How Much Does Furnace Replacement Cost in South Carolina?
South Carolina pricing is below the national average. Updated for 2026.
Furnace Replacement Pricing in South Carolina
In South Carolina, the average cost for furnace replacement is $3,915 per unit, which is 13% lower than the national average of $4,500. Most South Carolina residents pay between $2,175 and $6,525.
South Carolina benefits from a lower cost of living than many states, resulting in more affordable pricing for furnace replacement. This makes it one of the more budget-friendly states for this service.
Furnace replacement includes removing the old unit and installing a new gas, electric, or oil furnace. A properly sized furnace is critical for efficiency and comfort.
South Carolina vs National Average
What Affects Furnace Replacement Cost in South Carolina?
Fuel Type
Gas: $3,000-$6,000. Electric: $2,000-$4,500. Oil: $4,000-$7,500
Efficiency
80% AFUE: $2,500-$4,000. 95%+ AFUE: $3,500-$6,500
Size
Undersized or oversized units waste energy. Proper sizing by a pro is essential.
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💡 Tips to Save on Furnace Replacement in South Carolina
- 1.Buy during summer when HVAC companies are less busy
- 2.A 95%+ AFUE furnace costs more upfront but saves 20-30% on heating bills
- 3.Get 3+ quotes and ask about rebates
- 4.Check for utility company and federal tax incentives
📈 Furnace Replacement in South Carolina Cost Trends (2022–2026)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2022 | $3,326 | — |
| 2023 | $3,466 | +4.2% |
| 2024 | $3,691 | +6.5% |
| 2025 | $3,794 | +2.8% |
| 2026 | $3,915 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Furnace Replacement in South Carolina
Recent Reports
Frequently Asked Questions
How long does a furnace last?
Most gas furnaces last 15-20 years. Electric furnaces can last 20-30 years. Oil furnaces typically last 15-25 years.
What size furnace do I need?
A general rule is 30-60 BTUs per square foot, but climate, insulation, and home layout all factor in. A Manual J calculation gives the most accurate sizing.
Furnace Replacement Cost in Other States
Related Cost Guides for South Carolina
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