Attic Insulation Cost in Utah:
R-Values, Air Sealing & Quotes
Average attic insulation cost in Utah: $950–$2,400. Recommended R-value: R-49 to R-60 (attic). Compare air sealing, ventilation, warranty, and rebate assumptions.
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$950–$2,400
Avg. Attic Project Cost
$270–$540/yr
Annual Energy Savings
R-49 to R-60 (attic)
Recommended R-Value
3–6 years
Typical Payback
Best Insulation Approach for Utah
Recommended: Air sealing + blown-in attic insulation to R-49
Utah's cold winters (especially in Salt Lake City and higher elevations) and hot summers make insulation valuable year-round. Rocky Mountain Power offers rebates. Many Utah homes have uninsulated crawl spaces.
| 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 |
Utah Insulation Rebates & Tax Credits
Current insulation rebate eligibility should be verified
Rocky Mountain Power Home Performance rebates
Questar Gas home energy programs
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 Utah
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