Airthings 325 Corentium Home 2 vs Aranet Radon Plus

Aranet Radon Plus wins overall with its exceptional owner rating, roughly 7-year battery life and added pressure sensor. Airthings 325 Corentium Home 2 remains a strong alternative thanks to its lower price, 5-year warranty, hub option and support for Google Home, Alexa, Home Assistant and IFTTT.

Ecosystem versus endurance. The Airthings plugs into four smart home platforms and can reach the cloud through an Airthings Hub via SmartLink, while the Aranet integrates only with Home Assistant but runs about 7 years per battery set, more than double the Airthings, and earns the higher rating.

Yes. The Aranet Radon Plus uses an always-on e-ink display (readings selectable in Bq/m3 or pCi/L), while the Airthings 325 Corentium Home 2 uses an LCD with rolling averages and simple Good, Fair or Poor indicators. Both also track temperature and humidity, with the Aranet adding air pressure.

The Airthings 325 Corentium Home 2, with 5 years of coverage versus 2 years on the Aranet Radon Plus. The Aranet compensates with its higher owner rating and longer battery life.

Choose Airthings 325 Corentium Home 2 if you want a well-rated radon monitor at a lower price with a long 5-year warranty, or if you want radon data in Google Home, Alexa, Home Assistant or IFTTT, optionally around the clock through an Airthings Hub.

Choose Aranet Radon Plus if you want the best-reviewed radon readings of the pair, an e-ink display you can trust at a glance, and batteries you will not think about for years. It is ideal for set-and-forget monitoring, especially alongside Home Assistant.