Attic blanket installation by Energy Improvements. This is a before and after video of installing the energy shield attic blanket on top of the insulation. It is referred as a thermal blanket because of the very nature of it covering the attic insulation. It keeps the winter heat in and the summer heat out. Making the home cooler in the summer and warmer in the winter. Energy Improvements operates across the United States and the home office is located in Tyler TX.