HSS came to our house for radon removal. Walt explained how they mitigate radon in a way that didn't make me feel stupid. They showed up on time and finished the project sooner than expected. They caulked a crack in the basement...
4.0
Review by a neighbor
in Minneapolis, MN
Project: Eliminate Toxic Materials or Mold
Fast turnaround and nice people.
5.0
Review by a neighbor
in Excelsior, MN
Project: Mitigate Radon Gas
They worked hard on the solution came back multiple times.