Certified Professional
Certified RMS
Radon Pros in New Hampshire
24 contractorsEPA zone context: New Hampshire includes many Zone 1 counties and has elevated average radon potential relative to national levels.
Advanced Radon Mitigation & Water Treatment
Licensed Provider: Corey J. Buchan
Full Service•Hooksett, NH
4.9 (300 Google reviews)
Certified RMS
Certified Professional
Certified RMS
Advanced Radon Mitigation & Water Treatment
Licensed Provider: Corey J. Buchan
Full Service•Hooksett, NH
4.9 (300 Google reviews)
Certified RMS
Certified Professional
Certified RRS
5.0 (6 Google reviews)
Certified RMP, RMS
4.8 (667 Google reviews)
Certified RMP, RMS
5.0 (4 Google reviews)
Certified RMP, RMS
Certified Professional
Certified RMS
Certified Professional
Certified RMSFree Estimates
Coletta Radon Systems & Water Treatment
Licensed Provider: Robert J. Coletta III
Testing Specialist•Goffstown, NH
Certified Professional
Certified RMP, RMS
NV
Northern Vista Home Inspection & Radon Mitigation, LLC
Licensed Provider: Michael Talotta
Testing Specialist•Littleton, NH
5.0 (92 Google reviews)
Certified RMP, RMS
3.2 (29 Google reviews)
Certified RMP, RMS
5.0 (9 Google reviews)
Certified RMP, RMS
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Popular Cities for Radon Mitigation in New Hampshire
Other areas with radon contractors
Metro Areas in New Hampshire
What to Do Next
Three steps to address radon in your New Hampshire home.
Frequently Asked Questions: Radon in New Hampshire
Testimonials
Recent homeowner results in New Hampshire
Examples of homeowners who tested, mitigated, and confirmed lower radon levels in New Hampshire.
“Radon levels were 8.2 pCi/L before the install and 0.6 on the follow-up test. The quote matched the scope and the crew finished in one day.”
Outcome
Reduced from 8.2 pCi/L to 0.6 pCi/L
Rachel M.
Hooksett, NH
“We compared two certified companies here and picked the one that explained the crawlspace plan clearly. Our monitor stayed below 1.5 the week after the system went live.”
Outcome
Post-install readings stayed below 1.5 pCi/L
Chris D.
Hudson, NH
“The site helped us find a contractor fast during escrow. They tested, installed mitigation, and documented the re-test so closing stayed on schedule.”
Outcome
Testing, mitigation, and re-test completed before closing
Patricia L.
Nashua, NH
About Radon in New Hampshire
EPA Zone Summary: New Hampshire includes many Zone 1 counties and has elevated average radon potential relative to national levels.
Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.
Radon Guides for New Hampshire
Articles and guides to help you understand radon risk and make informed decisions.
What Does Radon Mitigation Cost? A Homeowner's GuideRadon Levels by State: Where Is Radon Most Common?What Radon Level Is Dangerous?How to Choose a Radon Mitigation Contractor
Cornerstone Guides
Radon testing & monitoring products for New Hampshire
Start with a low-cost test kit, or set up continuous monitoring after mitigation.
Test Your Home
Radon test kits from $10
Monitor Continuously
Digital radon detectors
DIY Supplies
Manometers, sealants & more
Affiliate disclosure: We may earn a small commission on purchases at no extra cost to you.
State Resources for New Hampshire
Radon mitigation cost in New Hampshire
Estimate likely project pricing by foundation type and system complexity.
Radon testing guide for New Hampshire homes
Learn when and how to test, plus how to interpret pCi/L results.
Radon levels and EPA zones in New Hampshire
See how state-level risk varies and what zone maps can and cannot tell you.
ZIP-level radon risk in New Hampshire
Check projected local risk by ZIP code before contacting contractors.
All radon guides
Browse testing, mitigation, maintenance, and foundation guides.
Radon mitigation near me
Find nearby mitigation contractors by ZIP code distance.
Radon products for New Hampshire homeowners
Compare top-rated test kits, monitors, and mitigation fans.
Browse radon services
Explore testing, mitigation, system design, and commercial radon services.
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