Wood & Fiberglass Window Replacement cost: Boise City vs Idaho Falls (2026)
The two metros aren't quite in sync on wood and fiberglass window replacement: Boise City sits 2% above Idaho Falls, or roughly $17,750 versus $17,400 — about $350 apart.
Boise City ID
Typically around $17,750
Idaho Falls ID
Lower costTypically around $17,400
Boise City vs Idaho Falls: full breakdown
| Factor | Boise City | Idaho Falls |
|---|---|---|
| Typical 2026 cost | $17,750 | $17,400 |
| Estimated range | $10,200–$25,250 | $10,000–$24,800 |
| Labor index (vs US) | ×0.97 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $125 | $100 |
| Labor share | $9,750 | $9,550 |
| Materials/equipment | $8,000 | $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?
2% is within noise for wood and fiberglass window replacement — contractor selection and timing move the price more than which of these two metros you're in.
Wood and fiberglass window replacement by type: Boise City vs Idaho Falls
We localize each wood and fiberglass window replacement type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Boise City | Idaho Falls |
|---|---|---|
| Fiberglass | $10,200–$22,250 | $10,000–$21,850 |
| Composite | $11,200–$23,250 | $10,950–$22,850 |
| Aluminum-clad wood | $13,200–$27,300 | $12,950–$26,800 |
| Solid wood | $14,200–$30,300 | $13,950–$29,750 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
Wood and fiberglass window replacement by number of windows: Boise City vs Idaho 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 | Boise City | Idaho Falls |
|---|---|---|
| 5 windows | $4,650–$11,200 | $4,550–$10,950 |
| 10 windows | $9,200–$20,250 | $9,000–$19,850 |
| 15 windows | $13,700–$28,300 | $13,450–$27,800 |
| 20 windows | $18,250–$36,350 | $17,900–$35,700 |
| 25+ windows (whole home) | $22,250–$45,400 | $21,850–$44,600 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
Cheapest time for wood and fiberglass window replacement in either city
Two things line up in fall and winter: installers have open calendars and need the work, and manufacturers run their best promotions of the year. Buy then and you get both breaks at once.
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 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.
The efficiency case
Where winters bite or summers punish, upgrading the glazing — triple-pane or a gas-filled low-E package — returns real money on heating and cooling bills, and ENERGY STAR-rated units can open the door to rebates. Put that upgrade money into the glass before you spend it on a fancier frame.
Frame material is the safe place to economize; the glass package and the install are not. Pick glazing for the weather you actually live with, stay with vinyl unless there's a real reason to move up, and don't buy your way under budget by accepting a rushed install.
Boise City vs Idaho Falls
Is wood and fiberglass window replacement cheaper in Boise City or Idaho Falls?
Idaho Falls wins on price: wood and fiberglass window replacement runs about $17,400 there versus $17,750 in Boise City, a gap of roughly $350 (2%) as of 2026.
Why does wood and fiberglass window replacement cost more in Boise City than Idaho Falls?
Boise City's higher labor index (0.97 vs 0.95 in Idaho Falls) is the biggest factor, with the cold/cold climate split and permit fee differences playing a smaller role.
How much is wood and fiberglass window replacement in Boise City, ID?
Boise City homeowners can expect $10,200 to $25,250 for wood and fiberglass window replacement in 2026, with $17,750 the typical number.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
It doesn't vary by location — Late fall and winter is the discount window in both Boise City and Idaho Falls (roughly 5–15% off), while spring and summer peak tends to be the most expensive in either city.
Should I choose where to live based on wood and fiberglass window replacement cost?
Probably not. Yes, $350 is a real gap, but it's a one-time cost you can partly offset in Boise City with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik