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10 Best radon gas detectors of 2026

Save up to 28% off
  • Best Choice

    1

    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
    Clicked 128 times in the last month
    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

    • Dimensions:3.03D x 2.8W x 2.8H
    • Power:Battery Powered
    • Sensor:Ionization
    • Battery Life:Up to 7-year
    • Alarm:Audible and visual
    9.6
    Exceptional
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  • Value for Money

    2

    Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors
    Airthings

    Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors

    9.5
    Excellent

  • 3

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

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

    13% Off
    9.4
    Excellent

  • 4

    AEGTEST HOUND-1011 Portable Radon Detector for Home, Lightweight, High-Accuracy Sensor, 45-Day Monitoring, Easy-to-Use Radon Tester, Short- & Long-Term in pCi/L or Bq/m³ for Basement – Gray
    AEGTEST

    AEGTEST HOUND-1011 Portable Radon Detector for Home, Lightweight, High-Accuracy Sensor, 45-Day Monitoring, Easy-to-Use Radon Tester, Short- & Long-Term in pCi/L or Bq/m³ for Basement – Gray

    12% Off Limited Time Deal
    9.3
    Excellent

  • 5

    X-Sense Radon Detector for Home, Easy to Use, Zero Lab Fees, No Installation Required, Continuous Monitoring with Clear LCD Screen, XR0A-SR
    X-Sense

    X-Sense Radon Detector for Home, Easy to Use, Zero Lab Fees, No Installation Required, Continuous Monitoring with Clear LCD Screen, XR0A-SR

    28% Off Limited Time Deal
    9.2
    Excellent
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  • 6

    First Alert Radon Gas Test Kit, RD1
    First Alert

    First Alert Radon Gas Test Kit, RD1

    • Dimensions:8.38 x 6.5 x 8.38 inches
    • Power:Gas Powered
    • Sensor:Radon Gas Test Kit
    • Battery Life:N/A
    • Alarm:N/A
    9.1
    Excellent
    Our Rating

  • 7

    First Alert Radon Gas Test Kit, RD1
    First Alert

    First Alert Radon Gas Test Kit, RD1

    • Dimensions:8.38 x 6.5 x 8.38 inches
    • Power:Gas Powered
    • Sensor:Radon Gas Test Kit
    • Battery Life:N/A
    • Alarm:N/A
    9.0
    Excellent
    Our Rating

  • 8

    LifeBasis Radon Detector with TFT Color Display First Data Display in 6 Hours, Portable Radon Monitor for Home Rechargeable Radon Tester Long Data Storage with Visual and Audible Alarm pCi/L or Bq/m³
    LifeBasis

    LifeBasis Radon Detector with TFT Color Display First Data Display in 6 Hours, Portable Radon Monitor for Home Rechargeable Radon Tester Long Data Storage with Visual and Audible Alarm pCi/L or Bq/m³

    8.9
    Very Good

  • 9

    AEGTEST HOUND-1011S Portable Radon Detector, High-Accuracy Sensor for Home, Lightweight, Audible & Visual Alarms, Long-Term Monitoring, Easy-to-Use Radon Tester in pCi/L or Bq/m³ for Basement
    AEGTEST

    AEGTEST HOUND-1011S Portable Radon Detector, High-Accuracy Sensor for Home, Lightweight, Audible & Visual Alarms, Long-Term Monitoring, Easy-to-Use Radon Tester in pCi/L or Bq/m³ for Basement

    8.8
    Very Good

  • 10

    Digital Radon Detector - HD LCD Desktop Monitor with 10-Year Sensor, 2-3 Year Battery (6H Charge), Real-Time pCi/L Readings for Home & Office Safety
    WGRLIT

    Digital Radon Detector - HD LCD Desktop Monitor with 10-Year Sensor, 2-3 Year Battery (6H Charge), Real-Time pCi/L Readings for Home & Office Safety

    8.7
    Very Good