Wood & Fiberglass Window Replacement cost: Allentown vs Bethlehem (2026)
In 2026, Allentown and Bethlehem land on nearly identical wood and fiberglass window replacement pricing — about $18,150 either way.
Allentown PA
Typically around $18,150
Bethlehem PA
Typically around $18,150
Allentown vs Bethlehem: full breakdown
| Factor | Allentown | Bethlehem |
|---|---|---|
| Typical 2026 cost | $18,150 | $18,150 |
| Estimated range | $10,400–$25,850 | $10,400–$25,850 |
| Labor index (vs US) | ×0.99 | ×0.99 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $125 | $125 |
| Labor share | $10,000 | $10,000 |
| Materials/equipment | $8,150 | $8,150 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
A wash — choose on quality, not city
Neither metro has a cost edge on wood and fiberglass window replacement — spend your decision-making energy on the contractor, not the location.
Wood and fiberglass window replacement by type: Allentown vs Bethlehem
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 | Allentown | Bethlehem |
|---|---|---|
| Fiberglass | $10,400–$22,750 | $10,400–$22,750 |
| Composite | $11,450–$23,800 | $11,450–$23,800 |
| Aluminum-clad wood | $13,500–$27,900 | $13,500–$27,900 |
| Solid wood | $14,500–$31,000 | $14,500–$31,000 |
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: Allentown vs Bethlehem
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 | Allentown | Bethlehem |
|---|---|---|
| 5 windows | $4,750–$11,450 | $4,750–$11,450 |
| 10 windows | $9,400–$20,700 | $9,400–$20,700 |
| 15 windows | $14,000–$28,900 | $14,000–$28,900 |
| 20 windows | $18,650–$37,150 | $18,650–$37,150 |
| 25+ windows (whole home) | $22,750–$46,400 | $22,750–$46,400 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
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 efficiency case
Extreme climates are the one setting where premium glazing pays for itself over the years: triple-pane and gas-fill packages hold indoor temperatures steadier and trim the utility bill, with rebate eligibility a possible bonus on ENERGY STAR models. Between a better frame and better glass, the glass is where the payback lives.
The value case
Double-pane, low-E vinyl is the workhorse spec for a reason: it handles the vast majority of drafts and heat loss without the price jump of premium materials. When you're replacing every window at once and watching the total, it's the default that leaves the least on the table.
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.
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.
Allentown vs Bethlehem
Is wood and fiberglass window replacement cheaper in Allentown or Bethlehem?
Not really — both cities land at almost the same number for wood and fiberglass window replacement, around $18,150 each.
Why does wood and fiberglass window replacement cost more in Bethlehem than Allentown?
The main driver is local labor rates: Bethlehem's labor index is 0.99 versus 0.99 in Allentown. Climate zone (cold vs cold) also shift the total.
How much is wood and fiberglass window replacement in Allentown, PA?
wood and fiberglass window replacement in Allentown runs $10,400–$25,850 as of 2026 — most jobs land near $18,150.
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 Allentown and Bethlehem: 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?
Cost shouldn't be the deciding factor between Allentown and Bethlehem — they land at nearly the same price. Contractor reputation, scope, equipment tier and timing matter more.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik