Attic Insulation Cost in Mississippi:
R-Values, Air Sealing & Quotes
Average attic insulation cost in Mississippi: $800–$2,000. Recommended R-value: R-38 to R-49 (attic). Compare air sealing, ventilation, warranty, and rebate assumptions.
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$800–$2,000
Avg. Attic Project Cost
$200–$400/yr
Annual Energy Savings
R-38 to R-49 (attic)
Recommended R-Value
3–7 years
Typical Payback
Best Insulation Approach for Mississippi
Recommended: Air sealing + blown-in attic insulation to R-38
Mississippi's hot, humid summers mean cooling savings drive insulation payback. Moisture management is critical. Entergy Mississippi and Mississippi Power offer rebate programs for qualifying improvements.
| 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 |
Mississippi Insulation Rebates & Tax Credits
Current insulation rebate eligibility should be verified
Entergy Mississippi home energy rebates
TVA EnergyRight programs (north Mississippi)
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 Mississippi
Compare Insulation Quotes in Mississippi
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