Is Western North Carolina a high-radon area, and does adding a fireplace affect radon levels?
Yes — Leicester and the surrounding high country fall in the EPA's top radon zone, and out on its rural propane-and-wood properties the fireplace question centers on the wood stove. A fireplace doesn't create radon, but a room-air wood stove is a powerful indoor draw that can pull more soil gas up from a crawlspace. Sealed appliances don't.
Wood and propane on rural lots
Leicester's large rural properties out toward Sandy Mush and Turkey Creek run on propane and wood far more than a gas main, and wood heat is genuinely popular here. The catch for radon: a wood stove drawing combustion air from the room sends a strong column up the flue and puts the house under negative pressure, drawing make-up air — some of it radon-bearing soil gas from the bedrock — up through the crawlspace. Cold-air drainage runs these valleys five to eight degrees colder than Asheville, so those stoves run hard.
Where limited power points
Some remote Leicester properties have limited electrical capacity, which is another reason a sealed direct-vent gas or propane fireplace with millivolt ignition appeals — it needs almost no electricity, throws heat when the grid's down, and because it takes its air from outside, it never depressurizes the house or adds to the radon draw. That's a rare case where the outage-proof pick and the radon-neutral pick are the same appliance.
Test the rural home
Rural homes over open crawlspaces test high often enough that we'd measure before assuming a wood stove is fine — and testing is the homeowner's step, since we install hearths, not radon systems. If it's high, sealed is the safer path; mitigation is a specialist's trade. Gas or propane work gets a Buncombe County permit and pressure test. We're fifteen minutes west. Call (828) 545-0525.
Fireplace help in Leicester
We install and service fireplaces throughout Leicester and the rest of Buncombe County — just 15 minutes west from our Asheville-area showroom.
Related questions
- Can a wood-burning fireplace or stove actually pull more radon into the house?
- Are sealed direct-vent fireplaces the better choice for a home with radon concerns?
- Can a radon mitigation system interfere with my fireplace's draft, or vice versa?
- My home has an encapsulated crawlspace or a tight envelope — does my fireplace or wood stove need outside combustion air?
- Can a heavy fireplace or stone surround be installed in a home built over a crawlspace?