We're proud to offer professional window and door sales and installation services to homeowners in Westlake. We've worked in your community in the past and would love to be of service to you and your neighbors. With our large selection of windows and doors, you are sure to find something that you will love. If you aren't sure where to begin, our knowledgeable staff can help you. When you're ready to start your project give us a call, we look forward joining you on your home improvement journey.
Free EstimateWe offer the best home improvement experience for homeowners. We're a full-service company that handles the entire process. We'll make sure your window or door remodel runs as smoothly as possible so you can get back to enjoying your home. You won't notice we were ever there.
We offer a wide range of beautiful windows and doors to suit your design. All of our window partners offer ENERGY STAR rated solutions.
Whether you are building a single home or an entire neighborhood, we have the windows your clients will love. Choose from a variety of high-quality and energy-efficient products.
Boost your home’s energy efficiency and aesthetic appeal with a wide selection of replacement windows.
Secure and stylish exterior doors that are sure to make a lasting impression and improve the value of your home.
Whether it’s a patio enclosure or wall-to-door conversion our expert team can handle any transformation. Simply put, you dream it, we build it.
Quality and competitively priced solutions for architects, builders, contractors and DIYers.
When you are ready to upgrade your home, you need a reputable installer that you can trust. Since 1979, Brennan has offered top-quality service and installations to Texas homeowners.
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.
Landra P. from Arlington, TX
Jay S. from Frisco, TX
Dora S. from Northlake, TX
Brian B. from Southlake, TX
Joel T. from Grapevine, TX
Complete the form 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.
We offer a wide selection of windows and doors designed to match or complement the style of your home. Our experienced design consultants are specialists in helping you explore the best options—whether you want to maintain your home’s existing look or discover new possibilities to elevate its design.
Yes, Brennan offers several flexible payment options, including low-interest and deferred-payment plans.
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?
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