Find Radon Testers in New Hampshire
Certified radon testing and mitigation professionals across New Hampshire. Browse 20+ listed providers below.
Radon Risk Level
EPA data for this state
High radon state; granite bedrock throughout.
Browse by City in New Hampshire
Manchester
6 providers
Nashua
3 providers
Hooksett
3 providers
Kingston
2 providers
Salem
2 providers
Hudson
2 providers
Enfield
1 provider
Exeter
1 provider
Center Barnstead
1 provider
Rochester
1 provider
Center Conway
1 provider
Goffstown
1 provider
Keene
1 provider
North Sutton
1 provider
Lee
1 provider
Newton
1 provider
Windham
1 provider
Littleton
1 provider
Radon Providers in New Hampshire(showing top 20)
Radon Testing in New Hampshire — FAQ
How often should I test for radon in New Hampshire?
The EPA recommends testing every two years in New Hampshire. Always test when moving into a new home, after renovations that affect lower levels, and after installing a mitigation system.
What is the EPA action level for radon?
The EPA recommends taking action to reduce radon if indoor levels reach 4 pCi/L or higher. Even levels between 2–4 pCi/L present risk, and mitigation is recommended where feasible.
Do I need a certified radon tester in New Hampshire?
For real estate transactions, most states require a certified tester. Look for NRPP or AARST-NRPP certification. New Hampshire may also have its own state program — check your state radon office for specific requirements.