How Much Does Attic Insulation Cost in Delaware?

Delaware pricing is near the national average. Updated for 2024.

Low End
$1,050
Average
$2,100
High End
$3,675
per project
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Attic Insulation Pricing in Delaware

In Delaware, the average cost for attic insulation is $2,100 per project, which is 5% higher than the national average of $2,000. Most Delaware residents pay between $1,050 and $3,675.

Delaware 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.

Delaware vs National Average

Delaware Average
$2,100
National Average
$2,000
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What Affects Attic Insulation Cost in Delaware?

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

💡 Tips to Save on Attic Insulation in Delaware

  • 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
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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 Delaware

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