When you need a Rapid City, SD, insulation contractor you can count on, come to Dakota Insulation, Inc. in Rapid City, SD. You might be surprised by how much of a difference it makes to have your home properly insulated. When your home is insulated with old, worn out material, you're forced to turn the heat and air conditioner up higher to achieve the results you want. And, of course, that means your utility bills will be higher. Additionally, properly insulating your home is good for the environment.