InsulationInsulation Cost Calculator

Insulation Cost Calculator

Calculate your complete insulation project cost including materials, labor, and see your potential energy savings.

Project Details

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Material Cost Comparison

Fiberglass Batts

$0.65/ft²

R-3.2/inch

Cellulose Blown

$0.8/ft²

R-3.5/inch

Open Cell Spray Foam

$1.2/ft²

R-3.7/inch

Closed Cell Spray Foam

$1.5/ft²

R-6.5/inch

Rigid Foam Board

$0.9/ft²

R-5/inch

Mineral Wool

$0.85/ft²

R-3.3/inch

Expert Contributors

Why expert review matters

Every calculator is reviewed by certified professionals to ensure accuracy.David Chen's Master Mason, Licensed GC certification ensures professional-grade precision.

Insulation Cost Factors

Material Type

$0.65-$1.50/ft²

Fiberglass to spray foam

Labor Costs

$0.45-$1.25/ft²

DIY to professional

Location

Varies by area

Attic, walls, basement

Complexity

+30-60%

Old homes, obstacles

Pro Tips

  • Get 3+ quotes from contractors - prices vary by 20-30%
  • Check utility rebates that can cover 10-30% of costs
  • Consider DIY for simple batt insulation projects
  • Bundle with other home improvements for contractor discounts

Common Questions

How much does insulation cost?

$1,500-$3,500 for average home attic

Is spray foam worth the cost?

Yes, 40-50% better performance than batts

Can I get tax credits?

Yes, up to 30% through 2032 (25C credit)

How the Cost Calculator Works

Our insulation cost calculator estimates your total project cost by combining material prices, labor costs based on your installation choice, and any additional services like old insulation removal. We also calculate your potential energy savings and return on investment.

Formula

Total = (Area x Waste Factor) x (Material + Labor) + Additionals

ROI = Total Cost ÷ Annual Energy Savings

Quick Reference

Average attic cost
$1,500-$3,500
Wall insulation
$1,000-$2,500
Tax credit (2024)
30% up to $1,200
Typical payback
3-5 years