Serving Dallas homeowners since 1979 with expert installation, premium products, and a no-pressure approach to improving your home.
Old windows and doors aren’t just an eyesore—they can cause discomfort, higher energy bills, and frustration. Since 1979, Brennan has helped thousands of Dallas homeowners upgrade their homes with solutions that work.
Free EstimateBorn and raised in Texas—we know the climate, the codes, and the craftsmanship your Dallas home deserves.
We’ll help you choose the right windows or doors for your home, style, and budget—without pressure.
Our work enhances curb appeal, comfort, and peace of mind—all backed by great service.
Take a look at some of the beautiful homes we’ve helped transform across Dallas and the surrounding areas.
No surprises. Just dependable service, friendly professionals, and results you’ll love.
Fill out the form and we’ll contact you within one business day to answer your questions and schedule your free estimate.
Our reputation is built on trust, quality, and service. That’s why homeowners and industry experts continue to recognize us for our outstanding work. Below are some of our most recent awards.
Explore helpful resources to guide your window replacement journey.
We proudly serve the Dallas area with some of the best window and door solutions in the state. With decades of experience and a reputation for excellence, Brennan is your go-to local partner.
We offer window and exterior door replacement services to homeowners in Dallas, Texas and surrounding communities.
Headquartered in Arlington, Texas. Our office hours are Monday-Friday, 8AM-5PM.
Get peace of mind with answers to some of our most frequently asked questions.
We’re a Texas-based home improvement company that’s been helping homeowners upgrade their windows and doors since 1979. We’re known for our expert installation, top-rated products, and a pressure-free approach.
Yes! We’ve proudly served the Dallas-Fort Worth area for over 40 years. Our headquarters is in Arlington, and our teams are made up of Texas locals who know the region and its homes.
Monday-Friday, 8 AM to 5 PM
Monday-Friday, 8 AM to 5 PM. Appointments are not required but are recommended to ensure you can discuss products and questions with one of our product specialists.
We currently have one showroom located in Arlington, Texas, just blocks away from Globe Life Field and AT&T Stadium. For customers who are not located near Arlington, we do offer a virtual showroom.
Yes! We bring them to your consultation so you can see your options up close.
We do! Brennan offers several flexible payment options including low-interest and deferred-payment plans.
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Find the right products, trust the installation, and enjoy your home more—with Brennan in your corner every step of the way.