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Southlake Window Replacement

Quality Windows & Doors since 1979

Serving Southlake, Texas

We love our friends in Southlake. Each year we help members of your community find quality replacement windows and exterior doors. Chances are, you know someone that has worked with us. When you are ready to begin your window or door project, reach out to us. We'd love to be your partner!

Why Brennan

For over 40 years, Brennan has offered professional quality window and exterior door replacement services. We are a family-owned business built on trust. We have an A+ rating with the BBB and have been accredited since 1982. That means you can be confident that we’ll take care of you every step of the way. Brennan offers a wide selection of products, including major brands and our exclusive custom window line. Ask about our interest-free financing and price-match guarantee.

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.

I love my Brennan windows, very trustworthy local company....

Emily A. from Southlake, TX
Initially, I had Brennan Enterprises replace some large windows in my house. The windows they sold me are high quality, and they did a great installation job. Soon,... I had them come back and replace all the other windows in the house. The windows look and function great.

Brian B. from Southlake, TX
Karen T. from Southlake, TX

Family Owned & Operated

Meet our Founder

Since 1979, our founder Kerry Brennan has remained at the helm of our company. As a single father, Kerry puts honesty and integrity first and treats his employees and customers like family. He has maintained a full-service operation with everything in-house to ensure that his customers come first in every step of their remodeling journey.

Meet Our Family

We’ve got a team of friendly, caring, responsive individuals. Our team includes experienced craftsmen, product consultants, and a fully staffed office with folks here to help you at every step in your remodeling journey including after the job is done.

The Brennan Story

We've been in business since 1979. As we have grown, we've remained customer-focused and committed to your satisfaction. At the same time, our team has remained a tight-knit family. We have 25 full-time employees and enough install teams to ensure you are taken care of without sacrificing quality or trust.

Frequently Asked Replacement Window & Door Questions

What should I look for when buying replacement windows?

There are four key factors to consider when purchasing replacement windows; efficiency, warranty, installation, and quality.

LEARN MORE: Replacement Windows Checklist

What should I look for when buying a new front door?

There are several key factors to consider when choosing a new front door, including the style, the door's material, the pros and cons of each, and the manufacturer.

LEARN MORE: Front Door Brands and Materials

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 exterior doors cost?

Pricing for made-to-order doors varies based on a number of factors. Door style is the most significant factor in determining front door and patio door pricing. The materials used, quality, glass package, and brand also affect the final cost.

LEARN MORE: Replacement Patio Door Prices: Gliding and French Patio Doors

News, Product Reviews, and Insights

Window Balances 101

A primary reason homeowners replace their windows is because there are windows in their homes that don't open easily or stay open. The most common cause of these problems is a defunct window balance.

12 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

Tempered Glass vs Laminated Glass

Tempered glass and laminated glass are two of the most common types of safety glass. If you’re in the process of building or upgrading your home you may have already been asked to choose some safety glass for some of your windows and doors.

5 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

©2024 Brennan Enterprises, Inc. 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