Radon Gas Mitigation Before & After Photos

This homeowner had concerns with high radon levels and a high water table. Our team installed a radon mitigation system, as well as a sump pump with battery backup.

A historic home in Hollis, NH was facing elevated radon levels of around 10 pCi/L and wet crawl spaces due to wall seepage. The homeowner contacted us out of concern for air quality and the need to protect utilities from potential water damage. To remediate these issues, we installed a Radon Mitigation System and Energy Recovery Ventilator (ERV) to ensure healthier air quality. As seen in the photos, our CleanSpace® encapsulation system effectively addresses moisture, transforming the crawl spaces into dry and stable environments. Our comprehensive solutions ensure long-term stability and safety.

This homeowner in Hollis, New Hampshire was in need of a radon mitigation system after levels tested high in his home. An efficient system was designed and installation took half a day. 

This homeowner in Hollis, New Hampshire was experiencing radon levels around 9 pCi/L. They called EFS about a free inspection. The EFS Crew arrived at the home and installed a new radon mitigation system into the basement. 

The radon levels in a home in Hollis, New Hampshire were tested at 27 pCi/L. EFS installed a radon mitigation system and reduced the radon level to below 4 pCi/L.