How do you mitigate a crawl space? Crawl space encapsulation is a crucial component for your mitigation system to work properly…

Do air purifiers help remove radon? No—but that doesn't mean you should skip the purifier. Learn why air purifiers don't help with radon and about the benefits they DO offer.

Should you buy a home with a radon system? The answer depends. Read more on what to look for when home buying and during radon inspection.

Testing for radon these days is much more simple and accurate than in the past.

Radon is a naturally occurring radioactive gas that is odorless, colorless, and tasteless. It is a byproduct of uranium decay, a common element found in soil and rock…

After a buyer’s offer is accepted, Radon testing occurs during the inspection period. The completed test will either read as “pass” or “fail.”

Passive systems are supposed to be a positive for everybody, including the homeowner, realtors and the installer.

Your radon test came back low. Does this mean you never have to worry about radon mitigation? The answer to that question may surprise you.

When you’ve drilled into as many slabs as I have, you learn that not every house has the same material under the concrete pad. Have you ever even considered what’s under your house?

I'm John Ottwein,  also known as The Radon Guy! I've been installing radon systems for over ten years. Way back in 2008 I started my first radon mitigation company in the St. Louis area, putting some of my real estate and construction background to better use. 2008 was probably the worst time to start a new business…