How much does a 4-Ton (48,000 BTU) heat pump cost to run per month in South Carolina?

In South Carolina (15.1¢/kWh), a 4-Ton (48,000 BTU) cold-climate heat pump serving a 2,100–2,800 Sq Ft home consumes approximately 3,589 kWh per year, costing $542/year or $45/month on average.

4-Ton (48,000 BTU) Heat Pump & AC Monthly Electricity Cost in South Carolina (2026)

4-Ton (48,000 BTU) Annual kWh Consumption & Operating Cost

Equipment Output Capacity:4-Ton (48,000 BTU)/hr

Typical Home Coverage Area:2,100–2,800 Sq Ft

Estimated Annual Electricity Usage (COP 3.1 / 18 SEER2):3,589 kWh/yr

Annual Heating & Cooling Utility Bill in South Carolina:$542/yr ($45/mo)

Average Net Installed Equipment Cost (2026):$7,900

15-Year Total Cost of Ownership (Install + 15 Yrs Bills):$16,030

Model This 4-Ton Unit in South Carolina → Verify Exact Room/House BTU Load →

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Verify 2026 Federal 25C Tax Credit & Dominion Energy SC / Duke rebate eligibility and compare turnkey contractor pricing for a 4-Ton system (2,500 sq ft).

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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 2,500 sq ft South Carolina home.

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☀️ Offset 15.1¢/kWh

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Compare Other HVAC Tonnage Sizes in South Carolina

1.5-Ton (18,000 BTU)2-Ton (24,000 BTU)2.5-Ton (30,000 BTU)3-Ton (36,000 BTU)4-Ton (48,000 BTU)5-Ton (60,000 BTU)