Question: what is cost of blown fiberglass insulation?
Answer: Average Cost of Blown-In Fiberglass Insulation Fiberglass insulation runs from $500 to $1,060 to cover 1,000 square feet. The price per job varies based on the R-value of the insulation and the size of the project. Blown-in insulation increases your home's energy efficiency and can help save money over time.