Window Replacement Near Lavon, TX - Sales & Installation
  • We chose Brennan Windows from the great reviews we read and they really delivered! There is a reason they have so many 5 star comments. ...
    Jennifer M. from Dallas, TX
  • The service is excellent. Professional advise is very helpful. Delivered on time or before. Installation is careful, clean. Professional workmanship, reliable service. Highly recommended!!...
    Lilla V. from Richardson, TX
  • Outstanding quality. Best in the business! Their team is very responsive and they did exactly what they said they would do,,,, would hire again for future projects!...
    G M. from , TX

Family Owned & Operated

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
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.

What do windows cost?

It’s difficult to give anyone a general price estimate because there are many factors that affect the cost of a window. Unless you’re purchasing stock windows from a big box store, window costs will vary based on the manufacturer, quality, materials used, style, and the type of glass package included. We have included a pricing example for Andersen 100 Series windows in the post linked below.

LEARN MORE: How Much Do Andersen 100 Series Windows Cost? 

How do you buy windows?

There are four primary considerations when purchasing new windows for your home; the materials used in the frames, type of windows, glass package, and your budget. Think about what you like and want then contact your local window pros to schedule a consultation.

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:

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

LEARN MORE: 5 Reasons to Replace Your Windows

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Thanks
     -Bobby

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