1,500 Sq Ft Heating & Cooling Cost in South Carolina (2026)

Recommended HVAC Capacity: 2.5 Tons (30,000 BTU)  |  Utility Rate: 15.1¢/kWh (Dominion Energy SC / Duke)

2026 Monthly & Annual Utility Breakdown (1,500 Sq Ft in South Carolina)

Recommended Equipment Size:2.5 Tons (30,000 BTU)
South Carolina Residential Electricity / Gas Rate:15.1¢/kWh  |  $1.58/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$325/yr ($27/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$225/yr Heat  |  $100/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$391/yr ($33/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$878/yr ($73/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$4,695
Customize Insulation, Solar & View 20-Year Lifespan Graph →
🛠️ Save 45% on Install

DIY Pre-Charged Ductless Mini-Split Kits

Avoid $3,500+ in ductwork labor. Calculate exact multi-zone mini-split BTU capacity for your 1,500 sq ft South Carolina home.

Size DIY Mini-Split Kit →
☀️ 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.

Model Solar + Heat Pump ROI →

Compare Other Home Sizes in South Carolina