Planning a home project in Mississippi? This page brings together every cost guide we publish for the state — installed prices, yearly savings and payback for 2026 — plus the verified Mississippi rebate programs that can cut the bill.
In Mississippi, the long, hot cooling season shapes the energy year, and installation work here runs about 18% below the national average — both are built into every range below.
Home Project Costs in Mississippi at a Glance
| Project | Typical cost in Mississippi | Yearly savings | Simple payback | Guide |
|---|---|---|---|---|
| Central AC Replacement | $3,900–$7,800 | $470 | 12.4 years | Coming soon |
| Heat Pump | $5,550–$13,200 | $880 | 10.7 years | Coming soon |
| Attic Insulation | $1,150–$2,650 | $445 | 4.3 years | Coming soon |
| Roof Replacement | $6,250–$15,000 | $90 | — | Coming soon |
| Solar Panels | $11,900–$17,650 | $1,160 | 12.7 years | Coming soon |
| Tankless Water Heater | $2,050–$3,800 | $105 | 27.9 years | Coming soon |
| Replacement Windows | $5,050–$10,550 | $335 | 23.3 years | Coming soon |
Verified Rebates & Incentives in Mississippi
- Entergy Mississippi Heat Pump Rebate — Up to $1,100 for qualifying heat pumps. Entergy Mississippi customers through the Entergy Solutions program. Covers: Heat Pump. Source: HomeUpgradeCheck state rebate index
Amounts and rules change — confirm eligibility with the program before you sign a contract, and note that several programs require action before installation.
Figures compiled from public sources, updated October 2026. Local quotes vary — get 2–3 estimates.