Wood & Fiberglass Window Replacement cost: Janesville vs Madison (2026)
Janesville runs 3% lower than Madison for wood and fiberglass window replacement — expect around $17,500 in Janesville against $17,950 in Madison, a difference of about $450.
Janesville WI
Lower costTypically around $17,500
Madison WI
Typically around $17,950
Janesville vs Madison: full breakdown
| Factor | Janesville | Madison |
|---|---|---|
| Typical 2026 cost | $17,500 | $17,950 |
| Estimated range | $10,050–$24,950 | $10,300–$25,550 |
| Labor index (vs US) | ×0.96 | ×0.98 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $100 | $125 |
| Labor share | $9,650 | $9,850 |
| Materials/equipment | $7,850 | $8,100 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national wood and fiberglass window replacement range for local labor, climate and permits.
How much should this gap actually matter?
A 3% 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: Janesville vs Madison
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 | Janesville | Madison |
|---|---|---|
| Fiberglass | $10,050–$21,950 | $10,300–$22,500 |
| Composite | $11,050–$22,950 | $11,300–$23,500 |
| Aluminum-clad wood | $13,050–$26,950 | $13,350–$27,600 |
| Solid wood | $14,000–$29,950 | $14,350–$30,650 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
Wood and fiberglass window replacement by number of windows: Janesville vs Madison
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 | Janesville | Madison |
|---|---|---|
| 5 windows | $4,550–$11,050 | $4,700–$11,300 |
| 10 windows | $9,050–$20,000 | $9,300–$20,450 |
| 15 windows | $13,500–$27,950 | $13,850–$28,600 |
| 20 windows | $18,000–$35,900 | $18,450–$36,750 |
| 25+ windows (whole home) | $21,950–$44,850 | $22,500–$45,900 |
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
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?
Frame material, glass package and install type decide the price. Our editors on what's worth paying for.
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
Installation is where a window quote quietly makes or breaks itself. A pocket insert dropped into a deteriorating opening leaks no matter how good the unit is, while a full-frame replacement with correct flashing holds up. Choose the method that fits what's actually behind the trim, not the one that shaves the estimate.
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 qualify for rebates. Spend on the glass package before the frame upgrade.
Let your climate dictate the glass package, keep vinyl as the frame unless something specific rules it out, and hold the line on installation quality — that last one is the corner that comes back as drafts and leaks.
Janesville vs Madison
Is wood and fiberglass window replacement cheaper in Janesville or Madison?
In 2026, wood and fiberglass window replacement is cheaper in Janesville at about $17,500, versus $17,950 in Madison — a difference of about $450 (3%).
Why does wood and fiberglass window replacement cost more in Madison than Janesville?
The main driver is local labor rates: Madison's labor index is 0.98 versus 0.96 in Janesville. Climate zone (cold vs cold) and permit fees also shift the total.
How much is wood and fiberglass window replacement in Janesville, WI?
In Janesville, wood and fiberglass window replacement typically runs $10,050–$24,950 in 2026, with most homeowners paying around $17,500.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
No, the seasonal pattern is the same in Janesville and Madison: book during Late fall and winter for about 5–15% in savings. Spring and summer peak is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on wood and fiberglass window replacement cost?
That would be a stretch. $450 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Madison 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