While the Core 200S Smart True purifier looks to be an impressive unit, I can not say for certain whether it is beneficial or not. I had hoped that the associated app VeSync would give air quality information, but it is more of a remote control for the air purifier. Unless a user knows they have bad air quality or smells, I'm not sure how you can actually determine whether it is working to "clean" the air. Perhaps the filter getting dirty will be an indicator, but that still doesn't tell you what is impure.