Whether you are in the process of having a new home built, purchasing an older home, or simply trying to find a way to reduce your current winter utility bills, insulating your home is considered to be one of the best ways to do so. The big question for many people, concerns what type of insulation they should be investing in. The most common choices are batting style insulation or some form of Blown-in. Once applied, the liquid expands and forms bubbles that dry up, filling up space.