Wood & Fiberglass Window Replacement cost: Billings vs Great Falls (2026)
The two metros aren't quite in sync on wood and fiberglass window replacement: Billings sits 1% above Great Falls, or roughly $17,500 versus $17,400 — about $100 apart.
Billings MT
Typically around $17,500
Great Falls MT
Lower costTypically around $17,400
Billings vs Great Falls: full breakdown
| Factor | Billings | Great Falls |
|---|---|---|
| Typical 2026 cost | $17,500 | $17,400 |
| Estimated range | $10,050–$24,950 | $10,000–$24,800 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $100 | $100 |
| Labor share | $9,650 | $9,550 |
| Materials/equipment | $7,850 | $7,850 |
Wood and fiberglass window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Is the price difference a dealbreaker?
A 1% difference on wood and fiberglass window 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.
Wood and fiberglass window replacement by type: Billings vs Great Falls
Each wood and fiberglass window 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 | Billings | Great Falls |
|---|---|---|
| Fiberglass | $10,050–$21,950 | $10,000–$21,850 |
| Composite | $11,050–$22,950 | $10,950–$22,850 |
| Aluminum-clad wood | $13,050–$26,950 | $12,950–$26,800 |
| Solid wood | $14,000–$29,950 | $13,950–$29,750 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national wood and fiberglass window replacement range for local labor, climate and permits.
Wood and fiberglass window replacement by number of windows: Billings vs Great Falls
Wood and fiberglass windows are a premium upgrade — figure roughly $800–$2,500 per window installed depending on material, size, and finish. Cost scales with the number of openings, and wood typically runs higher than fiberglass.
| Size | Billings | Great Falls |
|---|---|---|
| 5 windows | $4,550–$11,050 | $4,550–$10,950 |
| 10 windows | $9,050–$20,000 | $9,000–$19,850 |
| 15 windows | $13,500–$27,950 | $13,450–$27,800 |
| 20 windows | $18,000–$35,900 | $17,900–$35,700 |
| 25+ windows (whole home) | $21,950–$44,850 | $21,850–$44,600 |
Wood and fiberglass window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Cheapest time for wood and fiberglass window replacement in either city
Why fall and winter save money: installers are hungry for work and manufacturers are running promotions, and those two discounts happen to overlap in the same off-season window.
How much should new windows really cost you?
Not every dollar in a window quote buys the same thing. Our editors break down frame, glass and install method to show where the value actually is.
The efficiency case
In extreme climates, triple-pane or premium low-E/gas-fill glass pays back in comfort and bills — and ENERGY STAR units may unlock rebates. Spend on the glass package before the frame upgrade.
The value case
Vinyl, double-pane, low-E windows deliver most of the comfort and efficiency for the lowest price. For whole-home replacements on a budget, they're the sensible default.
The install case
A perfect window installed badly leaks and fails. Full-frame replacement with proper flashing beats a cheap pocket insert in a rotted opening — match the install method to your home's condition, not just the price.
Vinyl frames are the sensible default unless your situation says otherwise; the glass package is where climate-specific spending pays off. Install quality is the one place a discount always costs more later.
Billings vs Great Falls
Is wood and fiberglass window replacement cheaper in Billings or Great Falls?
Great Falls comes out ahead here, at roughly $17,400 for wood and fiberglass window replacement compared with $17,500 in Billings — a 1% ($100) gap as of 2026.
Why does wood and fiberglass window replacement cost more in Billings than Great Falls?
Labor rates explain most of it — 0.96 in Billings vs 0.95 in Great Falls. A cold climate versus cold accounts for the rest.
How much is wood and fiberglass window replacement in Billings, MT?
Expect to pay $10,050 to $24,950 for wood and fiberglass window replacement in Billings in 2026, averaging around $17,500.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
The best window is the same in both Billings and Great Falls: Late fall and winter, when demand drops and installers discount to keep crews busy — typically 5–15% off peak pricing. The most expensive time anywhere is an emergency replacement during spring and summer peak.
Should I choose where to live based on wood and fiberglass window replacement cost?
That would be a stretch. $100 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Billings can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik