Certified radon testers & mitigatorsIllinois — testing — verified 29 Aug 2026

§ 4.1 — Hoffman Estates, IL

Certified radon testing in Hoffman Estates, IL

5 current listings from the official file. Verify the credential number before you hire.

Last verified August 29, 2026. Methodology IL IEMA.

Certified radon testingCertified radon mitigation

  1. Carlberg, Paulina

    Best Test Radon

    current IL IEMA № RNI2016210

    testing

    847-370-3916August 29, 2026cite ↗

  2. Carlberg, Rick

    Best Test Radon

    current IL IEMA № RNIT2013201

    testing

    847-370-3916August 29, 2026cite ↗

  3. Cho, Yeong Seog

    Platinum Radon Detectives

    current IL IEMA № RNIT2021223

    testing

    847-708-1368August 29, 2026cite ↗

  4. Ferlita, Joseph

    Platinum Radon Detectives

    current IL IEMA № RNI20252985

    testing

    847-708-1368August 29, 2026cite ↗

  5. Ferlita, Laura

    Platinum Radon Detectives

    current IL IEMA № RNI2015204

    testing

    847-708-1368August 29, 2026cite ↗
Fig. 4 — Hoffman Estates, IL, approximate. Pin is the city on the official file, not a street address.

Appendix A — Before you hire

  1. Who holds the credential, and can they show the same number that appears on this page?
  2. What test method or mitigation system will they use for this building?
  3. How will they document results or the finished system?

§ 4.3

Nearby places in Illinois

Illinois IEMA licenses radon measurement and mitigation professionals and technicians. The people below appear on the active licensee listing we imported. Read the methodology. Credential status can change.