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.

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.

This homeowner in Hollis, New Hampshire, had tested their home for radon and the level was around 7 pCi/L. They called EFS for a Design Specialist to inspect their home and design a radon system for their home and seal some of the cracks on the slab. 

Our Installation team installed the radon mitigation system in the basement and sealed the cracks in the basement with NexusPro. The team lowered the levels of radon in the home to below the goal of 4.0 pCi/L.