It always costs a lot each month to keep your home heated. You can cut down this cost by getting better insulation for your house. Insulation minimizes the amount of heat that escapes your house during the winter. Insulation saves you the most money if you live somewhere with lots of climate changes, like cold winters and hot summers. You can also get insulation made out of recycled plastic and paper as well as normal insulation, made from foam and fiberglass materials.