over different time periods
- Portable and convenient
Current Price: $137.99
Rating: 4.6
3. Ecosense RadonEye RD200
HOUND-1011S Portable Radon Detector
Ecosense RadonEye RD200 is a dedicated digital radon monitor designed for homeowners who want frequent readings and app-based monitoring. It focuses specifically on radon detection, making it a strong choice for users who don’t need additional air quality sensors.
$59.99
The compact design and connected monitoring features make it easier to review radon data and observe changes over time. Compared with traditional passive radon test kits, a continuous monitor like the RadonEye allows homeowners to see how readings fluctuate.
The RadonEye RD200 is especially useful for homeowners who want a dedicated radon device with a stronger focus on regular data updates and digital monitoring.
Helps You When…
| Situation | How It Helps |
|---|---|
| Fast Radon Monitoring | Provides frequent radon data updates. |
| Post-Mitigation Monitoring | Helps track changes after radon reduction work. |
| App-Based Monitoring | Lets you review readings digitally. |
| Dedicated Radon Testing | Focuses specifically on radon detection. |
| Long-Term Tracking | Helps identify patterns and changes over time. |
Product Features
| Feature | Specification |
|---|---|
| Product Type | Digital Radon Monitor |
| Radon Monitoring | Continuous |
| Display | Digital Reading Display |
| Connectivity | Bluetooth/App |
| Best For | Fast & Dedicated Radon Monitoring |
Why You’ll Love It
- Dedicated radon monitoring
- Frequent measurement updates
- Digital connectivity for data tracking
- Compact and convenient design
- Helps monitor changing radon conditions
- Useful for long-term monitoring
Current Price: $59.99
Rating: 4.5
4. Ecosense EcoQube
Ecosense Continuous Home Radon Detector
Ecosense EcoQube is a smart digital radon monitor designed for homeowners who want to check radon data remotely. Its connected features make it easier to monitor your home’s radon levels through digital tools rather than relying only on a physical display.
$189.00
The EcoQube focuses on continuous radon monitoring while adding smart connectivity for users who want convenient access to their data. This makes it particularly useful for homeowners who travel frequently or prefer checking their indoor environment through a connected platform.
If you’re looking for a balance between dedicated radon monitoring and modern smart-home convenience, the EcoQube is a strong option.
Helps You When…
| Situation | How It Helps |
|---|---|
| Remote Monitoring | Lets you access radon information digitally. |
| Smart Homes | Adds connected monitoring capabilities. |
| Long-Term Tracking | Helps monitor radon trends over time. |
| Busy Homeowners | Makes checking readings more convenient. |
| Dedicated Radon Monitoring | Focuses primarily on radon detection. |
Product Features
| Feature | Specification |
|---|---|
| Product Type | Smart Digital Radon Monitor |
| Radon Monitoring | Continuous |
| Data Tracking | Yes |
| Connectivity | Wi-Fi/App Connectivity |
| Best For | Smart Home Radon Monitoring |
Why You’ll Love It
- Smart connected radon monitoring
- Convenient remote access to data
- Designed for continuous monitoring
- Helps track long-term radon trends
- Great for smart-home users
- Easy way to monitor changing conditions
Current Price: $189.00
Rating: 4.5
5. Airthings Wave Plus
Airthings 2950 Wave Radon
Airthings Wave Plus is a multi-sensor indoor air quality monitor that combines continuous radon monitoring with additional measurements, including carbon dioxide, VOCs, humidity, temperature, and air pressure. It is designed for homeowners who want more information about their indoor environment than a standard radon-only monitor can provide.
$103.75
The device connects with the Airthings app, allowing you to monitor and review your indoor air quality data. This makes it easier to identify trends and understand how different environmental factors may change over time.
The Wave Plus is a good choice for homeowners who want a balance between dedicated radon monitoring and broader indoor air quality information.
Helps You When…
| Situation | How It Helps |
|---|---|
| Radon Monitoring | Continuously tracks radon levels. |
| Poor Indoor Air Quality | Monitors multiple environmental factors. |
| High CO₂ Concerns | Tracks carbon dioxide levels. |
| Humidity Monitoring | Helps you understand indoor humidity changes. |
| Data Tracking | Allows you to review air quality trends. |
Product Features
| Feature | Specification |
|---|---|
| Product Type | Smart Indoor Air Quality Monitor |
| Radon Monitoring | Yes |
| Additional Sensors | CO₂, VOCs, Humidity, Temperature & Air Pressure |
| Connectivity | Bluetooth/App |
| Best For | Radon & Complete Indoor Air Monitoring |
Why You’ll Love It
- Tracks radon and multiple air quality factors
- Connected app for data monitoring
- Helps provide a broader view of indoor conditions
- Compact and modern design
- Suitable for long-term home monitoring
- Useful for bedrooms, basements, and living areas
Current Price: $103.75
Rating: 4.4
FAQ
A digital radon monitor is an electronic device designed to measure radon levels inside your home over time. Unlike single-use test kits, many digital monitors provide continuous readings and can help you observe short-term and long-term changes in radon levels.
Digital radon monitors and traditional test kits serve different purposes. A continuous monitor provides ongoing information and can help you identify trends, while a properly conducted long-term test may be useful for confirming average exposure levels and making important mitigation decisions.
A radon monitor is generally placed in the lowest level of the home that is regularly occupied. Follow the manufacturer’s placement instructions and avoid locations with unusual airflow, excessive moisture, direct sunlight, or areas immediately next to windows and exterior doors.
Radon levels can fluctuate, so long-term monitoring provides a better understanding of average conditions than a single short reading. Many digital monitors display data over multiple periods, allowing you to compare recent readings with longer-term averages.
If your readings are consistently elevated, consider confirming the result using an appropriate testing method and consult a qualified radon mitigation professional. In the United States, the EPA recommends taking action at or above 4.0 pCi/L, while lower levels may still warrant consideration depending on your situation.
Wrapping Up
Choosing the best digital radon monitor depends on the type of monitoring experience you want. If you prefer a simple and dedicated device without apps or Wi-Fi, the Airthings Corentium Home is an excellent choice for straightforward long-term radon monitoring.
For homeowners who want faster digital updates and a dedicated radon-focused device, the Ecosense RadonEye RD200 is a strong option. The Ecosense EcoQube is better suited for users who prefer smart connectivity and convenient remote access to their monitoring data.
If you want to monitor more than radon, the Airthings Wave Plus provides additional indoor air quality measurements, while the Airthings View Plus offers the most comprehensive feature set in this comparison by combining radon monitoring with multiple other air quality sensors.
