Fiberglass Windows in Irvine, CA
★★★★★ 5.0 on Google · 22 reviewsFiberglass windows are stronger and more stable than vinyl, with slimmer frames and paintable finishes, typically $1,100–$2,200 per window installed in Irvine. We serve all of Irvine (92602, 92603, 92604, 92606, 92612, 92614, 92618 and 92620) with free in-home estimates.
- Free in-home measure & written quote
- Title 24 energy-code compliant windows & doors
- Retrofit & full-frame installation
- Open Mon–Sat 9:00 AM – 5:00 PM
Fiberglass Windows for Irvine Homes
Fiberglass expands and contracts at nearly the same rate as glass, so seals stay tight through hot days and cool nights. The strength of the material allows narrower frames and larger glass areas, and factory finishes — including dark colors — resist fading in strong sun.
The marine layer keeps Irvine mild most of the year, but afternoon sun on west- and south-facing walls still drives heat gain, so Low-E glass with a low solar heat gain rating keeps those rooms comfortable.
Many Irvine neighborhoods have HOA or architectural review guidelines for frame colors, grid patterns and door styles — we provide product specs and drawings for your approval application.
$1,100–$2,200 per window installed
Last updated November 2026 · Prices are typical installed ranges, not quotes.
Pros
- Very strong and dimensionally stable
- Slimmer sightlines than vinyl
- Holds dark colors well
- Can be repainted
Things to consider
- Costs 30–60% more than vinyl
- Fewer manufacturers and styles
Best for: Homes with lots of sun exposure, dark exterior colors, and homeowners who want a longer-lasting premium frame.
More Window Replacement Options in Irvine
What Our Customers Say
★★★★★ 5.0 out of 5 from 22 Google reviews
“Replacing the windows made a bigger difference than I expected! The new ones have given the house a much more updated look, and I really like how the rooms feel with the brighter glass and fresh frames. The team was respectful and easy to work with throughout the window installation.”
“What a difference the replacement windows from Orange County Window Replacement have made! The front of the house looks so much better, and the rooms inside feel bright and welcoming. The frames and trim look great together.”
“Workers were very respectful and well priced. Everyone treated my property well.”
Frequently Asked Questions
How much do fiberglass windows cost in Irvine?
Fiberglass Windows typically cost $1,100–$2,200 per window installed in Irvine. We provide a free written quote after measuring your openings.
Are fiberglass windows a good fit for Irvine homes?
Fiberglass Windows are best for homes with lots of sun exposure, dark exterior colors, and homeowners who want a longer-lasting premium frame. The marine layer keeps Irvine mild most of the year, but afternoon sun on west- and south-facing walls still drives heat gain, so Low-E glass with a low solar heat gain rating keeps those rooms comfortable.
Will my Irvine HOA approve fiberglass windows?
Most Irvine HOAs approve fiberglass windows as long as the frame color and grid pattern match the community guidelines. We provide specs and samples for your application.
Get a free fiberglass windows estimate in Irvine
Free in-home estimates across Orange County · Mon–Sat 9:00 AM – 5:00 PM