Head-to-Head Lifespan & Operating Cost Comparison (2,000 Sq Ft in South Carolina)
Option A: Geothermal Ground-Source (25-Yr Unit / 50-Yr Loop)Install: $18,500 | Lifespan: 25 Yrs
Option A Annual & Monthly Utility Bill:$322/yr ($27/mo)
Option A 15-Year Total Cost (Install + 15 Yrs Bills):$23,330
Option B: Air-Source Heat Pump (15-Yr Lifespan)Install: $6,800 | Lifespan: 15 Yrs
Option B Annual & Monthly Utility Bill:$434/yr ($36/mo)
Option B 15-Year Total Cost (Install + 15 Yrs Bills):$13,310
South Carolina Tariff & Break-Even Threshold:15.1¢/kWh Elec | $1.58/therm Gas (Break-Even: 18.2¢/kWh)
15-Year Net Lifespan Verdict in South Carolina:Air-Source Heat Pump saves $10,020 over 15 years
💰 Up to $2,600 Rebate
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Compare 3 Local South Carolina HVAC Installer Quotes
Verify 2026 Federal 25C Tax Credit & Dominion Energy SC / Duke rebate eligibility and compare turnkey contractor pricing for a 3.0-Ton system (2,000 sq ft).
🛠️ Save 45% on Install
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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 2,000 sq ft South Carolina home.
☀️ Offset 15.1¢/kWh
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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.
Other HVAC System Matchups in South Carolina
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