We had the house tested during the inspection back in ‘16 and the levels were fine. Last month, we got a free radon test through the state of VA - results came back last week and it was in the 30s. I figured it was a faulty test so we purchased a radon/air quality/etc digital device - it’s still in the 3 day testing window but currently its showing a reading in the 40s, which is definitely concerning.
The manometer reading is 0.5 so just within an acceptable range on the system and the fan is running. But I’m guessing I need to either replace the fan, suction needs to be fixed, or there’s a crack that needs repairing that is letting gases in.
The home inspector we used is coming out next week to look at the system. I was going to head to Lowe’s this morning to get a fan to see about replacing it myself today but they don’t have any in stock of course