Furnace Replacement cost: Columbia vs Florence (2026)
The two metros aren't quite in sync on furnace replacement: Columbia sits 3% above Florence, or roughly $5,100 versus $4,950 — about $150 apart.
Columbia SC
Typically around $5,100
Florence SC
Lower costTypically around $4,950
Columbia vs Florence: full breakdown
| Factor | Columbia | Florence |
|---|---|---|
| Typical 2026 cost | $5,100 | $4,950 |
| Estimated range | $3,650–$6,550 | $3,550–$6,350 |
| Labor index (vs US) | ×0.96 | ×0.93 |
| Climate zone | Hot | Hot |
| Climate factor | ×0.95 | ×0.95 |
| Local permit | $200 | $200 |
| Labor share | $3,050 | $2,950 |
| Materials/equipment | $2,050 | $2,000 |
Treat these as 2026 localized estimates for furnace replacement, not quotes from a contractor.
How much should this gap actually matter?
3% is within noise for furnace replacement — contractor selection and timing move the price more than which of these two metros you're in.
Furnace replacement by type: Columbia vs Florence
Every furnace replacement type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Columbia | Florence |
|---|---|---|
| Gas furnace | $3,550–$6,500 | $3,450–$6,300 |
| High-efficiency gas furnace | $3,200–$6,500 | $3,100–$6,300 |
| Electric furnace | $2,000–$4,300 | $1,950–$4,150 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
Furnace replacement by home size: Columbia vs Florence
Furnace cost scales with the heating capacity (BTU) your home needs — roughly 40–45 BTU per square foot in a mixed climate. Larger homes need a bigger unit and more ductwork.
| Size | Columbia | Florence |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $2,750–$4,950 | $2,650–$4,800 |
| 1,500 sq ft (≈68,000 BTU) | $3,200–$5,650 | $3,100–$5,500 |
| 2,000 sq ft (≈90,000 BTU) | $3,650–$6,550 | $3,550–$6,350 |
| 2,500 sq ft (≈110,000 BTU) | $4,200–$7,500 | $4,100–$7,250 |
| 3,000 sq ft (≈130,000 BTU) | $4,750–$8,400 | $4,600–$8,150 |
| 3,500+ sq ft (≈150,000 BTU) | $5,300–$9,300 | $5,150–$9,000 |
These are 2026 planning figures for furnace replacement, localized to each city — not formal quotes.
Cheapest time for furnace replacement in either city
HVAC demand collapses in the mild shoulder seasons, so installers discount to keep crews busy. The most expensive time to buy is during a heat wave or cold snap, when a dead system forces a full-price emergency replacement.
How much should you really budget for HVAC in 2026?
Get the sizing wrong or the efficiency tier mismatched to your climate, and the price drifts fast in either direction. Below, a look at how those choices — plus brand markup — shape the real number.
The budget-first case
In a temperate region the smart move is to size the job correctly with a Manual J and take the base efficiency tier. A system that spends most days coasting can't recover the cost of a high-SEER2 compressor, because the savings only show up under heavy load you don't put on it. Match the equipment to how little you actually run it, not to the brochure's top number.
The longevity case
The single biggest cost driver isn't the brand — it's correct sizing and install quality. A properly sized, well-commissioned mid-tier system with annual maintenance outlasts an oversized premium unit that short-cycles. Spend on the install, not the badge.
The efficiency-first case
High runtime changes the math. In a demanding climate the extra efficiency of a heat pump or a top-tier SEER2/AFUE unit gets paid back month after month on the utility bill, and state and utility incentives can shave the upfront figure further now that the federal 25C/25D credits have expired. Price the lifetime bills, not just the tag, before you default down.
Skip the brand debate. A correctly sized system, an efficiency tier that fits your climate, and a properly commissioned install will save you more than any label ever could.
Columbia vs Florence
Is furnace replacement cheaper in Columbia or Florence?
In 2026, furnace replacement is cheaper in Florence at about $4,950, versus $5,100 in Columbia — a difference of about $150 (3%).
Why does furnace replacement cost more in Columbia than Florence?
The main driver is local labor rates: Columbia's labor index is 0.96 versus 0.93 in Florence. Climate zone (hot vs hot) also shift the total.
How much is furnace replacement in Columbia, SC?
Expect to pay $3,650 to $6,550 for furnace replacement in Columbia in 2026, averaging around $5,100.
When is the cheapest time to buy furnace replacement — and does it differ by city?
No, the seasonal pattern is the same in Columbia and Florence: book during Spring and fall (Mar–May, Sep–Oct) for about 5–15% in savings. Peak summer and mid-winter is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on furnace replacement cost?
Probably not. Yes, $150 is a real gap, but it's a one-time cost you can partly offset in Columbia with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik