2,800 Sq Ft Heating & Cooling Cost in South Carolina (2026)

Recommended HVAC Capacity: 4.0–4.5 Tons (54,000 BTU)  |  Utility Rate: 15.1¢/kWh (Dominion Energy SC / Duke)

2026 Monthly & Annual Utility Breakdown (2,800 Sq Ft in South Carolina)

Recommended Equipment Size:4.0–4.5 Tons (54,000 BTU)
South Carolina Residential Electricity / Gas Rate:15.1¢/kWh  |  $1.58/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$607/yr ($51/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$420/yr Heat  |  $187/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$730/yr ($61/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$1,639/yr ($137/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$11,880
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DIY Pre-Charged Ductless Mini-Split Kits

Avoid $3,500+ in ductwork labor. Calculate exact multi-zone mini-split BTU capacity for your 2,800 sq ft South Carolina home.

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☀️ Offset 15.1¢/kWh

South Carolina Solar + Heat Pump Net-Zero Calculator

See how an 80%–100% rooftop solar net-metering array eliminates annual electric heating and cooling bills in South Carolina.

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Compare Other Home Sizes in South Carolina