Properly insulating your home is one of the most cost-effective ways to cut down on your energy loss. Improving the insulation in your home can cut your heating and cooling costs by as much as 30%, and will create a more uniform, comfortable temperature in your home. Better insulation will also help decrease outdoor noise. Check the insulation in your attic, ceilings, exterior and basement walls, floors, and crawl spaces to see if they meet recommended standards for your area. Insulation is measured in R-values: the higher the R-value, the less transfer of heat through the material. Typically the easiest and most cost-effective way to improve your homes insulation is to add insulation to your attic.