How Much Does Attic Insulation Cost in Pennsylvania?
Pennsylvania pricing is near the national average. Updated for 2026.
Attic Insulation Pricing in Pennsylvania
In Pennsylvania, the average cost for attic insulation is $2,040 per project, which is 2% higher than the national average of $2,000. Most Pennsylvania residents pay between $1,020 and $3,570.
Pennsylvania has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
Adding or replacing attic insulation is one of the most cost-effective home energy upgrades. Options include blown-in fiberglass, cellulose, and spray foam.
Pennsylvania vs National Average
What Affects Attic Insulation Cost in Pennsylvania?
Type
Blown-in fiberglass: $1.00-$1.50/sq ft. Cellulose: $1.00-$1.50/sq ft. Spray foam: $2.50-$5.00/sq ft
Attic Size
1,000 sq ft: $1,000-$2,500. 1,500 sq ft: $1,500-$3,500. 2,000 sq ft: $2,000-$5,000
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💡 Tips to Save on Attic Insulation in Pennsylvania
- 1.Blown-in insulation is the most affordable option
- 2.Check for utility rebates — many cover 25-50% of insulation costs
- 3.DIY blown-in insulation kits are available at home improvement stores
- 4.Seal air leaks before adding insulation for maximum benefit
📈 Attic Insulation in Pennsylvania Cost Trends (2022–2026)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2022 | $1,733 | — |
| 2023 | $1,806 | +4.2% |
| 2024 | $1,923 | +6.5% |
| 2025 | $1,977 | +2.8% |
| 2026 | $2,040 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Attic Insulation in Pennsylvania
Recent Reports
Frequently Asked Questions
How much can insulation save on energy bills?
Properly insulated attics can reduce heating and cooling costs by 15-25%.
Attic Insulation Cost in Other States
Related Cost Guides for Pennsylvania
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