Thank you for your support for the past 60 years! We would like to repay you with A NEW SHOWROOM AT OUR CORPORATE LOCATION FEATURING OVER 70 DIFFERENT WINDOWS on display, including Bows, Bays, Garden Windows and our full line of Platinum windows! Please use our showroom to introduce your clients to our many products.
Now Available: Aluminum Windows
Did you know Lang Exterior offers aluminum windows? Perfect for commercial and residential uses, Ultra Tuff aluminum windows have an innovative thermal break, making them unbeatable for interior comfort and strength!
> See Ultra-Tuff Aluminum Double-Hung Windows > Check out Ultra-Tuff Aluminum Picture Windows
If Better Windows Could Be Built...
They would be built by Lang!
We manufacture the windows and patio doors we sell, right down to the insulated glass units! Click here to browse all our window types.
Look for the Lang Exterior Window Sticker!
You know it's a quality product when you see our logo! The image at left shows the sticker that comes on every window we make.
Remember that Lang Exterior products are and have always been made in USA! Learn more:
> VIDEO: Products made in USA
> VIDEO: IGU production at our factory - showing the Lang sticker applied to the glass as a final production step
Silence Is Golden
A window that truly keeps noise inside or out, and we have it: Silence is Golden. Add the SIG option to your windows today!
> More info and specs
> Browse Platinum windows
> Browse Glide patio doors
Renaissance: Casement Windows and More
Lang Renaissance casement windows feature thick 0.08 inch vinyl, collapsable handles, and opening angles extending to a full 90 degrees. Check out all Renaissance window styles:
> Renaissance Casement Windows
> Renaissance Awning Windows
> All Renaissance Window Styles
Our Most Popular Windows
View our best selling windows and make sure you check out all the woodgrain and color choices:
> Renaissance™ Series casement windows (shown)
> Platinum Series double-hung windows
> Powerweld Series double-hung windows
We Will Not Be Undersold!
Show us a lower price on a comparable window or patio door and we will beat that price by 10%!* That's our 10% price guarantee, and it proves how dedicated we are to the highest quality products at the lowest prices.
> Learn more about our price guarantee.
> Ask us about our price guarantee. (*Exclusions apply.)
Keep up with the most up to date savings offers when you like us on Facebook. Put the profit in your pocket with Lang Exterior!
How-To Videos by Lang Exterior
Learn how to clean the exterior of a Lang double-hung window. Learn about removing a sliding window sash and check out all of our other videos.
See Videos on Operating Lang Windows
More Videos: Inside Our Factories in Chicago, Illinois
Triple-Pane R5 Windows
U-Value .20!
R5 is the most energy efficient triple-pane option available.
Learn more about R5 triple pane windows and doors
View products with the R5 option:
Platinum Series
Powerweld Series
Renaissance Series
Glide Patio Doors
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