Radon monitor with your first reading in just 10 minutes
Radonova Radon One gives you fast, reliable insight into indoor radon levels—without complexity. See your first result in 10 minutes, with highly accurate readings after 1 hour, displayed on a crisp, easy-to-read E-Ink screen.
Designed for everyday home use, Rn One runs cable-free for years and connects seamlessly to your smartphone app, where you can track history, spot trends, and receive alerts if radon levels rise.
- Health-based smart alerts
- Laboratory-grade accuracy
- Battery life up to 7 years
- Free app — no subscription
- In Stock for Immediate Delivery!
The color-coded indication bar gives you an instant visual understanding of your radon levels—no interpretation needed.
- Green indicates low radon levels
- Yellow signals elevated levels
- Red warns of unhealthy radon concentrations
You can customize the alert thresholds in the smartphone app to match your needs. By default, the levels are set in line with World Health Organization radon guidelines, providing science-based reassurance from day one
See your first result around 10 minutes after setup, with accuracy improving over time.
Accuracy stabilizes within 1 hour, while longer averaging periods continue to improve measurement precision.
Place the monitor on a flat surface in the lowest lived-in level of your home, such as a basement or ground-floor room.
For best results, keep it out of direct sunlight and away from areas with high humidity (above 85%).
The monitor is battery-powered and completely cable-free.
Bluetooth is optional and only used if you choose to connect it to the Aranet Home app.