Furnace Replacement cost: Florence vs Mount Pleasant (2026)
In 2026, furnace replacement is about 8% less expensive in Florence than in Mount Pleasant. Most homeowners pay around $4,950 in Florence versus $5,350 in Mount Pleasant — a gap of roughly $400.
Florence SC
Lower costTypically around $4,950
Mount Pleasant SC
Typically around $5,350
Florence vs Mount Pleasant: full breakdown
| Factor | Florence | Mount Pleasant |
|---|---|---|
| Typical 2026 cost | $4,950 | $5,350 |
| Estimated range | $3,550–$6,350 | $3,800–$6,850 |
| Labor index (vs US) | ×0.93 | ×0.99 |
| Climate zone | Hot | Hot |
| Climate factor | ×0.95 | ×0.95 |
| Local permit | $200 | $225 |
| Labor share | $2,950 | $3,200 |
| Materials/equipment | $2,000 | $2,150 |
Furnace replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Is the gap worth worrying about?
A 8% difference on furnace replacement is minor — you'll typically see a wider spread just from getting multiple quotes in the same city, so don't let location drive the decision.
Furnace replacement by type: Florence vs Mount Pleasant
Each furnace replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Florence | Mount Pleasant |
|---|---|---|
| Gas furnace | $3,450–$6,300 | $3,700–$6,750 |
| High-efficiency gas furnace | $3,100–$6,300 | $3,350–$6,750 |
| Electric furnace | $1,950–$4,150 | $2,100–$4,450 |
Treat these as 2026 localized estimates for furnace replacement, not quotes from a contractor.
Furnace replacement by home size: Florence vs Mount Pleasant
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 | Florence | Mount Pleasant |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $2,650–$4,800 | $2,850–$5,150 |
| 1,500 sq ft (≈68,000 BTU) | $3,100–$5,500 | $3,350–$5,900 |
| 2,000 sq ft (≈90,000 BTU) | $3,550–$6,350 | $3,800–$6,850 |
| 2,500 sq ft (≈110,000 BTU) | $4,100–$7,250 | $4,400–$7,800 |
| 3,000 sq ft (≈130,000 BTU) | $4,600–$8,150 | $4,950–$8,700 |
| 3,500+ sq ft (≈150,000 BTU) | $5,150–$9,000 | $5,500–$9,650 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
Cheapest time for furnace replacement in either city
Crews are busiest — and priciest — exactly when it's hottest or coldest, since that's when systems fail under load. Book in the mild months and you're negotiating from a position of choice, not a broken furnace.
How much should you really budget for HVAC in 2026?
An HVAC budget isn't one number — it's a set of trade-offs between sizing accuracy, efficiency tier and brand. Our editors walk through how each one moves the price.
The budget-first case
Run a Manual J load calculation, then buy the standard tier — 80% AFUE, 14.3 SEER2 — and stop there. Where summers are short and winters are gentle, the equipment idles most of the year, so premium efficiency never gets enough runtime to earn back its price. Paying for SEER2 you'll rarely tap is the classic way a mild-climate homeowner overspends.
The efficiency-first case
Where you face brutal summers or hard winters, a higher SEER2/AFUE system or a heat pump runs enough hours to claw back its premium through lower bills — and utility or state rebates can still trim the sticker even though the federal 25C/25D credits closed at the end of 2025. Do the payback arithmetic before you reach for the cheapest box on the lot.
The longevity case
The most expensive variable on the quote isn't the logo — it's whether the system is sized right and installed well. Oversize a premium unit and it short-cycles, wears fast and underperforms; commission a correctly sized mid-tier one and keep up the annual service, and it simply lasts longer. Spend on the installation, not the badge.
The brand on the unit matters far less than getting the sizing and installation right. Insist on a Manual J calculation, match efficiency to your climate, and claim every rebate available.
Florence vs Mount Pleasant
Is furnace replacement cheaper in Florence or Mount Pleasant?
Florence wins on price: furnace replacement runs about $4,950 there versus $5,350 in Mount Pleasant, a gap of roughly $400 (8%) as of 2026.
Why does furnace replacement cost more in Mount Pleasant than Florence?
It comes down to labor: Mount Pleasant indexes at 0.99 against Florence's 0.93. The hot-vs-hot climate difference, plus permit fees, adds to the gap.
How much is furnace replacement in Florence, SC?
In Florence, furnace replacement typically runs $3,550–$6,350 in 2026, with most homeowners paying around $4,950.
When is the cheapest time to buy furnace replacement — and does it differ by city?
It doesn't vary by location — Spring and fall (Mar–May, Sep–Oct) is the discount window in both Florence and Mount Pleasant (roughly 5–15% off), while peak summer and mid-winter tends to be the most expensive in either city.
Should I choose where to live based on furnace replacement cost?
Rarely. The $400 difference is real but one-time, and you can often close most of it in Mount Pleasant by buying in the off-season and getting tighter, apples-to-apples bids. Ongoing factors — energy prices, climate and home condition — matter more over the life of the system.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik