Attic insulation is a type that should be considered anytime you are considering insulating your home. Attic insulation can greatly reduce the energy costs of heating and cooling your home. It helps to regulate the temperature. In the summer, the insulation in the attic keeps the warmer air that is in the attic from pushing down into the living area of the home. In the winter, the attic insulation will keep the warmer air in the living area of the home, and keep the cooler air out. Different kinds of attic insulation include fiberglass and Batts.