Wood & Fiberglass Window Replacement cost: Dover vs Nashua (2026)
Dover and Nashua are a near-perfect match on wood and fiberglass window replacement cost in 2026, both landing around $19,150.
Dover NH
Typically around $19,150
Nashua NH
Typically around $19,150
Dover vs Nashua: full breakdown
| Factor | Dover | Nashua |
|---|---|---|
| Typical 2026 cost | $19,150 | $19,150 |
| Estimated range | $11,000–$27,250 | $11,000–$27,250 |
| Labor index (vs US) | ×1.04 | ×1.04 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $125 | $125 |
| Labor share | $10,550 | $10,550 |
| Materials/equipment | $8,600 | $8,600 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
Basically a tie — focus on the contractor
This is a statistical tie on wood and fiberglass window replacement cost, so let contractor reputation and project timing decide, not geography.
Wood and fiberglass window replacement by type: Dover vs Nashua
Every wood and fiberglass window 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 | Dover | Nashua |
|---|---|---|
| Fiberglass | $11,000–$24,000 | $11,000–$24,000 |
| Composite | $12,050–$25,100 | $12,050–$25,100 |
| Aluminum-clad wood | $14,250–$29,450 | $14,250–$29,450 |
| Solid wood | $15,350–$32,700 | $15,350–$32,700 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
Wood and fiberglass window replacement by number of windows: Dover vs Nashua
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 | Dover | Nashua |
|---|---|---|
| 5 windows | $5,000–$12,050 | $5,000–$12,050 |
| 10 windows | $9,900–$21,850 | $9,900–$21,850 |
| 15 windows | $14,800–$30,550 | $14,800–$30,550 |
| 20 windows | $19,650–$39,200 | $19,650–$39,200 |
| 25+ windows (whole home) | $24,000–$49,000 | $24,000–$49,000 |
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
Installers discount labor in the slow winter months, and manufacturers layer rebates on top during the same stretch — buying off-season means catching both at once instead of neither.
How much should new windows really cost you?
A window budget rests on three choices — frame material, glass package and how it's installed. Our editors weigh in on where the money is well spent.
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 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 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.
Buy the glass package your climate needs, default to vinyl frames unless you have a reason not to, and never let install quality be the thing you cut to hit a number.
Dover vs Nashua
Is wood and fiberglass window replacement cheaper in Dover or Nashua?
There's no meaningful difference: wood and fiberglass window replacement runs about $19,150 in both places.
Why does wood and fiberglass window replacement cost more in Nashua than Dover?
It comes down to labor: Nashua indexes at 1.04 against Dover's 1.04. The cold-vs-cold climate difference adds to the gap.
How much is wood and fiberglass window replacement in Dover, NH?
wood and fiberglass window replacement in Dover runs $11,000–$27,250 as of 2026 — most jobs land near $19,150.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
Timing doesn't change by city here — Late fall and winter is the cheapest window in both Dover and Nashua, saving roughly 5–15%. Avoid spring and summer peak in either location, when emergency replacements push prices up.
Should I choose where to live based on wood and fiberglass window replacement cost?
Not on this basis — Dover and Nashua cost about the same. Weigh contractor quality, scope, equipment tier and timing instead.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik