GoveeLife Smart Air Quality Monitor CO2 H5140 vs X-Sense XR0A-iR Wi-Fi Radon Detector

Updated September 2026

Data from Amazon and official Govee and X-Sense sites.

2026 verdict

For tracking CO2 in a closed room rather than radon underfoot, the GoveeLife Smart Air Quality Monitor CO2 H5140 wins this comparison against the X-Sense XR0A-iR Wi-Fi Radon Detector on price, connectivity, integrations and alerting.

Winner

GoveeLife Smart Air Quality Monitor CO2 H5140

$69.98$89.9922% OFF

Buy on Amazon USA

It reads CO2 with a photoacoustic NDIR sensor alongside temperature and humidity, connects over Wi-Fi and Bluetooth, and reaches Google Home, Alexa and Home Assistant with threshold alarms and automation links to compatible fans and humidifiers. The X-Sense XR0A-iR Wi-Fi Radon Detector answers with a higher owner rating and a longer warranty, plus the radon sensing the H5140 does not measure at all. Anyone watching CO2 buildup in a home office or bedroom should choose the GoveeLife Smart Air Quality Monitor CO2 H5140; anyone specifically concerned about radon should pick the X-Sense XR0A-iR Wi-Fi Radon Detector instead.

Winner

Govee

GoveeLife Smart Air Quality Monitor CO2 H5140

22% OFF

$69.98

$89.99

Buy on Amazon USA

X-Sense

X-Sense XR0A-iR Wi-Fi Radon Detector

$99.99

Buy on Amazon USA

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Feature	GoveeLife Smart Air Quality Monitor CO2 H5140	X-Sense XR0A-iR Wi-Fi Radon Detector	Winner
Price	$69.98	$99.99	GoveeLife Smart Air Quality Monitor CO2 H5140
Rating	4.4	4.6	X-Sense XR0A-iR Wi-Fi Radon Detector
Warranty	1 year	5 years	X-Sense XR0A-iR Wi-Fi Radon Detector
Connectivity	2.4 GHz WiFi, Bluetooth	2.4 GHz WiFi	GoveeLife Smart Air Quality Monitor CO2 H5140
Integrations	Google Home, Alexa, Home Assistant	None	GoveeLife Smart Air Quality Monitor CO2 H5140
Alerts	Temperature Alerts, Humidity Alerts, Air Quality Alerts	Air Quality Alerts, Low Battery Alerts	GoveeLife Smart Air Quality Monitor CO2 H5140
Weather Resistance	NO	NO	Tie
Screen	YES	YES	Tie
Sensors	CO2, Temperature, Humidity	Radon, Temperature, Humidity	Tie

Winner

Govee

GoveeLife Smart Air Quality Monitor CO2 H5140

22% OFF

$69.98

$89.99

Buy on Amazon USA

+ Price: $69.98
+ Connectivity: 2.4 GHz WiFi, Bluetooth
+ Integrations: Google Home, Alexa, Home Assistant
- Rating: 4.4 vs 4.6
- Warranty: 1 year vs 5 years

X-Sense

X-Sense XR0A-iR Wi-Fi Radon Detector

$99.99

Buy on Amazon USA

+ Rating: 4.6
+ Warranty: 5 years
- Price: $99.99 vs $69.98
- Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, Bluetooth

Frequently Asked Questions

Which is better overall: the GoveeLife Smart Air Quality Monitor CO2 H5140 or the X-Sense XR0A-iR Wi-Fi Radon Detector?

The GoveeLife Smart Air Quality Monitor CO2 H5140 wins on price, connectivity, integrations and alerting, with a photoacoustic NDIR CO2 sensor and threshold alarms. The X-Sense XR0A-iR Wi-Fi Radon Detector counters with a higher owner rating and a longer warranty.

What is the biggest difference between these two monitors?

The GoveeLife Smart Air Quality Monitor CO2 H5140 is built around CO2 tracking for ventilation, while the X-Sense XR0A-iR Wi-Fi Radon Detector is built around radon. Both also track temperature and humidity.

Does the H5140 measure radon?

No. It measures CO2, temperature and humidity only. For radon, the X-Sense XR0A-iR Wi-Fi Radon Detector is the one built for that job.

Does the X-Sense XR0A-iR Wi-Fi Radon Detector measure CO2?

No, it measures radon plus temperature and humidity. For CO2 tracking, the GoveeLife Smart Air Quality Monitor CO2 H5140 is the better fit.

Who should buy the GoveeLife Smart Air Quality Monitor CO2 H5140?

Buyers watching CO2 and ventilation in a home office or bedroom, who want automation links to a compatible fan or humidifier and broad platform support.

Who should buy the X-Sense XR0A-iR Wi-Fi Radon Detector?

Buyers specifically concerned about radon who want a higher-rated device with a longer warranty.

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