How Much Does Furnace Replacement Cost in Charleston, SC?
Charleston pricing is near the national average. Updated for 2026.
Based on local labor rates, varied climate conditions, and Charleston's diversified economy.See our methodology
Furnace Replacement Pricing in Charleston, SC
Charleston offers near-average pricing for furnace replacement, making it a reasonable market for this service. The local diversified economy supports a balanced labor pool, and the city's 150K population base ensures you can find multiple qualified providers to compare quotes.
Local climate plays a direct role in furnace replacement costs here. Hot humid summers drive HVAC and pest control demand; hurricane risk in coastal areas.
Market-specific factors matter in Charleston: growing market with competitive contractor rates.
Charleston has moderate permitting requirements. Depending on the scope of your furnace replacement project, you may need local permits. A licensed contractor will handle the permitting process as part of the job in most cases.
Charleston vs National Average
What Affects Furnace Replacement Cost in Charleston?
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.
Charleston Market Conditions
growing market with competitive contractor rates
Local Climate Impact
hot humid summers drive HVAC and pest control demand; hurricane risk in coastal areas
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Top-Rated Furnace Replacement Pros in Charleston, SC
3 providersPatriot Roofing & Siding
✅ VERIFIEDHeritage Property Services
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Tips to Save on Furnace Replacement in Charleston
- 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 Charleston Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $3,746 | — |
| 2021 | $3,903 | +4.2% |
| 2022 | $4,157 | +6.5% |
| 2023 | $4,273 | +2.8% |
| 2024 | $4,410 | +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 Charleston
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.
Why does furnace replacement cost different in Charleston than other cities?
Charleston's costs reflect local labor rates driven by the diversified economy, varied climate conditions that affect materials and scheduling, and moderate permitting requirements. The balanced labor market also influences competitive pricing.
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