Furnace Replacement cost: Birmingham vs Montgomery (2026)
Furnace replacement costs about the same in Birmingham and Montgomery in 2026 — roughly $5,050 in each.
Birmingham AL
Typically around $5,050
Montgomery AL
Typically around $5,050
Birmingham vs Montgomery: full breakdown
| Factor | Birmingham | Montgomery |
|---|---|---|
| Typical 2026 cost | $5,050 | $5,050 |
| Estimated range | $3,600–$6,500 | $3,600–$6,450 |
| Labor index (vs US) | ×0.95 | ×0.94 |
| Climate zone | Hot | Hot |
| Climate factor | ×0.95 | ×0.95 |
| Local permit | $200 | $200 |
| Labor share | $3,050 | $3,050 |
| Materials/equipment | $2,000 | $2,000 |
These are 2026 planning figures for furnace replacement, localized to each city — not formal quotes.
No real cost edge either way
The two metros are effectively a wash for furnace replacement — pick on contractor quality and timing, not location.
Furnace replacement by type: Birmingham vs Montgomery
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 | Birmingham | Montgomery |
|---|---|---|
| Gas furnace | $3,550–$6,400 | $3,500–$6,350 |
| High-efficiency gas furnace | $3,150–$6,400 | $3,150–$6,350 |
| Electric furnace | $2,000–$4,250 | $2,000–$4,200 |
Treat these as 2026 localized estimates for furnace replacement, not quotes from a contractor.
Furnace replacement by home size: Birmingham vs Montgomery
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 | Birmingham | Montgomery |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $2,700–$4,850 | $2,700–$4,850 |
| 1,500 sq ft (≈68,000 BTU) | $3,150–$5,600 | $3,150–$5,550 |
| 2,000 sq ft (≈90,000 BTU) | $3,600–$6,500 | $3,600–$6,450 |
| 2,500 sq ft (≈110,000 BTU) | $4,150–$7,400 | $4,150–$7,350 |
| 3,000 sq ft (≈130,000 BTU) | $4,700–$8,300 | $4,650–$8,250 |
| 3,500+ sq ft (≈150,000 BTU) | $5,250–$9,200 | $5,200–$9,150 |
All figures are 2026 localized planning estimates for furnace replacement — get an actual quote before you commit.
Cheapest time for furnace replacement in either city
Demand for HVAC work falls off a cliff in the shoulder months, and contractors discount to keep their crews booked. Wait for a 100-degree day or a hard freeze, though, and you're paying emergency rates for a system that just quit.
How much should you really budget for HVAC in 2026?
What you pay for HVAC hinges less on the badge than on how the quote is built — the load calculation behind it, the efficiency tier, and the markup. Our take on where each one lands.
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
Brand is a footnote; sizing and install quality write the story. A right-sized mid-tier system that's properly commissioned and serviced once a year will outlive an oversized premium unit that short-cycles itself to an early grave. Put the money into the crew and the setup rather than the nameplate.
Match the efficiency tier to your climate, insist on a real load calculation, and stack every rebate you qualify for. The expensive mistakes are wrong sizing and a rushed install — not picking the "wrong" brand.
Birmingham vs Montgomery
Is furnace replacement cheaper in Birmingham or Montgomery?
Not really — both cities land at almost the same number for furnace replacement, around $5,050 each.
Why does furnace replacement cost more in Montgomery than Birmingham?
The main driver is local labor rates: Montgomery's labor index is 0.94 versus 0.95 in Birmingham. Climate zone (hot vs hot) also shift the total.
How much is furnace replacement in Birmingham, AL?
Expect to pay $3,600 to $6,500 for furnace replacement in Birmingham in 2026, averaging around $5,050.
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 Birmingham and Montgomery (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?
There's no cost argument here between Birmingham and Montgomery — they're a wash. Focus on contractor reputation, project scope, equipment tier and timing.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik