Trusted Texas Window & Door Replacement Since 1979

Clear views, steady temperatures, and quiet spaces begin with windows and doors designed for lasting comfort.

Free consultation and design guidance by a team that understands how much your home means to you.

Transform the Way Your Home Feels

Because mornings feel brighter through clear, beautiful glass.

Our residential window installation solutions and door replacements are crafted to handle heat, humidity, and unpredictable Texas weather while keeping your home quiet, comfortable, and efficient year-round.

Why Homeowners Choose Brennan

Beautiful, comfortable homes begin with quality materials and reliable installers. Brennan brings both to every project, which is why so many families trust our custom window installation service year after year.

Get Your Free Estimate

Family-Owned & Locally Operated Since 1979

Custom Windows & Doors That Elevate Comfort & Beauty

A Friendly, Pressure Free Experience That Protects Your Peace Of Mind

Clear Pricing & Helpful Guidance At Every Step

A Reputation Built On Referrals, Not Pushy Sales Tactics

Installations Focused On Quality & Long Term Performance For Your House

Craftsmanship That Stands the Test of Time

Comfort Backed by a Legacy of Trust

Four Decades of Experience

Thousands of verified five star reviews

Premium brands and made to order solutions

A+ BBB rating

Get Your Free Estimate

Reviews From Around the Block

“Brennan exceeded our expectations with the professionalism and quality of work. Truly, a great experience from start to finish.”

Riley G.

“The windows look so clear and beautiful! I could not be happier with the results and highly recommend Brennan for window replacement.”

Louise E.

“If you need a door or window in DFW you HAVE to use Brennan. They have great quality products and do an exceptional install job with their own crew-not contractors.”

Alex P.

A Simple, Worry-Free Process

Schedule Your Estimate

Pick a time that works for you. No obligation, no sales show.

Get Expert Guidance

We’ll walk you through design options, energy efficiency upgrades, and pricing clarity.

Enjoy the Results

Custom window installation services from trusted technicians, backed by a company Texans have relied on for over four decades.

Get Your Free Estimate

Our Mission

Craftsmanship You Can Count On

At Brennan, we believe residential window installation services and door replacements should be simple, transparent, and tailored to your home. We don’t chase storms or offer gimmicks; just genuine craftsmanship, dependable service, and a commitment to helping Texans feel comfortable in their homes.

Get Your Free Estimate