Trim-A-Seal of Indiana, Inc., Roofing Contractors, Gary, IN
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New Windows, Window Replacement & Installation Made Easy

New Windows, Window Replacement
& Installation Made Easy

Trim-A-Seal Window Company has been installing energy efficient new and replacement windows throughout Northwest Indiana since 1950.  New windows are delicate addition to your home and come in an abundance of styles, shapes, and sizes. Not only do new windows have the ability to significantly reduce your heating and cooling bills using energy efficient technology, but they also have the power to completely transform both the interior and exterior your home. Rather than matching your home to a window, our company focuses on installing the right new or replacement windows to match your home.

So whether you’re looking for a small kitchen window to brighten up a dark room or searching for a wide bay or bow window that will illuminate your home with natural light, we’re happy to present our diverse collection of vinyl, wood and custom windows to suit your every need. Trim A Seal offers window installation and replacement window styles to fit every home and every budget.

Ask about our Energy Star, energy efficient window selection from Sunrise and Homeguard. We are proud to be one of Northwest Indiana’s leading window companies for over 60 years and look forward to serving you. Call today for a free estimate on your new windows.

Window Types

At Trim-A-Seal we carry hundreds of vinyl, wood and custom fit new and replacement window types, colors and styles – and all of the top name brands made in the U.S.A. like Sunrise, Armaclad, HomeGuard and more.

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Window Photo Gallery

With new or replacement windows from Trim-A-Seal you can not only prevent your home from losing heat in the winter time and air conditioning in the summer and lower your utility bills, but you can also update the overall look of your home.

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Window Type Diagrams

Trim-A-Seal has been a leading window installation company in northwest Indiana for over fifty years. We install every window including like Bay, Bow, Picture, Sliding, Casement, Double-Hung and Garden Windows.

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Window Brands

We’ve carefully selected top name brand windows made in the U.S.A. like Home Guard and Sunrise, that offer the highest quality manufacturing, energy efficiency and overall best performance and warranty coverage.

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  • Americana Building Products
  • CertainTeed
  • Home Guard Doors & Windows
  • Innovations for Living by Owens Corning
  • Gutter Helmet
  • Sunrise Windows
  • SunSetter Retractablw Awnings
  • Albany Doors