Estimated Savings for a Typical South Carolina Home
2,000 sq ft home switching from electric-resistance heating
Installed Cost
$13,000
State Rebate
None
Net Cost
$13,000
Current Heating Cost/yr
$1,116
Heat Pump Cost/yr
$338
Annual Savings
$778
Payback Period
16.7 yrs
15-Year Savings
$1,692
CO₂ Avoided/yr
4,791 lbs
South Carolina Heat Pump Rebates
✕
Federal 25C Tax Credit (Expired Dec 31, 2025)
The federal Energy Efficient Home Improvement Credit (up to $2,000 for heat pumps) ended December 31, 2025. Heat pumps installed in 2026 do not qualify for it.
Up to $8,000
HEEHRA Federal Rebate (Income-Qualified)
Households at or below 150% of area median income can receive up to $8,000 toward a heat pump through the federal HEEHRA program, administered by South Carolina. View full rebate detail →
Heat Pump Costs by City in South Carolina
| City | Annual Savings | Payback (yrs) | Population ↓ | Utility |
|---|---|---|---|---|
| Charleston | $571 | 22.8 | 137,566 | Dominion Energy SC |
| Columbia | $638 | 20.4 | 133,273 | SCE&G |
| North Charleston | $386 | 30 | 114,852 | Dominion Energy SC |
| Mount Pleasant | $383 | 30 | 91,684 | Dominion Energy SC |
| Rock Hill | $641 | 20.3 | 75,048 | Duke Energy SC |
| Greenville | $665 | 19.6 | 70,635 | Duke Energy SC |
| Summerville | $633 | 20.5 | 53,307 | Dominion Energy SC |
| Goose Creek | $588 | 22.1 | 47,053 | Dominion Energy SC |
| Hilton Head Island | $577 | 22.5 | 39,918 | Palmetto Electric |
| Florence | $767 | 17 | 37,524 | Santee Electric |
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Quick Facts: South Carolina
- 🌡️ Climate: Mild (2,300 HDD)
- ⚡ Avg electricity: $0.138/kWh
- 🔥 Natural gas: $1.40/therm
- 🏭 Top utility: Duke Energy SC