"Anderson Renewal was ridiculously high like $30k. We went with Brennan. They offer different brands. We chose Anderson 100 series casement and LOVE them!"
The Best Window and Door Replacement Services in Texas
Join the ranks of thousands of happy Dallas-Fort Worth homeowners by booking your free consultation with the best window and door replacement company in Texas.
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Beat the Heat with Energy Efficient Windows & Doors
At Brennan, we understand that windows and doors are more than just functional elements of your home. That's why we offer a range of beautiful, modern and energy-efficient options for Dallas homeowners.
NT Windows & More
As a local company ourselves, we're proud to offer top-of-the line vinyl windows from Fort Worth windows manufacturer, NT Windows. That's not all though, looking for the best deals on Andersen windows in Dallas? Give us a call!
Custom Shapes & Sizes
Whether you need double-hung windows or casement windows, windows with privacy glass or a specialty shape like circle or arched windows—your Brennan consultant will find the right product for your unique need.
Fiberglass Doors & More
Ready for a beautiful new entry door or luxury folding or sliding patio doors to transform your outdoor living space? With Brennan, you have options! Design your dream door with options from best-in-class exterior door manufacturers.
What our clients have to say
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"I could not be happier with my experience with Brennan Enterprises. From the Salesperson, Kelly, to installer, Chris, the whole project could not have gone more smoothly."
"Brennan's sales rep was very knowledgeable of all of their window products: thus, she was able to answer all of our questions at the time of our initial meeting to receive a cost estimate."
Why Brennan
For over 45-years, we have installed hundreds of thousands of windows and doors throughout the entire Dallas-Fort Worth metroplex all while earning stellar reviews. Experience the 5-star customer service for yourself by scheduling a free consultation.
Top Quality Products
Whether you are looking for wood windows, specialty-shaped windows, or a new custom entry steel door, we have the customization options to provide the windows & doors you need for every project.
Experienced + Trusted
By choosing Brennan, you're working with a company that is not only a model of remodeling excellence in the DFW area, but also recognized as one of the most established remodelers in America.
Focus on the Client
Your referrals are the best compliment, so you'll always get our team's best effort. We encourage you to check out our reviews on Google or see what your neighbors are saying about us in the Nextdoor app.
Find your inspiration
Get a feel for what's possible with new windows and doors. Check out our completed projects to see what products your neighbors have chosen for their homes. What stands out? Each home is unique, and each homeowner chose windows that truly complement the features of their home—that is what The Power To Choose is all about.
New Forest Facelift
Check out this stunning transformation featuring new exterior paint and Andersen E-Series windows with black exterior in multiple shapes and sizes.
The Plano Riviera
The bronze windows are a perfect match for this absolutely gorgeous home. View the project to learn which Andersen windows we used on this home.
Valley Creek Casements
New black interior and exterior Andersen Fibrex® windows added a modern touch to this beautiful 1960's home. Check out the possibilities!
Watch our work
Our videos cover window and door pricing, installation, and product questions.
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We don't currently serve your area but do want to help you plan your project. Try our Build & Price tool to get an idea of window & door costs within DFW. Your area may be higher or lower but at least you'll have some idea of the price.
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“Excellent job. Quality installation. Very professional.” — Denise from Carrollton