Fiberglass Window Replacement Cost
Fiberglass windows represent the premium tier of window materials, offering exceptional durability, energy efficiency, and longevity. They expand and contract at the same rate as glass, ensuring a tight seal.
Low End
$700
Average
$900
High End
$1,200
*Per window, including installation
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Estimated Total Cost
$2,250 - $4,250
$450 - $850 per window
Pros
- Strongest frame material
- Exceptional energy efficiency
- Longest lifespan (30+ years)
- Can be painted
- Minimal expansion/contraction
- Low maintenance
Cons
- Higher initial cost
- Limited style options
- Fewer color choices
- Not as widely available
- Harder to find installers
Key Specifications
Lifespan
30-50 years
Maintenance
Very Low
Energy Rating
Excellent
Average Cost
$900
Factors That Affect Cost
| Factor | Impact on Price |
|---|---|
| Manufacturer | Premium brands cost more |
| Custom Colors | Factory painting adds $50-150 |
| Glass Package | Triple pane adds $100-200 |
| Frame Design | Specialty shapes cost more |
| Availability | Remote areas may have higher costs |
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