I came across this radon installation while doing a mold assessment. I asked the homeowner if they ever had the home tested after it was installed. I mentioned that I would be surprised of the radon level was not elevated by this system. That got a: “Funny you should ask” response. She went on: “Yes, it did go up, but the installer did not understand why”
Let me count the ways that this installation is wrong:
By the way, PA is a radon license state. Surprise: the installer did not have a license (or any common sense)