Radon Detector Umbra

A Homeowner's Guide to Choosing the Right Radon Detector for St. Louis Homes

When I bought my first house in St. Louis County, radon testing was just a line item on the home inspection checklist. I didn't think much about it until the inspector pulled out a small plastic canister and told me to send it to a lab after a few days. That was my first encounter with a radon detector, and honestly, I didn't trust the process. The charcoal canister sat on my basement floor for three days, and then I mailed it off and waited. The result came back at 4.7 pico