Handyman+ Team · Dec 15, 2025
How Much Does Insulation Installation Cost? [2026 Data]
Typical range: $1,500 – $6,000
Insulation installation costs $1,500–$6,000. Blown-in attic $1,500–$3,500; batt insulation $2–$4 per sq ft; spray foam $2–$7 per sq ft.
R-value and coverage area affect price. Attic is highest impact. Wall insulation in existing homes requires drilling—$2–$4 per sq ft.
Proper ventilation is critical. Air sealing before insulating maximizes results. Rebates may be available for energy upgrades.
