10 Best Radon Detectors 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

Corentium Home Radon Detector by Airthings 223 Portable – ⭐ Best Overall Radon Detector

223 by Airthings

  • Weight: 0.22 pounds
  • Dimensions: 4.7 x 2.7 x 1 inches
  • Warranty: Please contact Airthings directly or check the Airthings website for warranty information for this product.
Corentium Home Radon Detector by Airthings 223 Portable
  • 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

Radon Eye RD200 Ecosense

RD200 by Radon Eye

  • Release date: 03/12/2017
  • Color: White
  • Weight: 0.53 pounds
  • Dimensions: 3.1 x 3.1 x 4.7 inches
  • Warranty: Manufacturer.
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.

Airthings 2950 Wave (2nd Gen)

2950 by Airthings

  • Weight: 0.46 pounds
  • Dimensions: 4.7 x 4.7 x 1.4 inches
  • Warranty: Please contact Airthings directly or check the Airthings website for warranty information for this product.
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
  • WHAT YOU GET: Wave 2nd Gen, 2 AA batteries, Quick Start Guide, Airthings 12-months warranty & Customer Support access via email or live chat directly from the Airthings App or website

First Alert Radon Gas Test Kit – 💲 Best Budget Radon Detector

RD1 by First Alert

  • Color: N/A
  • Weight: 0.2 pounds
  • Dimensions: 8.4 x 6.5 x 8.4 inches
  • Warranty: As Labeled
First Alert Radon Gas Test Kit
  • The simple and safe way to test for radon
  • Listed under the EPA radon gas measurement proficiency program
  • Includes test materials and lab fees, excluding NJ state fees
  • Results are emailed within 72 hours of lab receipt
  • Recommended for use only within the United States
  • First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

SafetySiren Pro4 Series (4th Gen)

P4SU1 by SafetySiren

  • Color: Cream
  • Weight: 100 pounds
  • Dimensions: 4.5 x 3.5 x 1.5 inches
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

Home Radon Detector

Elifecity by Elifecity

  • Color: White
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 – 👑 Premium Pick

2910 by Airthings

  • Release date: 11/01/2018
  • Color: White
  • Weight: 0.49 pounds
  • Dimensions: 4.8 x 4.8 x 1.5 inches
  • Warranty: Please contact Airthings directly or check the Airthings website for warranty information for this product.
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

Home Radon Detector

by Funny Kitchen

Home Radon Detector
  • LONG TERM MONITORING: Radon is the first cause of LUNG CANCER after smoking. You can't see, smell or taste radon, but you could still exposed to harmful levels in your home. 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: Your home could be susceptible to a radon problem, whether it's new or old, with or without a basement. Unlike a traditional radon test kit, receive your first indication of radon levels within 24 hours and no lab fees, ever! Save your costs
  • EASY TO USE: Rechargeable battery powered, low consumption. A full charge will last a long time use. Radon tester is the only way to find out of you're in the risk. It can be easily detected from room to room, 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 home will be lower than 2pCi/L. Especially in your family of infants, the elderly, pregnant women or sensitive people

Radon Test Kit for Home

by Health Metric

  • Dimensions: 0.7 x 5.7 x 6.6 inches
Radon Test Kit for Home
  • ✅ SECURE YOUR SAFETY FOR PEACE OF MIND - Radon is responsible for around 21,000 lung cancer deaths every year. Testing is the only way to really know if you and your family are at risk. Don't wait until it's too late. Take action now.
  • ✅ EASY TO USE 48-HOUR TEST - It takes just a few minutes to set up and includes everything you need to check your home or office for radon. Just follow the simple instructions, send it in, and you'll get your radon report in a few days.
  • ✅ FREE LAB TESTING, SHIPPING INCLUDED - We'll cover the testing fee and return shipping so you don’t have to pay a penny extra for that. You’ll usually get your lab results back within 3-5 working days after we receive your radon sample.
  • ✅ MADE IN THE USA FOR MAXIMUM ACCURACY - With millions of detectors analyzed, this test is one of the most proven radon measurement devices available. Your radon sample will be analyzed by the NRPP-certified US lab with experience testing for radon since 1983.
  • ✅ ALL YOUR QUESTIONS ANSWERED - You can always count on our team of qualified experts, with more than 30 years of expertise in the radon-testing industry. Should you have any questions, feel free to get in touch. We’re here to help!

Home Radon Detector

HRDM-01 by Elifecity

  • Color: White
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

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