Indiana

Radon Professionals in Indiana

224 certified professionals 72 cities High Radon Risk (EPA Zone 1)

Find NRPP-certified radon testing and mitigation professionals across Indiana. Browse by city to see professionals in your area. Indiana requires radon disclosure during real estate transactions.

High Radon Risk State

Indiana is classified as EPA Zone 1, meaning the predicted average indoor radon screening level is above 4 pCi/L (the EPA action level). The EPA strongly recommends that all homes in Indiana be tested for radon. If elevated levels are found, a certified mitigation professional can install a system to reduce radon by up to 99%.

Radon Services in Indiana

Indiana has 224 NRPP-certified radon professionals in our directory across 72 cities. 56 are certified for radon mitigation system installation. 198 hold radon testing certifications.

All professionals listed are certified through the National Radon Proficiency Program (NRPP), which is administered by AARST. NRPP certification requires passing a national exam, maintaining continuing education, and following strict quality assurance protocols.