| Quick facts | Answer |
|---|---|
| Cost range | $4,000 to $5,000 installed; some Kentucky quotes run $3,500-$4,500 |
| Time | Installation time varies by home - confirm with your quote |
| Who's qualified | Kentucky requires radon contractors to be state licensed; verify NRPP certification at radon.ky.gov |
Winchester, KY: what's different here
Winchester sits about 19 miles from Lexington, roughly a 30-minute drive via the main highway, so a local pro can reach the area easily for quotes and installs. The region's limestone and shale geology gives it elevated radon potential, which matters for homes on private wells. Kentucky housing policy requires mitigation when testing shows radon at or above 4.0 pCi/L, and post-installation testing before occupancy in post-construction situations.
How does a radon water aeration system work?
Aeration devices bubble air through the water and carry the radon gas out through an exhaust fan. EPA describes home aeration systems that spray water through an air-filled chamber while a fan moves radon-contaminated air out of the house. This is a point-of-entry treatment, so radon is removed before water reaches any tap.
Aeration vs. carbon filters for Winchester well water
EPA names two point-of-entry treatments for radon in water: granular activated carbon filters and aeration devices. EPA's older household-water report says installed aeration devices are not readily available or widely used, while granular activated carbon systems were the least costly option at the time. Ask the pro which type fits your test results.
Why Winchester homes test high for radon
Kentucky's high-radon rock types include black shale and phosphatic limestones, and University of Kentucky research found Mississippian limestones, Ordovician limestones, and Devonian black shales have the state's highest indoor-radon potential. Kentucky radon maps show homes on limestone, dolostone, and some shales tend to have higher indoor radon than homes on siltstone, sandstone, or surficial deposits. Kentucky is EPA Radon Zone 2, with predicted average indoor screening levels between 2 and 4 pCi/L.
Ongoing costs of a radon water aeration system
A radon fan runs continuously and draws 100 to 300 watts, which can add about $30 to $300 per year to the home's energy bill. Budget for that on top of the installation price. Ask the pro for the fan's expected wattage before you sign.
What to do next
- Test your well water for radon and compare the result to the EPA action level of 4.0 pCi/L.
- Verify the contractor's Kentucky radon certification through the state radon office at radon.ky.gov or 502-782-2782.
- Ask each pro for proof of license and insurance before scheduling the install.
- Get itemized quotes covering the aeration unit, installation, fan wattage, and post-installation water testing.
- Call (859) 249-8571 or email [email protected] for a free quote from a Kentucky-certified (NRPP/NRSB) radon mitigation contractor.
Lexington Radon Pros is a free referral service: an independent contractor does the work and may pay us a referral fee. You never pay us anything.
