One of the hidden benefits of Blown Insulation Minneapolis contractor can provide is protection against excess moisture. If you're not sure why this should matter, you haven't seen a mold infestation. Mold growth is not only bad for your air quality, but it can also take a toll on the structure itself. If you try to sell your house and a home inspector finds mold, you're not going to have much luck with savvy buyers. Moisture in and of itself can cause myriad problems, even if it doesn't lead to mold growth.