Replacement Windows & Door Installation - Frisco, TX | Brennan
817-860-9767
  • Wesley J. from Frisco, TX
  • Had a great experience with our complete new window replacement. Many compliments from neighbors. Best decision we made since we bought our house in 1996. Were so happy, we went...
    Jay S. from Frisco, TX
  • I had a great experience from beginning to the end. The installers left the area cleaner than they found it! ;) The sales lady was extremely knowledgeable and super friendly!...
    Mary V. from Frisco, TX

Best Sellers

Best Sellers

Our Tradition Series Windows offer long-lasting quality and energy efficiency for Texas homes.

Improve the aesthetic and curb appeal with our Brennan's exclusive energy-efficient windows. Our Traditions Series windows made from sturdy vinyl composite and are available in specialty shapes, single and double-hung, casement, sliding, and picture styles, making these windows ideal for most projects.

A straightforward, classic design makes Brennan Signature Style Windows an easy choice.

Energy efficient with a simple, fusion-welded design to keep out water and air, these functional windows are available in specialty shapes, single-hung, and casement styles. This window will easily integrate into the design of any home.

Andersen E-Series windows are highly customizable with a variety of options to offer the perfect compliment to your home.

The Andersen E-Series is one of their most popular lines – and for good reason!

Constructed from wood and shielded by an aluminum outer layer and are available in 7 different styles, a variety of woods, colors, different shapes, and sizes, making them some of the most versatile and durable windows on the market.

Frequently Asked Replacement Window & Door Questions
How are replacement windows measured?

We take multiple horizontal and vertical measurements of the window to determine the smallest points of the window as well as the window depth. That allows us to order a properly sized window that’s not too big for the opening and not small enough to leave big gaps around the window frame.

What’s the window buying process like?

The window buying process is easier if you already have an idea of what type of windows you want. Consider how they should work and how you want them to look. Once you have an idea of what you’re interested in, you’ll schedule a meeting with a window consultant to discuss product options, measurements, and installation. After you sign a contract for your project your windows are ordered from the manufacturer and installation is scheduled after your windows are delivered.

LEARN MORE: 3 Things You Should Consider When Replacing Windows

What do windows cost?

It’s difficult to give anyone a general price estimate because there are many factors that affect the cost of a window. Unless you’re purchasing stock windows from a big box store, window costs will vary based on the manufacturer, quality, materials used, style, and the type of glass package included. We have included a pricing example for Andersen 100 Series windows in the post linked below.

LEARN MORE: How Much Do Andersen 100 Series Windows Cost? 

Do I need replacement windows?

Many homeowners choose to update their windows for aesthetic reasons but there are other reasons why you would need to update your window. If you’re dealing with some of these problems, you should buy replacement windows:

  1. Condensation between the glass.
  2. The windows are difficult to open or close.
  3. You’ve spotted rot around or on the window.

LEARN MORE: 5 Reasons to Replace Your Windows

News, Product Reviews, and Insights

Read More on Our Window & Door Blog
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Window Replacement vs Glass Replacement

Deciding whether to repair or replace your windows? You’re not alone. Find out what the difference is between these two services in this post.

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Should I Get Patio Doors with Built-In Blinds?

Patio doors with built-in blinds offer convenience and durability. They might be a great option for homes with kids and pets but they aren't for everyone.

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What Does the AAMA Certification Mean for Windows?

Wondering what AAMA Certification is for windows? The American Architectural Manufacturers Association sets industry quality and performance standards.

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Need Help?

Email an expert at hello@brennancorp.com

or call us at 817-860-9767

DFW 2100 E Randol Mill Rd. Arlington, Texas 76011

©2025 Brennan Enterprises. All rights reserved. Product specifications are believed to be accurate at the time of original publication. Consumers should verify specifications prior to purchase rather than rely on information on this website, which is not intended to be a final specification. Projected lead times are based on current production volumes and order backlogs, however there are still some lingering supply chain challenges and disruptions that are difficult to predict or model.

Star IconStar IconStar IconStar IconStar Icon“Excellent job. Quality installation. Very professional.” — Denise from Carrollton