Radon Testing CompaniesNew Hampshire — testing
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§ 4.1 — New Hampshire

Radon testing in New Hampshire

This page lists 19 people and firms with a current radon testing credential whose official record names New Hampshire. Each row shows the credential number, the issuing body, and its own verification date. The latest record check on this page was October 13, 2026; other records may have been checked earlier. Source: the official file linked on each listing. Verify the number before you hire.

Latest credential check October 13, 2026. Methodology Individual record dates may be earlier. NRPP. NRSB.

Radon testingRadon mitigation

Testing listings are people credentialed to measure radon. Mitigation listings are people credentialed to install a reduction system. Some people appear on both lists when the official file says they hold both. The list is ordered by the city or county on each record. That place is where the record is filed, not a promise about where the person works.

19 listings. Type to narrow the list.

  1. Scott D Loignon

    Win Home Inspection

    current NRPP № 110907

    testing, Barrington

    (603) 233-2321October 3, 2026cite ↗

  2. Kevin Hutchens

    Pineland Home Inspections, Llc

    current NRSB № RMS-23MS017

    testing, Brentwood

    September 30, 2026cite ↗

  3. Daniel Jette

    Sight Specific Indications, Llc

    current NRPP № 109276

    testing, Enfield

    (603) 306-9030October 3, 2026cite ↗

  4. Timothy Rooney

    Homeview Inc.

    current NRPP № 112085

    testing, Exeter

    (603) 770-0444October 3, 2026cite ↗

  5. Robert J. Coletta Iii

    Coletta Radon Systems & Water Treatment

    current NRPP № 106342

    testing, Goffstown

    (603) 401-3563October 13, 2026cite ↗

  6. Ryan B Farley

    Airflow Radon Pro Llc

    current NRPP № 114782

    testing, Hooksett

    (978) 758-2953October 13, 2026cite ↗

  7. Geoffrey Gerace

    Axiom Partners Inc

    current NRPP № 109898

    testing, Hudson

    (781) 213-9198October 3, 2026cite ↗

  8. Matthew A. Erickson, Jr.

    Erickson Foundation Solutions

    current NRPP № 108443

    testing, Hudson

    (603) 878-5552October 3, 2026cite ↗

  9. Richard Baker

    Baker Home Inspections

    current NRPP № 112127

    testing, Keene

    (603) 933-3686October 3, 2026cite ↗

  10. Allison Burleigh

    Seacoast Analytical Services

    current NRPP № 114613

    testing, Lee

    (603) 868-1457October 13, 2026cite ↗

  11. Katy A. Anderson

    Seacoast Analytical Services

    current NRSB № RMS-16SS011

    testing, Lee

    September 30, 2026cite ↗

  12. Elena Jacques

    Roux Associates Inc.

    current NRPP № 114872

    testing, Manchester

    (508) 373-6825October 13, 2026cite ↗

  13. Kevin Siggins

    Partner Engineering And Science, Inc.

    current NRPP № 112289

    testing, Manchester

    (504) 442-9986October 3, 2026cite ↗

  14. Denise L Houseman

    Trc Environmental

    current NRPP № 115224

    testing, Nashua

    (978) 660-2606October 13, 2026cite ↗

  15. Eino A. Anttila

    Black Dog Inspections, Llc

    current NRPP № 103104

    testing, Nashua

    (603) 566-8176October 13, 2026cite ↗

  16. Marcel Gamache

    Airtight Radon Solutions

    current NRPP № 114099

    testing, Nashua

    (508) 251-9455October 13, 2026cite ↗

  17. Todd Scheffer

    Srw Environmental Consulting, Llc

    current NRPP № 107362

    testing, Rochester

    (603) 330-3537October 13, 2026cite ↗

  18. Daniel Espinal

    New England Radon, Ltd.

    current NRPP № 101767

    testing, Salem

    (603) 893-4260October 13, 2026cite ↗

  19. Ryan E Luther

    Institute For Environmental Education

    current NRPP № 114788

    testing, Salem

    (978) 909-4239October 13, 2026cite ↗
Fig. 4 — 18 of 19 listings have a mappable place. Each pin is a current listing at the Census city or county centroid on the file, approximate. Pins that share a place are spread so you can click them. Not street addresses.

Appendix A

Questions before you hire

How do I verify a radon credential listed for New Hampshire?

Open the source link on this page and match the name and credential number to the official file. Status can change after a record’s verification date. The latest record check on this page was October 13, 2026; check each record’s date. If the official page disagrees with this directory, trust the official page. We do not invent credential numbers.

Does EPA certify radon contractors?

The U.S. EPA does not certify radon contractors. EPA publishes guidance on finding a qualified radon service provider and points to state programs and national certifications. This directory is not affiliated with EPA. We do not display EPA-certified badges.

What does last verified mean on this page?

Last verified on an individual record is the date we checked its official source. The latest credential check on this page was October 13, 2026; other records may have earlier dates. We refresh the roster monthly. Current means the person appeared as currently credentialed on the source at that record’s verification date. Credentials can expire between refreshes, so follow the source link.

Appendix A.2

Before you hire

  1. Ask who holds the credential printed on this page, and ask them to show the same number. Some firms employ several credentialed people. The listing is the person or firm on the official file, not whoever answers the phone.
  2. Ask what test method or mitigation system they will use for this building. A credential is not a work plan. Testing and mitigation are separate services here, and a person appears on both lists only when the official file says they hold both.
  3. Ask how they will document test results or the finished mitigation system. Keep that document with the credential number you verified. This directory does not score jobs, publish reviews, or collect quotes.

The full checklist: Certified radon tester: what they do and how to hire one

New Hampshire pages here use current NRPP or NRSB certifications. City pages use the city printed on that record, not a ZIP-radius search. A national certification is not a state license in New Hampshire. Some states require a separate state credential to work legally. Read the methodology. Credential status can change.