How Much Does Insulation Installation Cost in Illinois?
Illinois pricing is near the national average. Updated for 2024-2025.
Insulation Installation Pricing in Illinois
In Illinois, the average cost for insulation installation is $2,940 project, which is 5% higher than the national average of $2,800. Most Illinois residents pay between $1,050 and $5,775.
Illinois has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
Insulation installation costs depend on the type of insulation, area to cover, and accessibility. Proper insulation can reduce energy bills by 15-25% annually.
Illinois vs National Average
What Affects Insulation Installation Cost in Illinois?
Type
Spray foam costs 2-3x more than blown-in
Area
Whole-house: $3,000-$10,000
Accessibility
Hard-to-reach areas add 25-50%
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💡 Tips to Save on Insulation Installation in Illinois
- 1.Check for utility company rebates
- 2.Start with attic insulation for best ROI
- 3.Get an energy audit first
- 4.Consider blown-in for existing walls
📈 Insulation Installation in Illinois Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $2,497 | — |
| 2021 | $2,602 | +4.2% |
| 2022 | $2,771 | +6.5% |
| 2023 | $2,849 | +2.8% |
| 2024 | $2,940 | +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 Insulation Installation in Illinois
Recent Reports
Frequently Asked Questions
What is the cheapest insulation to install?
Blown-in fiberglass or cellulose at $1-$2 per square foot installed.
Is spray foam insulation worth the cost?
It costs more upfront but can pay for itself in 5-7 years through energy savings.
Insulation Installation Cost in Other States
Related Cost Guides for Illinois
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