Attic insulation costs anywhere from $1,680 to $3,125, depending on the size of your attic and the material used. On average, most homeowners shell out around $2,380. These costs include the ...

The average cost of spray foam insulation is $6,080, with costs typically ranging between $3,385 and $10,960. Spray foam insulation pays for itself in time because it improves energy efficiency by ...