Furnace Replacement cost: Fort Wayne vs Great Falls (2026)
In 2026, Fort Wayne and Great Falls land on nearly identical furnace replacement pricing — about $5,750 either way.
Fort Wayne IN
Typically around $5,750
Great Falls MT
Typically around $5,750
Fort Wayne vs Great Falls: full breakdown
| Factor | Fort Wayne | Great Falls |
|---|---|---|
| Typical 2026 cost | $5,750 | $5,750 |
| Estimated range | $4,100–$7,400 | $4,100–$7,350 |
| Labor index (vs US) | ×0.95 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.08 | ×1.08 |
| Local permit | $200 | $200 |
| Labor share | $3,450 | $3,450 |
| Materials/equipment | $2,300 | $2,300 |
These are 2026 planning figures for furnace replacement, localized to each city — not formal quotes.
No real cost edge either way
This is a statistical tie on furnace replacement cost, so let contractor reputation and project timing decide, not geography.
Furnace replacement by type: Fort Wayne vs Great Falls
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 | Fort Wayne | Great Falls |
|---|---|---|
| Gas furnace | $4,000–$7,300 | $4,000–$7,250 |
| High-efficiency gas furnace | $3,600–$7,300 | $3,550–$7,250 |
| Electric furnace | $2,250–$4,850 | $2,250–$4,800 |
Furnace replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Furnace replacement by home size: Fort Wayne vs Great Falls
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 | Fort Wayne | Great Falls |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $3,100–$5,550 | $3,050–$5,500 |
| 1,500 sq ft (≈68,000 BTU) | $3,600–$6,350 | $3,550–$6,350 |
| 2,000 sq ft (≈90,000 BTU) | $4,100–$7,400 | $4,100–$7,350 |
| 2,500 sq ft (≈110,000 BTU) | $4,700–$8,450 | $4,700–$8,350 |
| 3,000 sq ft (≈130,000 BTU) | $5,350–$9,450 | $5,300–$9,400 |
| 3,500+ sq ft (≈150,000 BTU) | $5,950–$10,500 | $5,900–$10,400 |
Furnace replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Cheapest time for furnace replacement in either city
A furnace or AC that dies mid-heat-wave gets replaced at whatever the on-call crew charges. One that gets swapped in April or October gets a competitive, unhurried quote instead.
How much should you really budget for HVAC in 2026?
Ask five contractors for an HVAC quote and you'll get five different numbers — usually because they disagree on sizing, efficiency and equipment tier. Here's how our editors think through those trade-offs.
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 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.
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.
Fort Wayne vs Great Falls
Is furnace replacement cheaper in Fort Wayne or Great Falls?
There's no meaningful difference: furnace replacement runs about $5,750 in both places.
Why does furnace replacement cost more in Great Falls than Fort Wayne?
The main driver is local labor rates: Great Falls's labor index is 0.95 versus 0.95 in Fort Wayne. Climate zone (cold vs cold) also shift the total.
How much is furnace replacement in Fort Wayne, IN?
Expect to pay $4,100 to $7,400 for furnace replacement in Fort Wayne in 2026, averaging around $5,750.
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 Fort Wayne and Great Falls (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 Fort Wayne and Great Falls — 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