We use the Senseair S8 CO2 sensor which is very accurate and of high quality. Some of the TVOC sensors give an estimated CO2 level (eCO2) which is not recommend

We use the Senseair S8 CO2 sensor which is very accurate and of high quality. Some of the TVOC sensors give an estimated CO2 level (eCO2) which is not recommended because these values are not very accurate. To send me a message please go to https://www.airgradient.com/diy/ https://www.airgradient.com/diy/ and send me a message with the orange chat button. Thanks!