Geo-Insulation, your San Antonio insulation contractor. Our customers experience high quality, personalized service for spray foam attic insulation. Not only will your project be completed by a courteous, friendly and professional installer, but you'll also receive extras, such as free AC filters and a free water heater blanket. In addition, new attic insulation, whether you choose foam or fiberglass, will help you save money on monthly utility bills, extend the life of your air conditioning system, and provide sound proofing and standardize air quality and temperature.