We Source Top-Notch Window Brands for Our Customers in Gary, IN & Other Northwestern Indiana Areas

Living room with lovely wood-trimmed bay window

At Trim-A-Seal, we carry hundreds of replacement windows from some of the top brands in the U.S.A. Proudly serving residents throughout Gary and surrounding Northwestern Indiana areas since 1950, we have the industry experience you can trust when the time comes to invest in new replacement windows for your home.

Top-Quality & Energy-Efficient Windows

We’ve carefully selected window brands that offer the highest quality manufacturing, energy efficiency, and performance on the market. These top-tier products are sourced from industry-leading manufacturers, including:

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Sunrise Vinyl Windows

Out of all of our distinguished window brands, Sunrise Windows is one of the most popular, as they manufacture an environmentally friendly product that is guaranteed for life. Best of all, we carry every type of vinyl replacement window available from Sunrise Windows at a price that you can afford. Even better, while most manufacturers only offer a five- to 10-year warranty, Sunrise offers a lifetime warranty for added peace of mind. These vinyl windows feature frames that are made from solid PVC with eco-friendly polyurethane foam-filled extrusions that have been proven to provide higher R-values than other PVC windows—a benefit that can potentially decrease your monthly energy bills.

Trim-A-Seal—Your Window, Door & Siding Store

Call today for a free, in-home estimate on new replacement windows. You can also visit our showroom to view our top-selling window brands, types, and styles. And, don’t forget to ask about our low-price guarantee and our Sunrise Windows Lifetime Non-Prorated Transferable Warranty.

“Thank you! The entire project was done to perfection. You literally created a brand new house for us. The siding, gutters, soffit, fascia, Windows, and new front door were all exactly what we expected. Your workers really took their time and it shows in the finished product. Our salesman Bruce excels at customer service. He spent the time explaining their products and made us feel that we were his #1 priority. You've earned lifetime customers!”

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“We give Adam and Richard a A+, great job enjoyed them being here on time ,friendly , explied well, couldn't ask for more!”

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Corporate Office
1500 Polk Street
Gary, IN 46407
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