Adding sufficient levels of attic insulation can save up to 20% on both your electricity and gas bills. If your summertime electric bill from Austin Energy, Oncor, Georgetown Utility Service bill is around $300 during the summertime months, adding more insulation can save around $60 per month. The best way to figure out how much money you can save on a yearly basis is to collect your last 12 electric bills and gas bills and add them up. Now multiply the total by twenty-percent. All homes will vary and the best way to get an exact quote is to let us do an home attic inspection and provide you with a written estimate based on your energy bills, square footage and actual insulation needed.