How Often Should You Retest for Radon?
Learn the recommended radon retesting schedule for homeowners, after mitigation, after renovations, and for real estate transactions.
Testing
Free or Low-Cost Radon Testing Programs Worth Knowing About
Find free and low-cost radon testing programs offered through state health departments, National Radon Action Month, and local utility partnerships.
Common Radon Testing Mistakes That Skew Your Results
Avoid the common radon testing mistakes that invalidate results: wrong detector placement, ignoring closed-house rules, and testing in unusual weather.
When to Choose Professional Radon Testing Over a DIY Kit
When professional radon testing is worth it versus a DIY kit, with cost guidance and the practical factors that should drive your decision.
DIY Radon Test Kits: What They Can and Can’t Tell You
Learn what a DIY radon test kit can actually reveal, where its accuracy limits lie, and when a result means you should call a professional.