10 Best Radon Detectors 2020

Reviewed by Gareth Otwell | Last Updated: Nov 17, 2020

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	Corentium Home Radon Detector by Airthings 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L Check price	Airthings	$$$$$	Check price
2		Airthings 2950 Wave (2nd Gen) - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App Check price	Airthings	$$$$$	Check price
3		Radon Eye RD200 Ecosense, Fastest & Most Reliable Detector, OLED Display – Easy Setup & Free App, Bluetooth, Real-Time Radon Reading Monitor Check price	Radon Eye	$$$$$	Check price
4		Home Radon Detector, Elifecity Portable Radon Meter, Long and Short Term Home Radon Monitor, Battery-Powered, Easy-to-Use Check price	N/A	$$$$$	Check price
5		Airthings - 2930 Wave Plus - Radon & Air Quality Monitor (VOC, Humidity, Temp, CO2, Pressure) Check price	Airthings	$$$$$	Check price
6	💲Best value for the money	Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 Check price	Kidde	$$$$$	Check price
7	👑Premium Pick	Airthings 4200 House Kit, Radon, Mold Risk & Indoor Air Quality Monitoring System, Multi-Room Check price	Airthings	$$$$$	Check price
8		SafetySiren Pro4 Series (4th Gen) - Leader in Home Radon Detection Since 1993. Made in The USA - USA Version pCi/L Check price	SafetySiren	$$$$$	Check price
9		Tjernlund 9873739 Radon Inspector 3 Detector, Premium Gas Monitor, Instant Tester for Family Home Safety Check price	Tjernlund	$$$$$	Check price
10		lüft: Plug-in, Indoor Air Quality and Radon Monitor with Mobile App Check price	N/A	$$$$$	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.
What you get: Airthings Corentium Home, 3 AAA batteries, Quick Start Guide, Airthings 12-months & Customer Support access via email or live chat directly from the Airthings App or website

Airthings 2950 Wave (2nd Gen)

RADON DETECTOR: Radon is the number one cause of lung cancer among non-smokers and kills more than 6x the number of people than home fires and carbon monoxide poisoning combined.
CONTINUOUS MONITORING: Radon gas fluctuates daily and is highly dependent on many factors such as weather conditions. Long-term monitoring is crucial to take control, understand long-term exposure and minimize potential health effects.
EASY TO USE: Simply wave in front of the monitor to get a color-coded visual indication of the air quality (Green, Yellow, Red) or connect to the App to get detailed results
NO LAB FEES: Get both long and short term radon results straight to your smartphone via Bluetooth 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 as well as humidity and temperature.
CONNECTED: Airthings Wave 2nd Generation has Smartlink functionality, meaning it can connect to the Airthings Hub to bring your data online 24/7
RELIABLE RADON RESULTS: By using the same professional radon and Indoor Air Quality technology across devices, Airthings is able to provide simple, affordable and accurate radon detectors. As mentioned in Consumer Reports as "a smarter way to detect radon"
What you get: Wave 2nd Gen, 2 AA batteries, Quick Start Guide, Airthings 12-months warranty & Customer Support access via email or live chat

Radon Eye RD200 Ecosense

FASTEST RESULTS, NO LAB FEES: World’s fastest home radon detector provides the first reading in 10 minutes after plug & play setup, reliable result within 1 hour, and app connectivity for easy monitoring & general consumer use.
ACCURATE RADON REPORT: Most reliable, fast, & accurate radon tester for homes, offices, and buildings. Industry-first home radon test device counting 30 times of radon level per hour (30 cph/pCi/L) with true accuracy. Radon self-inspection report is available anytime you need it.
REAL-TIME CONTINUOUS & LONG-TERM MONITORING: Unlike other radon gas detectors, our radon reading results updated every 10 minutes. Our detector stores 1-year of data for long term analysis. Long term radon testing matters as radon levels can fluctuate >10X due to environmental reasons.
TECHNOLOGY PROVEN RADON DETECTOR: US patented ion chamber-based performance validated by the University of Michigan (Dept. of Nuclear Engineering and Radiological Science).
EASILY STAY ALERT: Alarm when radon readings exceed EPA recommended action level of 4pCi/L. Just plug in and use whenever and wherever needed.

Home Radon Detector

LONG TERM MONITORING: Radon is the first cause of LUNG CANCER after smoking. Do you want to know if your home have too much radon? Long term monitoring is necessary as radon levels fluctuate daily, to help you take more effective measures to prevent radon exceedance
BE IN CONTROL: On-screen results show both long and short term readings, take action if your radon levels are high. Know if your improvements have worked by checking the short term, on-screen readings
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! Save your costs
EASY TO USE: Battery-powered (Not included), low consumption. It can be easily detected from room to room without needing to be recharged, making it easy to detect radon gas in your home, office, school, basement, or anywhere else
WIDE APPLICATION: Radon gas detector is required in every family because there is no guarantee that radon levels in your environment will be lower than 2pCi/L. Especially in the family of infants, the elderly, pregnant women or sensitive people

Airthings

AWARD-WINNING: Wave Plus is an award-winning smart indoor air quality monitor with radon detection. (TIME magazine's Best Inventions 2019; CES Innovation Award - Honouree 2019)
RELIABLE RADON RESULTS: As radon levels fluctuate daily, continuous long-term measuring is necessary. Airthings 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
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: Simply wave in front of the device to receive a color-coded visual indication of the overall air quality: Green (Good), Yellow (Fair), Red (Poor)
SMART HOME INTEGRATION: Airthings Wave Plus works seamlessly with Alexa, Google Assistant and IFTTT (if this then that)
RADON REPORT: Generate a free radon report via the Airthings Dashboard
WHAT YOU GET: Wave Plus, 2 AA batteries, Quick Start Guide, Airthings 12-months warranty & Customer Support access via email or live chat

Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital – Best Budget Radon Detector

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)

Airthings 4200 House Kit – Premium Pick

IN THE BOX: Airthings Wave, Wave Mini and the Hub
RADON: The Airthings Wave is the first smart radon detector with long and short term values for continuous monitoring
AIR QUALITY: Humidity, Temperature & Total VOCs (toxins & chemicals) are powerful air quality sensors for multi room coverage of your indoor air
MOLD RISK: Mold growth at home affects the air we breathe triggering asthma, allergies, and illness. Stay ahead of mold growth, because once you see it, it's too late!
24/7 ACCESS: With the Airthings Hub, you can access to your air quality data at any time, from anywhere
SMART HOME: With the Hub, you get 24/7 access to your Airthings data. Use IFTTT to receive alerts and set up your ventilation, humidifier, air purifier, etc. to turn on/off even when you aren’t home
What you get: Airthings Hub + Wave 2nd Gen + Wave Mini, Ethernet cable, Mounting bracket, Power Supply Adaptor, Airthings 12-months warranty & Customer Support access via email or live chat via app

SafetySiren Pro4 Series (4th Gen)

LEADER IN HOME RADON GAS DETECTION SafetySiren Pro4 Series is our 4th Generation of electronic radon monitors. Engineered, Designed and Manufactured in the USA
CONTINUOUS MONITORING both short & long term radon levels on an easy to read digital display
AUDIBLE ALARM will alert you if radon levels are high. 3 Audible Alarm Modes to Choose from with a Visual Alarm for the Hearing Impaired
BACK-LIGHT MODE for easy viewing of the digital display
PEACE OF MIND SafetySiren Pro4 performs a fail-safe self-test once every 24 hours

Tjernlund 9873739 Radon Inspector 3 Detector

Charges up in 3 minutes and then instantly calculates short and long-term levels on its easy to read display.
Provides trusted, solid test results with industry leading +/- 0. 14 pCi/L accuracy and 4 months between charges.
Compact size (around a deck of cards) and discrete design means you can use it anywhere in your house.
Everything you need included: no lab fees, charcoal testers or other strings attached.
Backed by an 81-year-old family owned and operated radon mitigation product manufacturer.

lüft: Plug-in

SMART INDOOR AIR QUALITY (IAQ) SENSOR - Radon, Carbon Dioxide equ. (eCO2), Chemicals ( tVOC), Temperature, Humidity, and Pressure
SHORT AND LONG -TERM MONITORING - As levels fluctuate review short or long term trend charts and receive notifications when levels rise beyond customizable thresholds
PLUG-IN DEVICE - Simply plug into any wall receptacle, no wall mounting plates necessary, no screws, no batteries to change
Wi-Fi CLOUD CONNECTED - Access from anywhere, anytime via Mobile app, connect to any of your home Wi-Fi router
NIGHTLIGHT FUNCTION - Dual functions as IAQ monitor and programmable nightlight with the color of your choice