High-Performance Upgrades for Local Properties
Replace failing builder-grade windows with high-performance residential window upgrades. We lower your U-factor to maximize energy-savings year-round.
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Argon Gas Filled
Our premium argon gas fill creates a dense, invisible thermal barrier between panes, drastically reducing your winter heating bills.
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Low-E Glass Coatings
Advanced Low-E coatings actively reflect summer heat away from your home, protecting your interiors while maintaining perfect indoor temperatures.
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Air-Infiltration Barriers
Our frames are made with special channels inside of them to actively block cold air and drafts.
Structural Longevity for Older Mokena Homes
Enjoy effortless sash operation and lasting structural longevity. Upgrade those aging frames to maintenance-free vinyl.
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Maintenance-Free Window Frames
Say goodbye to scraping and painting. Our durable vinyl frames resist fading, warping, and peeling for truly maintenance-free exterior longevity.
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Smooth Sash Operation
Upgraded balance systems guarantee effortless, smooth sash operation every time, instantly resolving the sticking issues common in aging windows.
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UV-Blocking Glass
Protect your valuable furniture and hardwood floors from sun damage near Yunker Farm with our industry-leading, high-performance UV-blocking glass technology.
Why Customers Love Our Glass Block Installations
40+ YEARS EXPERIENCE
Serving Will & Cook County with expert window and glass block solutions for over 40 years.
5-STAR REVIEWED
Backed by top-tier ratings from local homeowners who trust our family-owned crews for punctual, immaculate, and professional workmanship.
LIFETIME WARRANTY
Relax knowing your project is fully protected by comprehensive manufacturer coverage alongside our elite structural craftsmanship guarantee.
TRUSTED EXPERTS
Local homeowners trust Legacy Glass Block & Window Co. for dependable service, expert installation, and lasting quality.
WHAT OUR CUSTOMERS SAY ABOUT OUR SERVICES
HOW OUR PROCESS WORKS
REQUEST A QUOTE
Tell us about your project and get a free consultation.
ON SITE MEASUREMENTS
We'll measure and help you choose the best options.
1-DAY INSTALLATION
We can usually install our projects in 1 day.
FINAL CLEAN UP
We clean up and double check our work.
REQUEST A FREE QUOTE
FLEXIBLE HOME IMPROVEMENT FINANCING
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Affordable Payments
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Zero Money Down
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0% Financing
