Wood & Fiberglass Window Replacement cost: Chattanooga vs Knoxville (2026)
The two metros aren't quite in sync on wood and fiberglass window replacement: Chattanooga sits 1% above Knoxville, or roughly $16,950 versus $16,750 — about $200 apart.
Chattanooga TN
Typically around $16,950
Knoxville TN
Lower costTypically around $16,750
Chattanooga vs Knoxville: full breakdown
| Factor | Chattanooga | Knoxville |
|---|---|---|
| Typical 2026 cost | $16,950 | $16,750 |
| Estimated range | $9,700–$24,150 | $9,600–$23,850 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $100 | $100 |
| Labor share | $9,300 | $9,200 |
| Materials/equipment | $7,650 | $7,550 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
Is the price difference a dealbreaker?
At 1%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for wood and fiberglass window replacement — focus on the contractor, not the city.
Wood and fiberglass window replacement by type: Chattanooga vs Knoxville
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 | Chattanooga | Knoxville |
|---|---|---|
| Fiberglass | $9,700–$21,250 | $9,600–$21,000 |
| Composite | $10,700–$22,200 | $10,550–$21,950 |
| Aluminum-clad wood | $12,600–$26,050 | $12,450–$25,750 |
| Solid wood | $13,550–$28,950 | $13,400–$28,600 |
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: Chattanooga vs Knoxville
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 | Chattanooga | Knoxville |
|---|---|---|
| 5 windows | $4,450–$10,700 | $4,400–$10,550 |
| 10 windows | $8,750–$19,350 | $8,650–$19,100 |
| 15 windows | $13,100–$27,000 | $12,950–$26,700 |
| 20 windows | $17,400–$34,700 | $17,200–$34,300 |
| 25+ windows (whole home) | $21,250–$43,350 | $21,000–$42,850 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national wood and fiberglass window replacement range for local labor, climate and permits.
Cheapest time for wood and fiberglass window replacement in either city
Window crews go quiet once the weather turns cold, and manufacturers time their deepest promotions to the same months — so an off-season buyer stacks a labor discount on top of a rebate.
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
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.
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.
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.
Chattanooga vs Knoxville
Is wood and fiberglass window replacement cheaper in Chattanooga or Knoxville?
Yes — Chattanooga costs more. Expect around $16,950 for wood and fiberglass window replacement there against $16,750 in Knoxville, about $200 (1%) apart in 2026.
Why does wood and fiberglass window replacement cost more in Chattanooga than Knoxville?
Labor rates explain most of it — 0.96 in Chattanooga vs 0.95 in Knoxville. A mixed climate versus mixed accounts for the rest.
How much is wood and fiberglass window replacement in Chattanooga, TN?
wood and fiberglass window replacement in Chattanooga runs $9,700–$24,150 as of 2026 — most jobs land near $16,950.
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 Chattanooga and Knoxville (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?
That would be a stretch. $200 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Chattanooga 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