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Sonoff AirGuard CO2 Gas Meter CO2
Gas Meters

Sonoff AirGuard CO2 Gas Meter CO2

The SONOFF AirGuard CO is a smart air quality detector with a high-precision NDIR CO sensor, compatible with Matter over Wi-Fi. It measures CO levels, temperature, and humidity in real time, providing...

The SONOFF AirGuard CO is a smart air quality detector with a high-precision NDIR CO sensor, compatible with Matter over Wi-Fi. It measures CO levels, temperature, and humidity in real time, providing notifications and suggestions for improving air quality. It is ideal for homes, offices, and commercial spaces.

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Product report

Description

Description

The SONOFF AirGuard CO₂ is a smart air quality detector with a high-precision NDIR CO₂ sensor, compatible with Matter over Wi-Fi. It measures CO₂ levels, temperature, and humidity in real time, providing notifications and suggestions for improving air quality. It is ideal for homes, offices, and commercial spaces.

Features & Functions

  • NDIR Accuracy: ±(50 ppm + 5%), refresh every 5 seconds
  • Triple monitoring: CO₂, temperature, humidity
  • Alerts & tips: Sound/LED, push notifications, and personalized air improvement tips
  • 1-year history: Stores up to 365 days, with data export capability
  • Matter compatibility: Works with Apple Home, Google Home, Amazon Alexa, and SmartThings (Matter hub required)
  • Do Not Disturb: Programmable notification muting
  • Easy integration into smart automations: Activate fans, ventilation, or HVAC based on CO₂/temperature/humidity levels

Specifications

  • Sensor: NDIR CO₂ (±50 ppm + 5%), refresh every 5 sec.)
  • Measurements: CO₂, temperature, humidity
  • Microcontroller (MCU): ESP32-D0WDR2-V3
  • Power supply: USB-C 5 V DC
  • Wireless connection: Wi-Fi 2.4 GHz, Matter-compatible
  • Enclosure: PC + ABS
  • Dimensions / Weight: 70 × 103 × 26 mm; 101 g
  • Operating environment: Temperature: -10°C – 50°C; Humidity: 5–95% RH
  • Certifications: CE, FCC, RoHS
  • Smart Home Compatibility: Apple Home, Google Home, Amazon Alexa, SmartThings (Matter hub required)
  • History / Export: Storage up to 1 year, data export capability

Includes

AirGuard CO₂ unit, USB-C cable, user manual

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Type of Gas
CO2

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (3)

Reviews

4.7
3
4.7
Review this product
  1. 2
  2. 1
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Clotilde_Matt
    4
    Clotilde_Matt

    Verified purchase

    It's a good and real device. It's doing the job. Wonder if anytime i put the gas stove in, shows so high levels because maybe is broken. But i do not think so. Shows the temperature and humidity ok. Quite expensive though for the device. And is not possible to stop alarm unless you change the parameters. But further does the job. 4 stars x Sonoff AirGuard CO2 Gas Meter CO2

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    goranzis

    Verified purchase

  • 5
    alemara1971

    Verified purchase

  • Clotilde_Matt
    4
    Clotilde_Matt

    It's a good and real device. It's doing the job. Wonder if anytime i put the gas stove in, shows so high levels because maybe is broken. But i do not think so. Shows the temperature and humidity ok. Quite expensive though for the device. And is not possible to stop alarm unless you change the parameters. But further does the job. 4 stars x Sonoff AirGuard CO2 Gas Meter CO2

    Translated from Greek ·
    0
  • 5
    goranzis

    0
  • 5
    alemara1971

    0
  • See all

Description & Specifications

The SONOFF AirGuard CO₂ is a smart air quality detector with a high-precision NDIR CO₂ sensor, compatible with Matter over Wi-Fi. It measures CO₂ levels, temperature, and humidity in real time, providing notifications and suggestions for improving air quality. It is ideal for homes, offices, and commercial spaces.

Features & Functions

  • NDIR Accuracy: ±(50 ppm + 5%), refresh every 5 seconds
  • Triple monitoring: CO₂, temperature, humidity
  • Alerts & tips: Sound/LED, push notifications, and personalized air improvement tips
  • 1-year history: Stores up to 365 days, with data export capability
  • Matter compatibility: Works with Apple Home, Google Home, Amazon Alexa, and SmartThings (Matter hub required)
  • Do Not Disturb: Programmable notification muting
  • Easy integration into smart automations: Activate fans, ventilation, or HVAC based on CO₂/temperature/humidity levels

Specifications

  • Sensor: NDIR CO₂ (±50 ppm + 5%), refresh every 5 sec.)
  • Measurements: CO₂, temperature, humidity
  • Microcontroller (MCU): ESP32-D0WDR2-V3
  • Power supply: USB-C 5 V DC
  • Wireless connection: Wi-Fi 2.4 GHz, Matter-compatible
  • Enclosure: PC + ABS
  • Dimensions / Weight: 70 × 103 × 26 mm; 101 g
  • Operating environment: Temperature: -10°C – 50°C; Humidity: 5–95% RH
  • Certifications: CE, FCC, RoHS
  • Smart Home Compatibility: Apple Home, Google Home, Amazon Alexa, SmartThings (Matter hub required)
  • History / Export: Storage up to 1 year, data export capability

Includes

AirGuard CO₂ unit, USB-C cable, user manual

Manufacturer

Manufacturer Details

Warnings & Safety Information
Type of Gas
CO2

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (3)

4.7
3
4.7
Review this product
  1. 2
  2. 1
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Clotilde_Matt
    4
    Clotilde_Matt

    Verified purchase

    It's a good and real device. It's doing the job. Wonder if anytime i put the gas stove in, shows so high levels because maybe is broken. But i do not think so. Shows the temperature and humidity ok. Quite expensive though for the device. And is not possible to stop alarm unless you change the parameters. But further does the job. 4 stars x Sonoff AirGuard CO2 Gas Meter CO2

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    goranzis

    Verified purchase

  • 5
    alemara1971

    Verified purchase

  • Clotilde_Matt
    4
    Clotilde_Matt

    It's a good and real device. It's doing the job. Wonder if anytime i put the gas stove in, shows so high levels because maybe is broken. But i do not think so. Shows the temperature and humidity ok. Quite expensive though for the device. And is not possible to stop alarm unless you change the parameters. But further does the job. 4 stars x Sonoff AirGuard CO2 Gas Meter CO2

    Translated from Greek ·
    0
  • 5
    goranzis

    0
  • 5
    alemara1971

    0
  • See all
47,55 €
14,00 €   shipping cost