Radon Mitigation Systems in Columbus, OH

Radon Mitigation Systems in Columbus involves sub-slab depressurization with an inline radon fan, sealed slab penetrations, and an exterior discharge stack above the eave line, working on the slab-to-soil interface and any below-grade openings where soil gas enters the home. The service is the standard installation for any Columbus home testing above the EPA action level of 4.0 pCi/L on a 90-day or annual long-term average.

Columbus proper includes some of the oldest housing stock in the metro, from German Village's brick rowhouses on shallow stone foundations to Hilltop and Linden's early-1900s worker housing over full basements, alongside mid-century ranch neighborhoods on standard poured basements. The city sits on the same Devonian-period limestone and shale bedrock that puts all of Franklin County in EPA Zone 1, so elevated readings show up across every one of these housing generations. Downtown's newer condo and infill construction is the exception, since slab-on-grade and structured-parking foundations change the soil-gas entry path entirely. Downtown Columbus sits at the confluence of the Scioto and Olentangy rivers, with the rest of the city spread across the flat glacial till plain typical of central Ohio. Columbus sits on geology that drives elevated regional radon exposure across the Columbus metro, including Franklin County.

Franklin County installs run on Devonian limestone-and-shale bedrock under a glacial till cap, and the county's EPA Zone 1 designation applies evenly across both the aged, cracked slabs common in Columbus's older neighborhoods and the more uniform poured basements of newer suburbs like Dublin and Hilliard, so the install method tracks foundation type more than location within the county.

Mitigation systems installed in Ohio must meet ANSI/AARST CCAH-2020-0523 for existing dwellings and be installed by a contractor licensed under ORC 3723.02 (Ohio Department of Health Radon Licensing Program). The Ohio Department of Health Radon Licensing Program oversees radon program compliance for Columbus, and Ohio licensure under ORC 3723.02 applies to any contractor performing mitigation work in the state.