Planning a home project in South Carolina? This page brings together every cost guide we publish for the state — installed prices, yearly savings and payback for 2026 — plus the verified South Carolina rebate programs that can cut the bill.
In South Carolina, the long, hot cooling season shapes the energy year, and installation work here runs about 10% below the national average — both are built into every range below.
Home Project Costs in South Carolina at a Glance
| Project | Typical cost in South Carolina | Yearly savings | Simple payback | Guide |
|---|---|---|---|---|
| Central AC Replacement | $4,400–$8,800 | $475 | 13.9 years | Coming soon |
| Heat Pump | $5,750–$13,650 | $845 | 11.5 years | Coming soon |
| Attic Insulation | $1,250–$2,900 | $445 | 4.7 years | Coming soon |
| Roof Replacement | $6,900–$16,500 | $90 | — | Coming soon |
| Solar Panels | $12,650–$18,800 | $1,275 | 12.3 years | Coming soon |
| Tankless Water Heater | $2,300–$4,200 | $105 | 31.0 years | Coming soon |
| Replacement Windows | $5,200–$10,900 | $320 | 25.2 years | Coming soon |
Verified Rebates & Incentives in South Carolina
- Santee Cooper EmpowerHome Heat Pump Rebate — Up to $700 for qualifying heat pumps. Santee Cooper customers; other SC utilities run smaller offers. 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.