Updated September 2026
Data from Amazon and official Airthings site.
2026 verdict
Radon on a budget or radon over Wi-Fi? The Airthings 325 Corentium Home 2 wins this radon monitor comparison on price and owner feedback, while matching the Airthings 2989 View Radon on its core sensors (radon, temperature and humidity), its 5-year warranty and its Google Home, Alexa and Home Assistant support. The Airthings 2989 View Radon takes connectivity, adding 2.4 GHz Wi-Fi to Bluetooth and SmartLink so readings reach the app without a phone nearby, and it can also run from USB-C. Choose the Airthings 325 Corentium Home 2 for a simple, affordable radon check, and the Airthings 2989 View Radon if you want remote readings without an Airthings hub.
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| Feature | Airthings 2989 View Radon | Airthings 325 Corentium Home 2 | Winner |
|---|---|---|---|
| Price | $219.99 | $179.99 | Airthings 325 Corentium Home 2 |
| Rating | 4.2 | 4.5 | Airthings 325 Corentium Home 2 |
| Connectivity | 2.4 GHz WiFi, Bluetooth, Other | Bluetooth, Other | Airthings 2989 View Radon |
| Warranty | 5 years | 5 years | Tie |
| Weather Resistance | NO | NO | Tie |
| Battery Life | 3 years | 3 years | Tie |
| Screen | YES | YES | Tie |
| Integrations | Google Home, Alexa, Home Assistant | Google Home, Alexa, Home Assistant | Tie |
| Sensors | Radon, Temperature, Humidity | Radon, Temperature, Humidity | Tie |
| Alerts | Temperature Alerts, Humidity Alerts, Air Quality Alerts, Low Battery Alerts | Air Quality Alerts | Tie |
$219.99
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Other
- - Price: $219.99 vs $179.99
- - Rating: 4.2 vs 4.5
Winner
$179.99
- + Price: $179.99
- + Rating: 4.5
- - Connectivity: Bluetooth, Other vs 2.4 GHz WiFi, Bluetooth, Other
Frequently Asked Questions
Which is better overall: Airthings 2989 View Radon or Airthings 325 Corentium Home 2?
The Airthings 325 Corentium Home 2 wins overall on price and owner feedback. The Airthings 2989 View Radon wins on connectivity, thanks to built-in Wi-Fi.
What is the biggest difference between the Airthings 2989 View Radon and the Airthings 325 Corentium Home 2?
Wi-Fi. The Airthings 2989 View Radon connects over 2.4 GHz Wi-Fi as well as Bluetooth, while the Airthings 325 Corentium Home 2 uses Bluetooth and SmartLink, which relies on an Airthings Hub for data around the clock.
Do they measure the same things?
Yes. Both track radon, temperature and humidity, and both keep history records.
How are they powered?
The Airthings 2989 View Radon takes 6 AA cells rated for about 3 years or USB-C power. The Airthings 325 Corentium Home 2 takes 2 AA cells, also rated for about 3 years.
Who should buy the Airthings 325 Corentium Home 2?
Buyers who want an affordable, well-reviewed continuous radon monitor with an on-device LCD.
Who should buy the Airthings 2989 View Radon?
Anyone who wants radon readings in the cloud from anywhere through Wi-Fi, or the option to run it from USB-C.
Full comparison table
Compare all 32 Air Quality Monitors side by side
You are looking at two of them. The full table lines up all Air Quality Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 32 Air Quality Monitors
- 54 specs compared
- 50 filters
AranetRadon Plus
$209.00
AranetAranet4 HOME
€199.00
AranetRadon One
$179.00
AranetRadiation
$139.00
EcobeeSmart Thermostat Premium
27% OFF$204.97$149.63
Airthings325 Corentium Home 2
$179.99
Airthings2950 Wave Radon
$109.15
GoveeSmart Air Quality Monitor CO2 H5140
$89.99
X-SenseXR0A-iR Wi-Fi Radon Detector
$99.99
GoveeSmart Air Quality Monitor
13% OFF$45.99$39.98
SonoffSAWF-08P Air Quality Monitor
$49.90
Third RealitySmart Air Quality Sensor
$49.99
AmazonSmart Air Quality Monitor
33% OFF$69.99$46.99
AirthingsWave Plus
8% OFF$249.99$230.66- Airthings
2989 View Radon
$219.99 
AirthingsWave Enhance
16% OFF$159.99$134.43
AirthingsView Plus
$329.99
AirthingsWave Mini
$89.99
IQAirAirVisual Pro
$329.99
EveRoom
$109.95
- Air Quality MonitorsAirthings
2950 Wave Radon
4.4(2,502)$109.15 - Air Quality MonitorsAirthings
2989 View Radon
4.2(776)$219.99 - Air Quality MonitorsAirthings
325 Corentium Home 2
4.5(421)$179.99 - Air Quality MonitorsAirthings
View Plus
4.0(1,959)$329.99 
Air Quality MonitorsAirthingsView Pollution
3.2(26)€149.00- Air Quality MonitorsAirthings
Wave Enhance
4.2(43)16% OFF$159.99$134.43 - Air Quality MonitorsAirthings
Wave Mini
4.0(1,123)$89.99 - Air Quality MonitorsAirthings
Wave Plus
4.2(3,229)8% OFF$249.99$230.66