"Anderson Renewal was ridiculously high like $30k. We went with Brennan. They offer different brands. We chose Anderson 100 series casement and LOVE them!"
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43 YearsIn Business -
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Why Brennan
We install tens of thousands of windows and doors a year while earning 5 star reviews.
Top Quality Products
From vinyl to wood or aluminum, we have the windows & doors you need for every project.
Experienced + Trusted
By choosing Brennan, you're working with one of America's most established remodelers.
Focus on the Client
Your referrals are the best compliment, so you'll always get our team's best effort.
What our clients have to say
Read reviews
"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."
Find your inspiration
Get a feel for what's possible with new windows and doors.
Tudor Updates
Bronze replacement windows provided an instant lift to this client's curb appeal. Click to view more pictures.
Taking It All In
Looking for windows and doors that rival the beauty of your backyard? We can help you find them.
New Paint + New Windows
An Arlington couple transformed a 1986 red brick traditional home into a crisp, clean, on-trend estate
Featured Big Door
10' Centor Sliding Patio Door
Centor Integrated Sliding doors are a great choice for homeowners who enjoy luxury living. The sliding door design has a frameless fixed glass panel with an elegantly designed sliding panel. Choose between symmetrical or asymmetrical panels for a greater area of uninterrupted glass.
Browse doorsWatch our work
Our videos cover window and door pricing, installation, and product questions.
Recent blog posts
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“Excellent job. Quality installation. Very professional.” — Denise from Carrollton