This homeowner's attempt at keeping her house warm is one that is common among all homeowners. We think that by covering the windows, we will stop the draft from entering into our homes. These blankets, however, may not be the correct solution. Although the blankets act as insulation, they are not made of the right materials to properly stop the transfer of heat. Dr. Energy Saver has the right solution and can stop you from using your blankets in the wrong places!