Radon Fan Installation Wander

When I first bought my house in York County, the musty smell in the basement was something I chalked up to old cinder block foundation walls and a damp crawlspace. It wasn't until a friend mentioned the National Radon Program that I even thought about testing. The EPA estimates that nearly one in fifteen homes in the U.S. has elevated radon levels, and here in south-central Pennsylvania, the geology of York County makes the risk real. Soil gas can seep through cracks in a ci