Airthings 325 Corentium Home 2 vs SONOFF SAWF-08P Air Quality Monitor

If radon is the pollutant you care about, the Airthings 325 Corentium Home 2 wins by default, since the SONOFF SAWF-08P Air Quality Monitor cannot detect radon at all. Judged purely on price, smart home reach and alert coverage, the SONOFF SAWF-08P Air Quality Monitor comes out ahead, but only matters if a CO2 monitor is actually what you need.

No. The SONOFF SAWF-08P Air Quality Monitor measures CO2, temperature and humidity, with no radon sensor. The Airthings 325 Corentium Home 2 is a dedicated radon detector that also tracks temperature and humidity but has no CO2 sensor.

What they are built to detect. The Airthings 325 Corentium Home 2 exists to track radon over time, sampling hourly and building rolling averages so you can see trends rather than a single snapshot. The SONOFF SAWF-08P Air Quality Monitor exists to track CO2 continuously with a permanent LCD readout and native Matter connectivity.

The SONOFF SAWF-08P Air Quality Monitor. Its native Matter over Wi-Fi reaches Apple Home, Alexa, Google Home, Samsung SmartThings and Home Assistant with no hub. The Airthings 325 Corentium Home 2 works with Google Home, Alexa and Home Assistant, but has no Apple HomeKit, SmartThings or Matter support.

Choose the Airthings 325 Corentium Home 2 if you want a portable, battery-powered radon detector with a simple on-device display and rolling averages you can trust for tracking a basement, crawlspace or mitigation system over weeks and months.

Choose the SONOFF SAWF-08P Air Quality Monitor if radon is not your concern and you want an affordable, always-on CO2 monitor with broad temperature, humidity and air quality alerts that connects natively to a Matter smart home.