10 Best Radon Detectors 2020
Reviewed by Gareth Otwell
| Last Updated:
After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Corentium Home Radon Detector by Airthings 223 Portable is the one of the Best Radon Detector on the market.
| # | Image | Name | Brand | Price | |
|---|---|---|---|---|---|
| 1 |
⭐Best Choice
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Corentium Home Radon Detector by Airthings 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L Check price | Airthings | $$$$$ | Check price |
| 2 |
Best under $200
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Radon Eye RD200 Ecosense, Fastest & Most Reliable Detector, OLED Display - Easy Setup & Free App, Bluetooth, Real-Time Radon Reading Monitor Check price | Radon Eye | $$$$$ | Check price |
| 3 |
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Airthings Wave (2nd Gen) - Smart Radon Detector with free app - Easy-to-Use - Temp and Humidity - Accurate - No Lab Fees - Battery Operated Check price | Airthings | $$$$$ | Check price |
| 4 |
Best under $150
|
Safety Siren Pro Series3 Radon Gas Detector - HS71512 by Family Safety Products, Inc. Check price | SafetySiren | $$$$$ | Check price |
| 5 |
👑Premium Pick
|
Airthings Wave Plus Indoor Air Quality Monitor with Radon Detection, Free App & Web Dashboard, 6 sensors: Total VOCs, CO2, Humidity, Temperature, Pressure. Battery Operated, Bluetooth Connectivity Check price | Airthings | $$$$$ | Check price |
| 6 |
💲Best value for the money
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First Alert CO400 Carbon Monoxide Detector, Battery Operated, 3-Pack Check price | First Alert | $$$$$ | Check price |
| 7 |
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RADEX MR107 Advanced Radon Gas Detector for Homes Check price | RADEX by Quarta-Rad | $$$$$ | Check price |
| 8 |
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Air Quality Monitor VSON Indoor Air Pollution Monitor, Formaldehyde Detector, Temperature & Humidity Meter,Tester, Sensor, PM2.5 / PM1.0/ PM10 /HCHO/TVOC/AQI/Real-Time Air Quality Detector Check price | N/A | $$$$$ | Check price |
| 9 |
Best under $100
|
GQ GMC300EPlus Fulfill Digital Nuclear Radiation Detector Monitor Meter Check price | GQ | $$$$$ | Check price |
| 10 |
Best under $50
|
Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 Check price | Kidde | $$$$$ | Check price |
Corentium Home Radon Detector by Airthings 223 Portable – Best Overall Radon Detector
- FIRST OF ITS KIND: The first battery-operated, digital radon detector. Monitor your home without the need for an outlet.
- LONG TERM MONITORING: Monitor for cancer-causing radon gas. Long term monitoring is necessary as radon levels fluctuate daily.
- BE IN CONTROL: Take action if your radon levels are high. Know if your improvements have worked by checking the short term, on-screen readings.
- RADON REPORT: Generate a radon self-inspection report easily, whenever you need it.
- NO LAB FEES: Unlike a traditional radon gas test kit, receive your first indication of radon levels within 24 hours and no lab fees, ever!
- FAST RESULTS: On-screen results show both long and short term readings, for a quick overview of your radon levels.
Radon Eye RD200 Ecosense – Best under $200
- FAST RADON READING : World's fastest radon detector displaying the first reading in 10 minutes and reliable result within 1 hour for general consumer use
- ACCURATE RADON READING : The most reliable and accurate radon detector for homes, offices and buildings. Industry's first radon consumer device counting 30 times of radon level per hour(30 cph/pCi/L)
- REAL-TIME CONTINUOUS MONITORING : Update radon level every 10 minutes. Real-time radon monitoring is important as radon levels can fluctuate more than10X over time due to environmental reasons
- TECHNOLOGY PROVEN RADON DETECTOR : US patented Ion chamber-based performance validated by University of Michigan(Department of Nuclear Engineering and Radiological Science)
- STAY ALERT EASILY : Alarm when radon reading exceeds EPA recommended action level, 4pCi/L. Simply plug in and use whenever and wherever you need it.
Airthings Wave (2nd Gen)
- CONTINUOUS MONITORING: Radon gas fluctuates daily and is highly dependent on many factures such as weather, which makes continuous, long-term monitoring crucial to take control, make changes and minimize potential health effects.
- RELIABLE RADON RESULTS: An accurate and reliable radon detector for every home, office and building with extra humidity and temperature sensors as standard.
- QUICK AND CLEAR RESULTS: Connect via Bluetooth to the Airthings App or log in to the Airthings Dashboard online for detailed insights into your air.
- EASY TO UNDERSTAND: Simply wave in front of the device to receive a color-coded visual indicator of the overall air quality; Green (Low), Yellow (Warning), Red (Danger).
- NO LAB FEES: Get both long and short term radon results straight to your smartphone and easily generate a radon report through the Airthings Dashboard.
- FOR EVERY HOME: A battery-powered, smart radon detector which monitors radon gas all year round and integrates seamlessly with every home.
- SMART HOME INTEGRATION: Create custom alerts or integrate with other smart home products such as Alexa, Google Assistant and IFTTT (if this then that).
- CONNECTED: Airthings Wave 2nd Generation has Smartlink functionality, meaning it can connect to the Airthings Hub.
- Mentioned in Consumer Reports as " a smarter way to detect radon".
Safety Siren Pro Series3 Radon Gas Detector – Best under $150
- Meets US EPA performance criteria
- Has a numeric LED display screen
- Short-term and long-term readings
- Updates air samples every hour
- Conducts a self-test every 24 hours
Airthings Wave Plus Indoor Air Quality Monitor with Radon Detection – Premium Pick
- AWARD-WINNING: Wave Plus is an award-winning smart indoor air quality monitor with radon detection. (TIME magazine's Best Inventions 2019)
- RELIABLE RADON RESULTS: As radon levels fluctuate daily, long term measuring is necessary. Air things Wave Plus measures radon accurately and reliably.
- CLEAN AIR SENSORS: Radon, Carbon Dioxide (CO2), toxins and chemicals (Total VOCs), humidity, temperature and air pressure sensors allow you to gain full visibility into six key indoor air factors.
- TAKE CONTROL OF INDOOR AIR: Know what's in the air you breathe so you can take action, dramatically improve indoor air quality and keep your family safe.
- QUICK AND CLEAR RESULTS: Connect via Bluetooth to the Air things App or log in to the Air things Dashboard online for detailed insights into your air.
- EASY TO UNDERSTAND: Simply wave in front of the device to receive a color-coded visual indication of the overall air quality; Green (Low), Yellow (Warning), Red (Danger).
- SMART HOME INTEGRATION: Air things Wave Plus works seamlessly with Alexa, Google Assistant and IFTTT (if this then that).
- RADON REPORT: Generate a free radon report via the Air things Dashboard.
- RECENT ACCOLADES: IFA Innovation Award Winner - Smart Home 2018, CES Innovation Award - Honouree 2019
First Alert CO400 Carbon Monoxide Detector – Best Budget Radon Detector
- Keep your family safe with this 3-Pack of easy to use, battery operated carbon monoxide alarms; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
- Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
- A loud 85-decibel alarm sounds when CO levels reach dangerous levels
- To ensure complete protection make sure to place one on each level of your home and in each bedroom
- 5-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
- All First Alert CO alarms are rigorously tested to meet UL standards
RADEX MR107 Advanced Radon Gas Detector for Homes
- Detect Radon gas at home or workplace
- Accurate, Sensitive and highly Reliable
- Alarm settings
- Relative humidity and air temperature
- Windows software required for settings and data analysis (free download)
Air Quality Monitor VSON Indoor Air Pollution Monitor
- MULTIFUNCTIONAL& AIR QUALITY MONITOR: is available for 7 types of data, Total control of air quality，come HCHO/ TVOC/ TEMP/HUM/PM2.5/PM1.0/PM10/, to guarantee the health of your family in every aspect.
- EASY TO OPERATE: This air monitor is easy to operate with just pressing the power on/off button, design with LCD Color Screen Digital Display, it can offer mean value for each gas，It helps detect harmful HCHO and TVOC around your room in the real time.
- COLOR AND SOUND ALARM : You can rate detector real-time tests and analyze, Risk Levels with Time Display, When the Normal is exceeded, the detector alarm sounds and the interface color will change, thus avoiding the risk.
- PORTABLE &RECHARGEABLE BATTERY : It's easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, office, school, the Built in 1000mAh rechargeable battery and packaged with a USB cable, the standby time can last for 3-6h.
- APPLICATION RANGE: Home, Office, Car, Hotel, Kitchen, Bedroom, Camping and Parties etc. Its unit weight is 170.5g, this air quality monitor perfect for easy storage and taking anywhere,Test the Air Quality anytime and anywhere, healthier life for your family!
GQ GMC300EPlus Fulfill Digital Nuclear Radiation Detector Monitor Meter – Best under $100
- Newer GMC300EPlus Fulfill of gmc-300 series geiger counter for nuclear radiation
- Text, graphic and large font mode provide visualized radiation changes
- Usb connection for both communication and data communication
Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital – Best under $50
- Peak Level Button - Displays the peak CO level recorded by the alarm since it was last reset or unplugged
- Test Button Functions - Tests the unit for proper operation and resets the Carbon Monoxide alarm
- LED Operation - Blinking dot in lower right corner of display denotes normal operation
- Ten years after the initial power up, this alarm will "beep" two times every 30 seconds to indicate that it is time to replace the alarm.
- NOTE: This CO alarm is not battery operated. However, these alarms are equipped with 9 volt battery backup - the 9 volt battery is to supply short term back-up during a power outage.
- Power Source: 120VAC. Temperature Range-40˚F (4.4˚C) to 100˚F (37.8˚C). Humidity Range-5%-95% relative humidity (RH)
