radon fan replacement 2

https://radonmitigationnewbuildsmarket.brightsora.com/posts/smart-radon-mitigation-for-new-builds-a-proactive-approach-for-york-county-homeowners

We swapped out an old radon fan that was rattling loudly under the house; the new one hums quietly and the radon monitor reads at safe levels now, so the air feels much cleaner.