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Energy-Efficient Window Replacement in New Lenox, IL 60451

BUILT FOR THE COLD

DESIGNED FOR WARMTH

Legacy Glass Block & Window Co. provides high-quality window replacement in New Lenox, IL 60451 designed to improve comfort, efficiency, and curb appeal.

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5-Star Google Rated

Licensed 

& Insured

Lifetime

Warranty

A luxurious home exterior at dusk featuring newly installed, energy-efficient black frame windows and custom landscape lighting, showcasing a premium window installation completed by Legacy Glass Block in New Lenox, IL.

WHY CHOOSE US

HOW WE CAN HELP

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40+ YEARS EXPERIENCE

Serving Chicagoland with expert basement window and glass block solutions for over 40 years.

5-STAR REVIEWED

Consistently rated 5 star reviewed window installation services and expert glass block solutions by Legacy Glass Block.

Chicagoland homeowners trust us for quality craftsmanship, reliable installation, and 5-star service.

LIFETIME WARRANTY

Lifetime warranty coverage on premium window installation and glass block services provided by Legacy Glass Block.

Backed by dependable lifetime warranty options for long-term peace of mind.

TRUSTED EXPERTS

Trusted expert window installation and glass block services provided by the professionals at Legacy Glass Block.

Local homeowners trust Legacy Glass Block & Window Co. for dependable service, expert installation, and lasting quality.

WHAT OUR CUSTOMERS SAY
HOW IT WORKS

REQUEST QUOTE

Tell us about your project and get a free consultation.

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WE MEASURE

We'll measure and help you choose the best options.

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YOUR INSTALLATION

We can usually install our projects in 1 day.

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CLEAN UP

We clean up and double check our work.

REQUEST A FREE QUOTE
FLEXIBLE FINANCING OPTIONS
Get your new window today.  Zero money down and 0% financing
Zero money down and 0% financing available for window, door, and siding installation — Legacy Glass Block & Window Co.

SEE THE DIFFERENCE  

TRANSFORM YOUR HOME INSIDE AND OUT

Old windows can drag down your home's comfort, appearance , and efficiency.  Our replacement windows deliver a noticeable difference you can see and feel.

A finished basement living area featuring old, drafty wood windows with severe glass condensation, representing the typical before condition prior to a premium window replacement by Legacy Glass Block in New Lenox, IL.
BEFORE
A beautifully remodeled finished basement flooded with natural light, featuring newly installed premium wood-finish replacement windows that showcase the stunning after transformation completed by Legacy Glass Block in New Lenox, IL.
AFTER

READY TO UPGRADE YOUR WINDOWS?

New Lenox homeowners know how important it is to keep basements protected from drafts, moisture, and outdated steel windows that can reduce comfort and energy efficiency. Many homes throughout New Lenox, including neighborhoods near the Sanctuary Club, Hibernia, Laraway Ridge, and areas surrounding Route 30 and Cedar Road, still have older basement windows that may allow water intrusion, air leaks, and poor insulation.

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At Legacy Glass Block & Window Co., we provide professional basement window replacement services designed specifically for the needs of Will County and Southwest Suburban Chicagoland homes. Our replacement windows are built for durability, improved ventilation, and long-term performance while helping give your basement a cleaner, more finished appearance.

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Whether you are upgrading old hopper windows, improving basement security, or replacing damaged frames with a durable New Lenox window replacement, our team proudly serves homeowners throughout New Lenox, IL (including the 60451 zip code) and nearby communities with expert craftsmanship and reliable installation.

A scenic view of the community in New Lenox, Illinois, where Legacy Glass Block provides expert, energy-efficient window replacement and installation services for local homeowners.
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