Learning Center
In-depth guides to help you understand radon gas, how testing works, what mitigation involves, and how to choose a qualified radon professional for your home.
What Is Radon and Why Is It Dangerous?
Learn what radon gas is, how it forms from uranium decay, why it accumulates in homes, and why the EPA considers it the second leading cause of lung cancer in the US.
Read guide →How Radon Testing Works
Understand the difference between short-term and long-term tests, passive vs active devices, DIY kits vs professional testing, and what to do after you get your results.
Read guide →Radon Mitigation: What To Expect
A complete guide to radon mitigation — sub-slab depressurization, what contractors do, typical costs, how long it takes, and why post-mitigation retesting matters.
Read guide →How To Choose a Certified Radon Tester
What NRPP and AARST certifications mean, questions to ask before hiring, red flags to watch for, and typical cost ranges for professional radon testing.
Read guide →Quick Answers
Looking for shorter answers? Check out our frequently asked questions for quick answers to common radon testing questions.