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

4.94 (18 Reviews) Write a review

CAD $79.99CAD $110.99

1000 in stock
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About this item

  • 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.
  • FAST RESULTS: On-screen results show both long and short term readings, for a quick overview of your radon levels.

Reviews

  1. Airthings Corentium Home Radon Detector 223 Portable. Lightweight. Easy-to-Use. (3) AAA Battery Operated. USA Version. pCi/L photo review
    JKLLOVE2005
    November 17, 2025
    Airthings Corentium Home 2 Review
    Radon isn't something most of us think about until we learn it's a problem. As the second leading cause of lung cancer after smoking, this invisible, ...More
    Radon isn't something most of us think about until we learn it's a problem. As the second leading cause of lung cancer after smoking, this invisible, odorless gas deserves our attention. The Airthings Corentium Home 2 makes monitoring it remarkably simple, and after using it for several weeks, and I have to assume it is accurate. I don’t have a second device to compare it to.
    The Bluetooth connectivity is nice as well as the bonus temperature and humidity sensors.
    The device uses alpha spectrometry for radon detection, with hourly sampling that provides rolling averages for 24 hours, 7 days, 30 days, and long-term measurements up to a year. What I appreciate most is how the display uses simple "Good," "Fair," or "Poor" indicators – no PhD required to understand your home's air quality.
    Continuous Monitoring Makes the Difference
    Unlike one-time radon test kits that you send to a lab, the Corentium Home 2 monitors continuously. This matters because radon levels can fluctuate based on weather, seasons, and how your home is ventilated. Having always-on monitoring means you can identify trends, test whether mitigation efforts are working, and catch problems before they become serious.
    The battery operation (two AA batteries) means you can place it anywhere without worrying about outlets, and the accuracy steadily improves as it collects more data over time.
    The Bottom Line
    At around $180, the Airthings Corentium Home 2 isn't the cheapest radon detector out there, but it strikes an excellent balance between professional-grade accuracy and consumer-friendly usability. The device uses Airthings' patented radon sensing technology that's trusted and recommended by thousands of radon professionals and home inspectors.
    For anyone serious about their home's air quality – especially if you have a basement, live in a radon-prone area, or simply want peace of mind – this is an investment worth making. You can't see or smell radon, but with the Corentium Home 2, you can finally know if it's putting your family at risk. That knowledge, and the ability to act on it, is genuinely invaluable.
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Description

Corentium Home, Every home needs a radon detector
21000 people die from radon every year
High radon levels are a dangerous problem but can be easily detected
Radon levels fluctuate daily
The EPA advises testing for radon when buying or selling a home

 

Specifications

  • Power SourceBattery Powered
  • Sensor Typeradon detector
  • Operating Humidity95 percent
  • Upper Temperature Rating104 Degrees Fahrenheit
  • Product StyleOriginal
  • Colorblack
  • Item Dimensions D x W x H1"D x 2.7"W x 4.7"H
  • Item Weight0.22 Pounds
  • Enclosure MaterialABS
  • BrandAirthings
  • Model Number223
  • Global Trade Identification Number07090031102234
  • ManufacturerAirthings
  • UPC854232008019
  • Item Type NameCorentium Home Radon Detector
  • Built-In MediaRadon sensor, 3 AAA batteries
  • Unit Count1.0 Count
  • Manufacturer Warranty DescriptionAirthings has a 5-year extended warranty available on all air quality monitors for consumers. Registration is required within 30 days of the purchase on the Airthings website. Registration is free and your statutory rights are not affected.
  • ASINB00H2VOSP8

Additional information

style

Next Gen, Original

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