Attic Insulation Cost in Vermont:
R-Values, Air Sealing & Quotes
Average attic insulation cost in Vermont: $1,400–$3,500. Recommended R-value: R-60 to R-80 (attic). Compare air sealing, ventilation, warranty, and rebate assumptions.
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$1,400–$3,500
Avg. Attic Project Cost
$400–$800/yr
Annual Energy Savings
R-60 to R-80 (attic)
Recommended R-Value
2–4 years
Typical Payback
Best Insulation Approach for Vermont
Recommended: Comprehensive air sealing + attic blown-in to R-60+
Vermont has one of the coldest heating climates in the lower 48. Efficiency Vermont offers some of the strongest insulation rebates in the country. Many Vermont homes have inadequate attic insulation and significant air leakage.
| Project Type | Typical Cost | Operating Impact | Payback |
|---|---|---|---|
| Attic blown-in (R-49) | $1,000–$2,800 | $200–$450/yr | 3–6 yrs |
| Air sealing package | $400–$1,200 | $150–$350/yr | 1–4 yrs |
| Rim joist spray foam | $400–$900 | $100–$200/yr | 2–5 yrs |
| Wall insulation (existing) | $1,500–$4,000 | $150–$350/yr | 5–15 yrs |
| Crawl space encapsulation | $3,000–$7,000 | $200–$400/yr | 8–20 yrs |
Vermont Insulation Rebates & Tax Credits
Current insulation rebate eligibility should be verified
Efficiency Vermont Home Energy Loan and rebates
Green Mountain Power Savings Plan
Federal credit rules changed after 2025; verify current IRS rules
Programs change often. Ask each insulation contractor to confirm current rebate and tax credit rules before you sign.
Insulation Quotes by City in Vermont
Compare Insulation Quotes in Vermont
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