Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity…
Airthings
Best for
Best overall
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$166.29
Updated May 20, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Airthings Corentium Home 2 lands as the most well-rounded pick for typical homeowners. r/radon discussions repeatedly describe it as 'a solid choice' and 'rock solid' over multi-month averages, and a self-identified professional radon specialist in one r/radon thread says they routinely recommend Airthings monitors to homeowners for ease of use and consistency against professional gear. Breathesafeair.com calls it compact and 'almost portable,' which matches the verified-purchase tone on Amazon and Target.
What reviewers liked
- Repeated r/radon endorsements as a reliable long-term monitor
- Mature Airthings app and ecosystem with humidity and temperature included
- Bluetooth setup and AAA-battery operation make placement flexible
- Verified-purchase reviews across Amazon and Target consistently describe straightforward setup
Where it falls short
- Specialist commenters in r/radon say Ecosense has a more sensitive sensor for catching spikes
- Bluetooth-only model means no remote alerts without stepping up to the View line
- Some r/radon users have reported defective units requiring replacement
- No CO2/VOC/PM sensors despite the smart-home framing, single-purpose device
Across the reviewers we read, the Airthings Corentium Home 2 lands as the most well-rounded pick for typical homeowners. r/radon discussions repeatedly describe it as 'a solid choice' and 'rock solid' over multi-month averages, and a self-identified professional radon specialist in one r/radon thread says they routinely recommend Airthings monitors to homeowners for ease of use and consistency against professional gear. Breathesafeair.com calls it compact and 'almost portable,' which matches the verified-purchase tone on Amazon and Target.
Where the consensus gets more nuanced: an r/radon thread directly comparing the Corentium Home 2 to the EcoQube Flex concludes 'can't go wrong with either one,' but the same commenter recommends Ecosense for buyers who specifically want a more sensitive detector. So the Corentium Home 2 wins on the breadth-of-use axis (simple app, Bluetooth, humidity/temperature, AAA batteries, mature ecosystem) rather than on peak sensitivity.
For a buyer who wants one device that just works, has the largest installed base of any radon brand, and produces dependable long-term averages without fiddling, the synthesis points here. Power users chasing real-time spike resolution should look at the Ecosense picks instead.
- The Original Radon Detector, Updated
- The same proven accuracy as the best-selling original Corentium Home, now with Bluetooth connectivity and bonus temp and humidity sensors.
- Long Term Monitoring
- Monitor for cancer-causing radon gas continuously to stay informed. No lab fees, no waiting—just always-available, reliable results.
- "See" Radon In Your Home
- The app's graphs show how radon rises and falls. Take actions to reduce levels. Keep monitoring to ensure they stay low.
- Personalized Tips
- Get tailored advice to confidently address your home's radon levels. Less doubt, more peace of mind.
- Trusted By Pros
- Get the power of Airthings' patented radon sensing technology used and recommended by thousands of radon professionals and home inspectors.
I have found these to be very accurate and reliable for homeowners. As a professional Radon Specialist, I recommend this monitor to homeowners all of the time.
Can't go wrong with either one. I personally recommend the EcoSense monitors over Airthings just because they have a more sensitive detector and ...
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“Monitor Your Radon with the Airthings Corentium Home ...” · YouTube
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