I might need professional help to have the attic insulated. How much does it cost? Depending on the type of insulation, installation can cost anywhere from $0.50 to $4 per square foot, with an average of about $1.50 per square foot. However, this price may vary depending on your location and the contractor you choose.

I might need professional help to have the attic insulated. How much does it cost? Depending on the type of insulation, you could expect to pay anywhere from $0.50 to $3.00 per square foot for installation. Professional installation will likely cost more, but it is worth considering if you're not comfortable doing it yourself.