What to know before you buy a radon detector Radon detectors actively monitor your home’s radon levels. They require power, whether batteries or hardwiring to your home’s electrical system.

The Corentium Home radon detector kit by Airthings is one of the first continuous radon test kits to use batteries, allowing you to take it into any space that needs testing.

Local Trending News Last winter I was getting a long-term average of over 8. I contacted a home inspector who brought over a professional radon detector and the numbers were almost identical.

On Amazon, Radon testers are available for $8. As far as I’m aware, most radon problems are binary; either your area / house has a problem, or it doesn’t. If it does, you deal with it.

- Place a radon detector on a shelf or table at least 20 inches above the floor. - Do not place the detector on a fireplace mantel, in a kitchen, in a bathroom, laundry room, or on a window sill.