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Air Quality Monitors · Head to head

Airthings 2989 View Radon vs Aranet4 HOME

Full Smart Air Quality Monitors comparison in 2026

Updated September 2026
Data from Amazon and official Airthings and Aranet sites.
2026 verdict
For most buyers the Aranet4 HOME is the stronger air quality monitor here, ahead on price, owner feedback, a rated 4 years of battery life and a sensor set covering CO2, temperature, humidity and pressure.
Aranet4 HOME
Winner
Aranet4 HOME
€199.00
Buy on Amazon GermanyCheck price
The Airthings 2989 View Radon is built for a different job, continuous radon tracking, and it wins on a 5-year warranty, Wi-Fi plus SmartLink connectivity and Alexa and Google Home support. Both carry E-Ink screens and work with Home Assistant. Go with the Aranet4 HOME for CO2 and ventilation, and with the Airthings 2989 View Radon when radon is what needs watching.
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FeatureAirthings 2989 View RadonAranet4 HOMEWinner
Price$219.99€199.00Aranet4 HOME
Rating4.24.7Aranet4 HOME
Warranty5 years2 yearsAirthings 2989 View Radon
Battery Life3 years4 yearsAranet4 HOME
Connectivity2.4 GHz WiFi, Bluetooth, OtherBluetoothAirthings 2989 View Radon
IntegrationsGoogle Home, Alexa, Home AssistantHome AssistantAirthings 2989 View Radon
SensorsRadon, Temperature, HumidityCO2, Temperature, Humidity, Atmospheric PressureAranet4 HOME
Weather ResistanceNONOTie
ScreenYESYESTie
AlertsTemperature Alerts, Humidity Alerts, Air Quality Alerts, Low Battery AlertsTemperature Alerts, Humidity Alerts, Air Quality AlertsTie

Frequently Asked Questions

Which is better overall: Airthings 2989 View Radon or Aranet4 HOME?

The Aranet4 HOME comes out ahead overall on price, owner feedback, battery life and sensors. The Airthings 2989 View Radon wins on warranty, connectivity and integrations.

What is the biggest difference between the Airthings 2989 View Radon and the Aranet4 HOME?

The gas they track. The Airthings 2989 View Radon measures radon, the Aranet4 HOME measures CO2. Both also read temperature and humidity, and the Aranet adds atmospheric pressure.

Which one can be checked remotely?

The Airthings 2989 View Radon has 2.4 GHz Wi-Fi, so it syncs to the cloud on its own. The Aranet4 HOME uses Bluetooth only.

Which has the better battery life?

The Aranet4 HOME is rated for up to 4 years on two AA cells. The Airthings 2989 View Radon is rated for about 3 years on six AA cells and can also run from USB-C.

Who should buy the Airthings 2989 View Radon?

Homeowners who need to watch radon from anywhere, with a 5-year warranty and Alexa or Google Home support.

Who should buy the Aranet4 HOME?

Anyone tracking CO2 in a bedroom, office or classroom who wants a compact, long-lasting, battery-powered unit.

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
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32 air quality monitors from 16 brands compared: Airthings, Aranet, AirGradient and more. CO2, PM2.5, VOC and radon sensors, battery life and apps.

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