Question 1

Which is better, Aranet4 Home CO2 Monitor or AirThings View Plus?

Accepted Answer

Both products scored 9/10 in our testing — it's a tie. Choose based on which features matter most to you.

Question 2

Is the Aranet4 Home CO2 Monitor worth it over the AirThings View Plus?

Accepted Answer

The Aranet4 Home CO2 Monitor scores 9/10 while the AirThings View Plus scores 9/10. The Aranet4 Home CO2 Monitor is our "Best Overall" pick in the Best Air Quality Monitors 2026 category.

Aranet4 Home CO2 Monitor vs AirThings View Plus: Which to Buy?