radon system installation

https://front-wiki.win/index.php/Radon_Mitigation_Cost_Emerges_as_Key_Factor_in_Home_Sales

When we bought our older home, the radon test came back high, so we finally scheduled a radon system installation. The crew spent a day running PVC pipe from a sump pit in the basement slab up through the garage and out the roof, where a quiet fan now creates negative pressure under the house. It was dusty work and they had to cut two holes in drywall, but the installer explained each step and showed me how the manometer indicates proper airflow. Since the system went live, our follow-up test d…