Insulation costs $1.00 to $4.50 per square foot. The average cost to insulate a house is $1,600 to $8,000. Insulation material prices are $0.50 to $2.80 per sq. ft.| HomeGuide
Blown-in insulation costs $1.00 to $2.80 per square foot. Blown-in attic insulation costs $900 to $3,600. Blown-in wall insulation costs $1,900 to $7,800.| HomeGuide
Batt and roll insulation costs $0.80 to $2.60 per square foot installed or $1,100 to $3,900, depending on the R-value. A roll of insulation costs $20 to $90.| HomeGuide
Crawl space repair costs $2,500 – $8,000 for foundation repair, water removal, replacing a support beam. Crawl space cleaning costs $500 – $4,000 for mold removal.| HomeGuide
Crawl space insulation costs $1.00 to $4.50 per square foot or $500 to $3,700 on average. Spray foam insulation under a house costs $2 to $5 per square foot.| HomeGuide
The cost to insulate a garage is $0.50 to $3.00 per square foot installed, depending on the size, height, and insulation type.| HomeGuide
Crawl space encapsulation costs $1,500 – $15,000. A vapor barrier costs $2 – $4 per square foot. Costs include a drainage system, insulation, repairs, and sealing.| HomeGuide