SONOFF AirGuard CO2 Smart Indoor Air Quality Monitor, Matter Compatible, WiFi, Real-Time Display & Alarm
Pros
- Matter compatibility integrates with most smart home ecosystems
- Real-time alarm warns when CO2 levels get too high
- WiFi connectivity enables remote monitoring via app
Cons
- Best value comes when already using a Matter smart home setup
How it compares in Air Quality Monitors
We list 20 air quality monitors products, priced from £17.99 to £189.99. At £42.77 this one is the 5th cheapest of them — 15 cost more. The average across the subcategory is £87.70 and the midpoint is £68.99, so it lands £44.93 below the average.
Its 4.2-star score sits level with the air quality monitors average of 4.21, with 9 of the 20 rated higher. Its 138 Amazon reviews make it the 14th most-reviewed here, against a subcategory average of 474.
Price position in Air Quality Monitors
Splitting the subcategory into three price bands puts this product in the Budget band (£19.99–£55.08), which holds 7 of 19 products and averages £40.24 at 4.13 stars.
| Band | Range | Products | Average price | Average rating |
|---|---|---|---|---|
| BudgetThis one | £19.99–£55.08 | 7 | £40.24 | 4.13 |
| Mid-range | £55.90–£111.91 | 7 | £78.32 | 4.24 |
| Premium | £127.35–£199.99 | 5 | £156.45 | 4.38 |
About this product
Create a healthier indoor environment with the SONOFF AirGuard CO2 Smart Indoor Air Quality Monitor. This versatile device seamlessly integrates into your smart home setup, offering continuous monitoring of key environmental factors to ensure optimal comfort and well-being. Compatible with the Matter ecosystem – including Apple Home, Amazon Alexa, Google Home, SmartThings, and Home Assistant – it connects effortlessly to your existing smart home devices.
Designed for a range of applications, from bedrooms and nurseries to offices and workspaces, the AirGuard utilizes a highly accurate NDIR sensor to measure CO2 levels within a range of 400-5000ppm, delivering readings with ±(50ppm + 5%) accuracy. It displays real-time data for CO2, temperature, and humidity simultaneously on a clear screen, providing an immediate overview of your indoor air quality. The continuous power supply ensures updates every five seconds, offering dependable insights.
The AirGuard’s intelligent alert system provides comprehensive protection. Receive notifications via a sound alarm, a multi-colour LED indicator, and through the eWeLink app when CO2, temperature, or humidity exceeds your defined thresholds. Furthermore, it tracks environmental data for an entire year, allowing you to analyse trends and gain valuable insights into your home’s air quality. Data is accessible directly within the eWeLink app and can be exported for deeper analysis. Consider this device particularly beneficial if you are already invested in a Matter smart home ecosystem for maximum integration potential.
Related attributes
FAQ
What is this device primarily designed for?
The SONOFF AirGuard CO2 Smart Indoor Air Quality Monitor excels at monitoring air quality in smaller spaces, particularly suitable for bedrooms, offices, and nurseries where comfort and environmental health are key concerns.
Could you describe the physical size of the monitor?
This device has dimensions of 6 x 10 x 14 centimetres, making it a relatively compact unit that can be easily mounted on various surfaces within a room.
What materials is the AirGuard Monitor constructed from?
The monitor is built using durable plastic components – specifically stated as part of its design and construction by SONOFF.
How frequently does the CO2 reading update?
The device provides continuous readings, updating data every 5 seconds thanks to its internal sensor technology.
What smart home systems is it compatible with?
This AirGuard Monitor supports integration with a range of platforms including Apple Home, Amazon Alexa, Google Home, SmartThings, and Home Assistant as part of the Matter ecosystem.
Can I customize the alert settings for high CO2 levels?
Yes, you can tailor the alerts through the eWeLink app; you can set thresholds for CO2, temperature, or humidity triggering a sound alarm, LED indicator, and app notification.
What data tracking capabilities does it offer?
The monitor stores up to 12 months of historical air quality data, allowing users to visualize trends through graphical charts within the eWeLink app and export this information for further analysis.
How does this compare in price and features to similar CO2 monitors on the market?
At approximately £48.88, the SONOFF AirGuard offers a mid-range feature set including Matter compatibility and real-time data display – competing with other devices within its price bracket.
What’s involved in maintaining this device?
Maintenance involves periodic cleaning of the sensor area with a soft, dry cloth to ensure optimal performance and accuracy as indicated by SONOFF's design.
Are there any specific safety considerations or usage notes I should be aware of?
Always mount the device on a stable surface, ensuring adequate ventilation around it. Refer to the Amazon listing for detailed information regarding the manufacturer’s warranty and returns policy.
£42.77
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