Furnace Replacement cost: Florence vs Mobile (2026)
Florence runs 2% lower than Mobile for furnace replacement — expect around $4,850 in Florence against $4,950 in Mobile, a difference of about $100.
Florence AL
Lower costTypically around $4,850
Mobile AL
Typically around $4,950
Florence vs Mobile: full breakdown
| Factor | Florence | Mobile |
|---|---|---|
| Typical 2026 cost | $4,850 | $4,950 |
| Estimated range | $3,450–$6,200 | $3,550–$6,350 |
| Labor index (vs US) | ×0.9 | ×0.93 |
| Climate zone | Hot | Hot |
| Climate factor | ×0.95 | ×0.95 |
| Local permit | $175 | $200 |
| Labor share | $2,900 | $2,950 |
| Materials/equipment | $1,950 | $2,000 |
Furnace replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
How much should this gap actually matter?
At 2%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for furnace replacement — focus on the contractor, not the city.
Furnace replacement by type: Florence vs Mobile
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 | Mobile |
|---|---|---|
| Gas furnace | $3,350–$6,100 | $3,450–$6,300 |
| High-efficiency gas furnace | $3,000–$6,100 | $3,100–$6,300 |
| Electric furnace | $1,900–$4,050 | $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: Florence vs Mobile
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 | Mobile |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $2,600–$4,650 | $2,650–$4,800 |
| 1,500 sq ft (≈68,000 BTU) | $3,000–$5,350 | $3,100–$5,500 |
| 2,000 sq ft (≈90,000 BTU) | $3,450–$6,200 | $3,550–$6,350 |
| 2,500 sq ft (≈110,000 BTU) | $3,950–$7,050 | $4,100–$7,250 |
| 3,000 sq ft (≈130,000 BTU) | $4,450–$7,900 | $4,600–$8,150 |
| 3,500+ sq ft (≈150,000 BTU) | $5,000–$8,750 | $5,150–$9,000 |
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?
Three factors move an HVAC quote more than anything else: how well it's sized, which efficiency tier you pick, and the brand markup. Our editors break down how they weigh each one.
The budget-first case
Size the system to your home with a Manual J calculation and buy the standard efficiency tier (80% AFUE / 14.3 SEER2). In a mild climate the cheaper unit pays off because you rarely run it hard — paying for premium efficiency you won't use is the most common way to overspend.
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.
If there's one takeaway, it's this: sizing and install quality decide whether an HVAC system performs, not the badge on the box. Get the load calculation right, match efficiency to climate, and take the rebates on offer.
Florence vs Mobile
Is furnace replacement cheaper in Florence or Mobile?
In 2026, furnace replacement is cheaper in Florence at about $4,850, versus $4,950 in Mobile — a difference of about $100 (2%).
Why does furnace replacement cost more in Mobile than Florence?
Labor rates explain most of it — 0.93 in Mobile vs 0.9 in Florence. A hot climate versus hot, along with differing permit costs, accounts for the rest.
How much is furnace replacement in Florence, AL?
furnace replacement in Florence runs $3,450–$6,200 as of 2026 — most jobs land near $4,850.
When is the cheapest time to buy furnace replacement — and does it differ by city?
No, the seasonal pattern is the same in Florence and Mobile: 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?
Not really — the $100 gap is one-time, and smart timing and tighter quotes in Mobile can shrink it. Factors that compound over time, like energy prices and home condition, deserve more weight than a single upfront difference.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik