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Voted DFW’s Favorite Window Company

Proud Winner – Gold Award, 2025 DFW Favorites

It’s Official—DFW Loves Our Windows!

We’re honored to be named DFW’s Favorite Window Company, and it’s all thanks to customers like you. Whether you’re replacing old windows or starting fresh, our team is here to make the process simple, smooth, and stress-free. Join the thousands of homeowners who trust us to make their homes more beautiful, comfortable, and energy-efficient each year.

Trusted by DFW Homeowners for Over 45 Years

Since 1979, thousands of Texas homeowners, builders, and contractors have trusted our family-owned company to deliver reliable window and door solutions—with no pressure, no hassle, and no surprises.

Here’s what you can expect when you work with us:

On-time, professional crews who treat your home with respect
Honest pricing and clear communication from start to finish
Beautiful, energy-efficient results you’ll love for years to come

If you're looking for a local, established team that does what they promise—you've just found them.

No pressure. Just friendly, expert service—every step of the way.

Your Project Starts Here

Complete the form below and a member of our team will reach out to schedule a free project estimate. This can be in-person, on zoom, or by phone.

Real Stories from Happy Homeowners

Matt and Colton did a great job installing my windows. I was impressed with everyone I encountered from start to finish. I had a great experience with the Brennan team and would recommend them to anyone and everyone!

Fred Stecker

Thomas and his crew were the most efficient, kind, and respectful people with whom I've crossed paths lately AND they are the best crew ever at installing windows!

Charlotte Duke

Fantastic craftsmen! They take pride in their work and go way above and beyond. They provide service with a great attitude and the install looks great!

Donald Allen

DFW's Favorite Window Company

Offering window and door replacement services to DFW homeowners. Contact Brennan Enterprises for a quote from a company trusted by thousands of Texas homeowners, builders, and contractors.

Showroom: Click here to visit our virtual showroom
Dallas-Fort Worth HQ: 2100 E Randol Mill Rd. Arlington, Texas 76011

Energy Efficient Windows

Affordable Black Windows and Doors

Homeowners who want black windows for there home have several options. Whether you choose a window with black interior and exterior or black exterior and white interior, we work with multiple vendors who can help you achieve the look you want.

Truly Texas Tough

If you prefer to buy local, there are a few things you should know about our favorite local option NT Window.

NT Windows was incorporated in 1990, their products are 100% Made in America, and they consistently rank on Window & Door magazine's annual Top 100 manufacturers list.

Manufactured in North Texas, this team offers beautiful vinyl windows that are energy-efficient, customizable, and easy to operate. As one of the biggest suppliers of NT Windows, our team is an excellent source for any questions you may have regarding NT Windows or other vinyl window options. Contact us to schedule a consultation.

Trusted by Homeowners, Builders, and Realtors

If you're considering Andersen Windows for your Houston area home. Start with a quote from Brennan. As one of Andersen's biggest partners, we're confident we can offer the best pricing for any Andersen window project in Texas. Contact us for a quote on any Andersen window or door products from Fibrex to E-Series, we'll make sure to find a solution that works for your home or budget.

Featured Services

Services

Residential Window Replacement

Upgrade your home's energy efficiency, curb appeal, and security with high-quality replacement windows. Get a custom solution tailored to your needs—hassle-free!

Get a Free Quote Today

Exterior Door Replacement

A beautiful, secure front door makes a lasting impression. Enhance your home's look and safety with a premium replacement door—designed just for you!

Get a Free Quote Today

Patio Door Replacement

Create a seamless connection between your indoor and outdoor spaces with stylish, energy-efficient patio doors. Enjoy beauty, security, and durability—tailored to your home.

Get a Free Quote Today

Frequently Asked Replacement Window & Door Questions

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:

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

LEARN MORE: 5 Reasons to Replace Your Windows

Do you do glass replacement?

We do not offer glass-only replacement services. If you are unsure if you only need your glass replaced or need complete new windows, give us a call. Our company focuses on full window replacement which means we take out the existing windows and install new windows (frames and glass sash).

LEARN MORE: Window Replacement vs. Glass Replacement

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.

Do you offer repair services?

We do not repair existing doors or windows. If you would like a free estimate for replacement windows or doors, please give us a call.

If you are an existing client and are having an issue with a product we’ve ordered and installed please contact our service department for assistance.

LEARN MORE: Dealing with Sticking Windows and Doors.

Project Gallery

Projects

Bold Bronze Vinyl Windows

See how creative this home owner got with their project. Beautiful bold bronze for the front of the home and a grid-free option in the back to maximize views of the pool.

A Timeless Look

This traditional brick home was updated with beautiful tan windows and a contemporary grid pattern. The new energy-efficient windows update the home while complementing the home's architecture.

Energy-Efficient Upgrade

Brand new windows for this classic beauty. This homeowner chose a classic white for their window upgrade which included several round top windows.

News, Product Reviews, and Insights

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.

4 Min Read

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.

3 Min Read

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.

4 Min Read

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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.

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