Illumilite™
So clear, you’ll swear they’re HD.
Unmatched clarity.
Lighter weight.
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The Ultimate in Clear, Clean, Unbeatable Windows
Replacement windows that are easy to open, make your home comfortable year-round, and offer a level of clarity that’ll have you thinking it’s HD.
- Advanced glass technology reveals clearer outdoor views.
- Narrow, fiberglass-reinforced frames allow more light in your home.
- Lightweight layers mean sashes are easier to open and close.
See Why Homeowners Trust Window Nation
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Excellent job, Kaludia was very knowledgeable and informative on the product she is selling, she did very good information on the windows.
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Greg took time to explain and answer all our questions. He was very knowledgeable and patient.
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This gentleman is excellent nothing else to say. !
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Was very informative and addressed any and all questions I had with the process.
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The product looks great and the presentation was very good.

Brilliant Clarity Backed by Serious Protection
Illumilite windows are designed to offer triple-pane performance with the look and weight of double-pane.
- Uses Triton™ Advanced Triple Pane glass for incredible light weight, energy-efficiency, clarity, and soundproofing.
- Window sashes up to 45% lighter than comparable triple-pane windows
- Reduces outside noise pollution by 15% or more.
- Fiberglass reinforced frames deliver up to 9 times the strength and allow for more glass area than comparable windows.

Illumilite FAQs
Yes! Made by the trusted experts at Corning Glass, the Triton™ Advanced Triple Pane glass system includes integrated, micro-thin glass that delivers 5% more clarity than comparable windows, and up to 6 times less weight. The result? Strong, vibrant windows that are easy to open.
Yes! Illumilite windows are designed with dual-insulated glass chambers, a 45G spacer system, UltraCore™ polyurethane insulation, and triple weatherstrip barriers. All of that adds up to windows with unmatched levels of energy efficiency for reduced energy bills – and an end to those drafts you hate.
Yes! We’ve added FiberCore™ fiberglass reinforcements to our top-quality frame offerings, making them 9 times stronger! That means we can make them narrower, allowing for larger glass windows, so you’ll get lots of the natural light you love. Plus, they’re insulated to improve energy efficiency even further.
Yes! They are available in single-hung, double-hung, picture windows, slider windows and more. Like all our windows, they are custom-made to precisely match each opening in your home. Then our pro installers fit and seal them for a lifetime of dependability.
Yes! Every Illumilite window comes with a limited, lifetime warranty for years of peace-of-mind protection. Plus, the warranty is transferable, so even if you sell your home, you can tell the new owners about your smart decision to get Illumilite windows – and the remaining warranty protection.
We’re Award Winning Window Replacement Experts
Our Most Popular Windows

Double Hung
Our most popular window, double hung windows feature two separate window sashes that are “hung” at the top and bottom of the window.

Sliders
You can enjoy all the same benefits of other vertical opening windows with these vinyl replacement windows that slide horizontally.

Bay
Strong, durable vinyl bay windows customized specifically for your home. Save on energy bills while making a statement.

Bows
Similar to bays, bow windows have gradual curves not sharper angles, adding beauty to your home.

Garden
A replacement window option that provides the perfect place to showcase plants, grow herbs or simply add sunlight.

Specialty Shapes
Picture windows designed to fit unique openings. Selection includes half-circle, hexagon and triangle shapes.
Window Replacement Made Easy
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