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Illinois Licensed & Nationally Certified

NRPP - Radon Testing Certified by National Radon Proficiency Program"
NRSB - Radon Testing Certified by National Radon Safety Board"
IEMA - Certified In Illinois As A Radon Testing Professional "
AARST - Member of The American Association of Radon Scientists and Technologists"
IL School Board - Member by Invitation of the Illinois Association of School Boards"
Midwest AARST - Member of Local Chapter of AARST"


Radon Detection Specialists are licensed professionals in the State of Illinois.

Our Services

If you build it, we can test it.™

At Radon Detection Specialists our primary objective is to ensure your health and safety in your home, at your school or daycare, and in your workplace.

Why Choose Us

At Radon Detection Specialists our primary objective is to ensure your health and safety.

Testing for Radon since 1986

Responsive Customer Service

Illinois Licensed & National Certifications

40,000 Tests Completed

Partnering with Inspectors

Largest Testing Firm in Illinois

What People Are Saying

I highly recommend this company to anyone needing radon testing services. They are very knowledgeable about radon and really explain things well. The staff is friendly and professional.

Saundra S.

These guys know what they’re doing! Becky is wonderful to work with. So knowledgeable and helpful. They make things so easy. They have state of the art test equipment. They’re prompt and professional. Updates all along the way. Great company.

David Caton

About Us

Radon Detection Specialists was founded in in 1986.

Our technicians have a combined experience of more than 90 years in performing radon tests.

We are the largest testing firm in Illinois and meet or exceed all state and nationwide radon testing standards.

We are Illinois' Leading Radon Testing Professionals

Love the Lungs You're With.™