Air Quality Monitors · Head to head

Airthings 2989 View Radon vs GoveeLife Smart Air Quality Monitor CO2 H5140

Full Smart Air Quality Monitors comparison in 2026

Updated October 2026
Data from Amazon and official Airthings and Govee sites.
2026 verdict
Radon over Wi-Fi and carbon dioxide on a desk are different instruments, and the Airthings 2989 View Radon is the recommendation when soil gas is the worry.
Airthings 2989 View Radon
Winner
Airthings 2989 View Radon
$219.99

Last recorded price

Buy on Amazon USA
It measures radon, temperature and humidity on e-ink, stays on 2.4 GHz Wi-Fi, can run about 3 years on six AA batteries or on USB-C, and carries a 5 year warranty with humidity and low-battery alerts. The GoveeLife Smart Air Quality Monitor CO2 H5140 is the better reviewed of the two and the CO2 panel: a 4.82 inch LED, USB-C power, and Google Home, Alexa and Home Assistant. It does not measure radon. Choose the Airthings 2989 View Radon for the basement. Choose the GoveeLife Smart Air Quality Monitor CO2 H5140 for a closed office.
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FeatureAirthings 2989 View RadonGoveeLife Smart Air Quality Monitor CO2 H5140Winner
Price$219.99$67.99GoveeLife Smart Air Quality Monitor CO2 H5140
Rating4.24.4GoveeLife Smart Air Quality Monitor CO2 H5140
Warranty5 years1 yearAirthings 2989 View Radon
Connectivity2.4 GHz WiFi, Bluetooth, Other2.4 GHz WiFi, BluetoothAirthings 2989 View Radon
AlertsTemperature Alerts, Humidity Alerts, Air Quality Alerts, Low Battery AlertsTemperature Alerts, Humidity Alerts, Air Quality AlertsAirthings 2989 View Radon
Weather ResistanceNONOTie
ScreenYESYESTie
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Home AssistantTie
SensorsRadon, Temperature, HumidityCO2, Temperature, HumidityTie

What the differences mean

Radon versus carbon dioxide

The Airthings 2989 View Radon measures radon, temperature and humidity. The GoveeLife Smart Air Quality Monitor CO2 H5140 measures CO2, temperature and humidity. A search that treats the Govee as a radon detector is aimed at the wrong box. The View does not measure CO2, particles or VOCs. Shared readings are temperature and humidity only.

How the screen behaves

The Airthings 2989 View Radon uses e-ink, and its screen size is not published. The GoveeLife Smart Air Quality Monitor CO2 H5140 uses a 4.82 inch LED that owners read from across a room, with a day and night brightness schedule. One stays calm on a wall or shelf for radon. The other is a desk panel for CO2, temperature, humidity and a clock.

Battery versus the cord

The Airthings 2989 View Radon can run about 3 years on six AA batteries or stay on USB-C, and it alerts when the battery is low. The GoveeLife Smart Air Quality Monitor CO2 H5140 is USB-C only, with no battery. Both use 2.4 GHz Wi-Fi. Only the View can leave the outlet, and only the View can hub other Airthings meters over SmartLink.

Warranty

The Airthings 2989 View Radon carries a 5 year warranty. The GoveeLife Smart Air Quality Monitor CO2 H5140 carries 1 year. Both work with Google Home, Alexa and Home Assistant, and neither supports Apple HomeKit, SmartThings or Matter, so the platform list does not decide this pair. The warranty and the gas do.

Which one to buy if

Winner
Airthings

Airthings 2989 View Radon

Prime exclusive deal
$219.99

Last recorded price

Buy on Amazon USA
  • + Warranty: 5 years
  • + Connectivity: 2.4 GHz WiFi, Bluetooth, Other
  • + Alerts: Temperature Alerts, Humidity Alerts, Air Quality Alerts, Low Battery Alerts
  • - Price: $219.99 vs $67.99
  • - Rating: 4.2 vs 4.4

What owners say

Owners of the two meters discovered different problems. Airthings 2989 View Radon owners talk about radon that swings with weather and rooms, weekly email reports, and a mitigation fan they noticed had stopped. A minority describe a unit stuck near zero or two meters that disagreed, with support that felt scripted. GoveeLife Smart Air Quality Monitor CO2 H5140 owners talk about an afternoon slump that turned out to be CO2 past a high threshold in a shut office, a large LED they can read from across the room, and alarms by buzzer, push and email. Their complaints are 2.4 GHz pairing trouble, history that lives with the device, and the reminder that this is carbon dioxide, not a carbon monoxide alarm.

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Airthings 2989 View Radon
  • GoveeLife Smart Air Quality Monitor CO2 H5140

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Frequently Asked Questions

Is the GoveeLife Smart Air Quality Monitor CO2 H5140 a radon detector?

No. The GoveeLife Smart Air Quality Monitor CO2 H5140 measures carbon dioxide, temperature and humidity. It is not a radon detector and it is not a carbon monoxide alarm. Radon is the Airthings 2989 View Radon, which does not measure CO2.

Which is better overall: Airthings 2989 View Radon or GoveeLife Smart Air Quality Monitor CO2 H5140?

The Airthings 2989 View Radon wins the sheet on warranty, connectivity and alerts, and it is the radon meter with Wi-Fi and a battery option. The GoveeLife Smart Air Quality Monitor CO2 H5140 is the better reviewed CO2 display, with a 4.82 inch LED, and it does not see radon.

Does the Airthings 2989 View Radon measure carbon dioxide?

No. The Airthings 2989 View Radon measures radon, temperature and humidity. Carbon dioxide is the GoveeLife Smart Air Quality Monitor CO2 H5140, which does not measure radon. A house that needs both readings needs both devices.

What is the biggest difference between the Airthings 2989 View Radon and the GoveeLife Smart Air Quality Monitor CO2 H5140?

The gas, then the power. The Airthings 2989 View Radon is a Wi-Fi radon meter on e-ink that can run on six AA batteries. The GoveeLife Smart Air Quality Monitor CO2 H5140 is a USB-C CO2 panel with a 4.82 inch LED. Both speak Google Home, Alexa and Home Assistant.

Who should buy the Airthings 2989 View Radon?

Someone watching radon from anywhere, with e-ink, optional batteries, humidity and low-battery alerts, and a 5 year warranty. It can hub other Airthings devices. It will not explain an afternoon CO2 slump.

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

Someone in a closed office or bedroom who wants CO2 on a large LED, with alarms and Google Home, Alexa or Home Assistant. It is the wrong purchase if the search was for a Govee radon detector.

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