Our Verdict
The Airthings Wave Plus is the only affordable radon detector that also monitors CO2, VOC and humidity. Radon is an invisible, odourless gas responsible for 1,100 UK deaths per year — and most people have never tested for it. For homes in radon-risk areas (UK map available on GOV.UK), this is essential monitoring.
Pros & Cons
✓ Pros
- Radon detection is unique at this price point — radon is the second leading cause of lung cancer
- 6-in-1 sensing: radon, CO2, VOC, humidity, temperature and air pressure
- Wave motion activates display without touching — check readings on pass
- Airthings app provides long-term trend data and ventilation recommendations
- Battery powered — no electrical connection needed, flexible placement
✗ Cons
- Radon measurement takes 7 days for initial calibration period
- Monthly subscription unlocks historical data beyond 48 hours
- Expensive if you don't need radon detection — cheaper CO2-only monitors exist
Key Specifications
| Sensors | Radon, CO2, VOC, humidity, temp, pressure |
|---|---|
| Radon | ±10% accuracy |
| Display | Wave-activated |
| Battery | ~2 years (AA) |
| App | Airthings app |
| Subscription | Optional for historical data |
Performance
The Airthings Wave Plus is the only affordable radon detector that also monitors CO2, VOC and humidity. Radon is an invisible, odourless gas responsible for 1,100 UK deaths per year — and most people have never tested for it. For homes in radon-risk areas (UK map available on GOV.UK), this is essential monitoring. On paper the headline numbers are sensors of Radon, CO2, VOC, humidity, temp, pressure, radon of ±10% accuracy, display of Wave-activated, battery of ~2 years (AA), app of Airthings app, subscription of Optional for historical data. Its standout is that radon detection is unique at this price point — radon is the second leading cause of lung cancer
Build Quality & Design
Beyond that, owners and the spec sheet point to a few more genuine strengths. 6-in-1 sensing: radon, CO2, VOC, humidity, temperature and air pressure. Wave motion activates display without touching — check readings on pass. We can't bench-test durability, but the depth of positive long-term owner feedback is the best available proxy for how it holds up.
Value for Money
It isn't flawless. Radon measurement takes 7 days for initial calibration period. Monthly subscription unlocks historical data beyond 48 hours. Expensive if you don't need radon detection — cheaper CO2-only monitors exist. Whether those matter depends entirely on how you'll use it. At the premium price point, the trade-offs are easy to live with for the right buyer. It's the right call for The Airthings Wave Plus is the only affordable radon detector that also monitors CO2, VOC and humidity. Radon is an invisible, odourless gas responsible for 1,100 UK deaths per year — and most... Look elsewhere if you're among Those only wanting CO2 monitoring for ventilation — a dedicated CO2 monitor at half the price serves that specific need.
Final Verdict
The Airthings Wave Plus is the only affordable radon detector that also monitors CO2, VOC and humidity. Radon is an invisible, odourless gas responsible for 1,100 UK deaths per year — and most people have never tested for it. For homes in radon-risk areas (UK map available on GOV.UK), this is essential monitoring.
Check Price on Amazon ↗FAQ
Is the Airthings Wave Plus Air Quality Monitor worth the money?
The Airthings Wave Plus is the only affordable radon detector that also monitors CO2, VOC and humidity. Radon is an invisible, odourless gas responsible for 1,100 UK deaths per year — and most people have never tested for it. For homes in radon-risk areas (UK map available on GOV.UK), this is essential monitoring. The Airthings Wave Plus is the only affordable radon detector that also monitors CO2, VOC and humidity. Radon is an invisible, odourless gas responsible for 1,100 UK deaths per year —
Who should NOT buy the Airthings Wave Plus Air Quality Monitor?
Those only wanting CO2 monitoring for ventilation — a dedicated CO2 monitor at half the price serves that specific need.
Is the Airthings Wave Plus Air Quality Monitor available in the UK and US?
Yes — we list both Amazon UK and US links. Always verify voltage compatibility (UK 230V, US 120V).
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