Airthings Wave Radon Monitor Review

Quick answer

The Airthings Wave Radon (model 2950, the "2nd generation" Wave) is a battery-powered continuous radon monitor that uses a passive diffusion chamber with alpha-spectrometry detection, and connects to a phone over Bluetooth. According to the manufacturer, its accuracy claim explicitly improves the longer you run it -- within 10% after 7 days, within 5% after 2 months. That's a more specific and more honest kind of accuracy claim than a flat percentage would be, and it's a reasonable choice for someone who wants ongoing radon trend data rather than a single lab result, as long as Bluetooth-only (no cloud/WiFi) connectivity fits how you want to check it.

What it does

Per Airthings' own technical specifications, the Wave Radon continuously samples air through a passive diffusion chamber and detects radon decay products using alpha spectrometry -- a specific, named radon-detection method, not a generic "sensor" description. It displays a green/yellow/red threshold indicator directly on the device (readable by waving a hand in front of it, which is where the "Wave" name comes from) and syncs detailed daily/weekly/monthly readings to a companion smartphone app over Bluetooth. It also measures temperature and humidity alongside radon.

Key specifications

According to Airthings' current manufacturer page for this model:

• Sensor technology: Passive diffusion chamber with alpha spectrometry
• Measurement range: 0-500 pCi/L (0-20,000 Bq/m3)
• Accuracy (manufacturer-stated): within 10% at 5 pCi/L after 7 days of measurement; within 5% at 5 pCi/L after 2 months
• Power: 2x AA alkaline batteries, manufacturer-rated for approximately 1.5 years
• Connectivity: Bluetooth only (not WiFi/cloud on this model); requires a smartphone or tablet running iOS 9.0+ or Android 5.0+
• Additional sensors: temperature, humidity
• Included in box: detector, 2x AA batteries, instruction manual, mounting screw

What we like

• A real, named sensing method. "Passive diffusion chamber" and "alpha spectrometry" are specific, checkable technical terms, not vague marketing language -- a meaningfully different level of detail than a generic "advanced sensor" claim.
• The accuracy claim is honestly time-dependent. Stating a wider error margin for a 7-day reading and a tighter one after 2 months is a more credible way to present accuracy than a single flat number would be -- it matches how radon measurement actually works (longer sampling reduces statistical noise).
• Continuous, on-device readings with no lab fee or mailing. Unlike the short-term test kit elsewhere on this site, there's no waiting on a lab -- the tradeoff is that you're trusting the device's own calibration instead of a lab analysis.

Limitations

• Bluetooth only, no cloud/WiFi on this model. You need to be within Bluetooth range with the app open to see live data or trigger a sync -- this isn't a device you can check remotely from another location without extra Airthings hardware.
• Battery-only power, rated around 1.5 years -- a genuinely long interval, but still a recurring task the plug-in alarms elsewhere on this site don't have.
• No certification claim found. See "Safety and certification" below.
• Accuracy takes time to reach its best-stated figure. The tighter 5% figure is only reached after 2 months of continuous operation -- a reader expecting lab-grade precision from day one should understand the 7-day figure is looser.

Who should choose it

• Someone who already has a baseline short-term test result (elevated, borderline, or just wants a trend) and wants ongoing radon data without repeat lab fees.
• Someone comfortable checking a phone app periodically rather than wanting push alerts to anywhere, anytime (see the Bluetooth-only limitation above).

Who should skip it

• Anyone who wants remote/cloud monitoring they can check away from home -- this specific model is Bluetooth-only, unlike some other Airthings products with WiFi/hub connectivity, which this review does not cover.
• Anyone who wants a single, simple pass/fail answer rather than an ongoing trend to interpret over time.

Safety and certification

Airthings' manufacturer page for this exact model states no UL, CE, or FCC certification claim of any kind -- we looked specifically and found none, not just an unstated one. The accuracy percentages given above are Airthings' own stated figures, not independently tested or confirmed by Silent Home Hazards against any reference radon source. That accuracy claim is real and specific, but it comes from Airthings alone -- this site found no independent test or certification body confirming it.

Sources

• Airthings' current manufacturer product page (airthings.com/en/wave-radon) -- supports: sensor technology, measurement range, accuracy claims, battery type/life, connectivity requirements, box contents.
• Independent retailer listings (checked to confirm model identity, not used as a specification source) -- cross-confirmed that "2950" / "Wave Radon" / model code "AR-2950-N" all refer to the same product as this ASIN, and that the sensor technology and range figures above are repeated consistently across sources independent of Airthings' own site.
• Amazon's product listing for this ASIN -- identity/availability context only; the affiliate link below is generated automatically, not hand-typed.

No customer review text, star rating, or Amazon-listing safety claim was used as a source for any statement in this review. Specifications above describe this specific model (Wave Radon / 2950) only -- figures were not carried over from Airthings' other product lines (Wave Plus, View Radon, Corentium), which have different sensors and connectivity.

About this review

Silent Home Hazards has not tested this device firsthand -- we have not run this monitor, compared its readings to a reference source, or verified its accuracy claim ourselves. Every specification and claim above is drawn from Airthings' own published materials, cited above, and is written as a sourced claim rather than a first-hand finding.