USA Insulation of Central Maryland offers high quality residential and business insulation services for homes and buildings in the Baltimore and Central Maryland area. Our blown-in attic insulation, injection foam wall insulation, and air sealing service effectively keep the heat and cold outside where it belongs and increase comfort and energy efficiency. According to the Environmental Protection Agency (EPA), insulation combined with air sealing “is often the most cost effective way to improve energy efficiency and comfort”. Thanks to USA Insulation, tens of thousands of homeowners have experienced significant year round savings on their utility bills, year in and year out!