Located in Merrimack County within New Hampshire's central region, Warner sits among granite bedrock formations that contribute to the state's elevated radon potential. While specific testing data for Warner remains limited, the surrounding geological conditions warrant homeowner attention. Given the area's EPA Zone 2 classification and typical New England foundation styles, residents should prioritize radon testing regardless of home age.
Warner, NH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Warner, NH Radon Testing
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Warner Radon Facts
Key details about the radon risk profile for Warner and the 03278 zip code area.
EPA Radon Zone
Zone 2 — Moderate Risk
County
Merrimack County, NH
Zip Code
03278
Predicted Screening Level
2–4 pCi/L (Zone 2)
Warner and the 03278 zip code are located in Merrimack County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Warner, NH
What EPA Radon Zone is Warner in?
Warner and the 03278 zip code are in Merrimack County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Warner?
Radon mitigation in Warner typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Warner?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.
Most Active Radon Markets in New Hampshire
Cities with the most user-submitted radon test data in the state.
