Wood & Fiberglass Window Replacement cost: Denver vs Longmont (2026)
Budget-wise, wood and fiberglass window replacement in Denver ($19,800) runs 8% more than in Longmont ($18,350), a roughly $1,450 spread.
Denver CO
Typically around $19,800
Longmont CO
Lower costTypically around $18,350
Denver vs Longmont: full breakdown
| Factor | Denver | Longmont |
|---|---|---|
| Typical 2026 cost | $19,800 | $18,350 |
| Estimated range | $11,350–$28,250 | $10,550–$26,150 |
| Labor index (vs US) | ×1.08 | ×1 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $125 | $125 |
| Labor share | $10,900 | $10,100 |
| Materials/equipment | $8,900 | $8,250 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national wood and fiberglass window replacement range for local labor, climate and permits.
Is the gap worth worrying about?
A 8% 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: Denver vs Longmont
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 | Denver | Longmont |
|---|---|---|
| Fiberglass | $11,350–$24,850 | $10,550–$23,000 |
| Composite | $12,500–$26,000 | $11,550–$24,050 |
| Aluminum-clad wood | $14,750–$30,500 | $13,650–$28,200 |
| Solid wood | $15,850–$33,850 | $14,700–$31,350 |
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: Denver vs Longmont
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 | Denver | Longmont |
|---|---|---|
| 5 windows | $5,200–$12,500 | $4,800–$11,550 |
| 10 windows | $10,250–$22,600 | $9,500–$20,950 |
| 15 windows | $15,300–$31,600 | $14,150–$29,250 |
| 20 windows | $20,350–$40,600 | $18,850–$37,550 |
| 25+ windows (whole home) | $24,850–$50,700 | $23,000–$46,950 |
Wood and fiberglass window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
What windows pros earn in each metro
Roughly 55% of what you pay for wood and fiberglass window replacement is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
Denver-Aurora-Centennial metro · about 15% above the US average installer wage.
No BLS metro wage series for Longmont; we use Colorado regional price parity instead.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
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?
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
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 install case
The best window on the market still fails when it's set into a bad opening without proper flashing. If the existing frame is rotted, a full-frame replacement that reseals the opening outlasts a cheap pocket insert every time — let the home's condition, not the lowest bid, decide the method.
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.
Spend where it counts — the glass package for your climate — and don't default to a premium frame material without a reason. Whatever you do, don't cut install quality to hit a budget number.
Denver vs Longmont
Is wood and fiberglass window replacement cheaper in Denver or Longmont?
Yes — Denver costs more. Expect around $19,800 for wood and fiberglass window replacement there against $18,350 in Longmont, about $1,450 (8%) apart in 2026.
Why does wood and fiberglass window replacement cost more in Denver than Longmont?
It comes down to labor: Denver indexes at 1.08 against Longmont's 1. The cold-vs-cold climate difference adds to the gap.
How much is wood and fiberglass window replacement in Denver, CO?
In Denver, wood and fiberglass window replacement typically runs $11,350–$28,250 in 2026, with most homeowners paying around $19,800.
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 Denver and Longmont (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?
Rarely. The $1,450 difference is real but one-time, and you can often close most of it in Denver by buying in the off-season and getting tighter, apples-to-apples bids. Ongoing factors — energy prices, climate and home condition — matter more over the life of the system.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik