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VELUX Support - VELUX App Control and VELUX ACTIVE with NETATMO

Where can I see the sensor values / air quality level of my home?

The air quality level in your home is constantly displayed in the VELUX ACTIVE with NETATMO app. 
By entering the room page (product control), you can see the temperature, humidity and CO2 levels being measured by the indoor climate sensor in that room. 
By pressing one of the tiles you will enter the Indoor Air Quality (IAQ) dashboard visualising both past and present sensor measurements according to your comfort settings.

Note: This feature is only available with VELUX ACTIVE with NETATMO or VELUX App Control including an indoor climate sensor.

What is a good indoor temperature level?

According to WHO, a good indoor temperature level is between 17° to 26° Celsius (63 to 79° Fahrenheit). 
This can prevent condensation, mold, or dehydration of the people in the room.

What is a good indoor humidity level?

According to WHO, a good indoor humidity level (quantity of water vapor in the air) is between 40% to 60%.

What is a good indoor CO2 level?

According to WHO, a good indoor CO2 level is below 1150 ppm.

  • Published / Last updated
    15/04/2026
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