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Door To Window Conversion

Door to Window Transformations For Your San Antonio Home

Whether you want to secure your home with fewer access points or have a door you never use anymore, transforming your current doors into a new window may be the right solution for you.

Contact Southwest Exteriors today to schedule a commitment-free consultation with a trusted San Antonio window and door specialist since 1989.

Check Out Our Work

Custom Windows with Expert Installation

Turning your existing door into a new window shouldn't be stressful. With Southwest Exteriors, your new windows will seamlessly fit in your home and look like they were always there.

Our high-quality windows from Marvin, ProVia, Anlin and more offer exceptional quality and style, with various window types like

  • Single and Double-Hung
  • Casement
  • Awning
  • Slider
  • Bay and Bow
  • Picture
  • Speciality Shapes

Choose the best window type to fit your space and customize it to fit you. With Southwest Exteriors, converting your door into a window is a breeze.

What We Do

  • Full door removal
  • Frame and header construction
  • Window installation
  • Trim, sheetrock and siding repair

What We Don't Do

  • Electrical
  • Plumbing
  • Door-to-Window Conversion

Explore Our Work

From windows, siding, doors, and more. Find inspiration for your transformation.

Hear From Our Happy Customers

    "The process was quick, easy & went smoothly. The communication is amazing."
    They communicate every step of the way. The installers were very pleasant & professional. They were careful with the surroundings & cleaned everything before leaving.
    - Jill C.
    "SW Exteriors was a great company to work with. They were professional, competent and helpful."
    The work was done on time with no issues and the entire team was responsive and dedicated to making us happy with the final results. Highly recommend them.
    - Scott & Kim H.
    "100% recommend! The other companies we got quotes from just made us feel like they only cared about making a sale."
    We met with three door companies before choosing SW Exteriors. They were very professional and personable. It was such an easy process and they are on top of their communication…I never had to follow up!
    - Brooke E.
    "You did our windows two years ago and now our doors!!!!"
    The installers were very polite, very professional, and I am very pleased with your company.
    - Luisa G.
    "Great products! Great service! And great staff!"
    They worked seamlessly together in tandum. They were fast, efficient, and hard working. I was extremely impressed that it only took them a few hours to replace 9 VERY OLD windows!
    - Mandy R.
    "Probably the most seamless home improvement project I have done!"
    From start to finish, things were communicated and happened on time. Crews were friendly and respectful of my premises. And I absolutely love my casement windows!
    - Kim I.
    "Extremely pleased - and I am a stickler for quality work."
    This was one of the best experiences I have had with a home construction contractor. The install crew was extremely efficient, and the teamwork was amazing to see. After 10 years, the windows look like new. Extremely pleased.
    - Bill J.
    "Everyone was professional, kind and very responsive!"
    They were professional and informative, not salesy, in the initial meeting, answering all my questions and showing me all options. They actually listened to what I wanted!
    - Shirley S.

Your 3-Step Plan

  • Contact us and schedule your free consultation

    Schedule your commitment-free consultation now to meet with an expert design consultant who will talk with you through your project and determine your wants, needs, and goals. You’ll receive expert recommendations and will never be pressured to make any decisions that same day. 

  • Start your project when you’re ready

    You’ll receive an exact price quote for your project the day of your consultation. This price will be good for seven days, and if you aren’t ready yet, you’ll have a secondary quote for your project for 30 days as well, so you’ll never have to rush into a decision.  

  • Sit back and enjoy the look you love coming home to

    You won’t have to worry or stress about anything regarding your San Antonio conversion project. We’ll keep you constantly updated on your project and educated on all our processes, and once it is complete, we promise you’ll have the best looking house in the neighborhood.

Start Your Journey With Us

Schedule An Appointment Today
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What Can You Expect?

1. Quick Contact: Expect a call or text shortly after completing this form during business hours (M-F 8a-8p, Sat 9a-3p), or by 9a the next day otherwise. No spam, guaranteed.

  • Easily add us to your contacts via the QR code above orrecognize our calls without hassle by adding us to your contact 210.301.1183

2. Project Discussion: We'll discuss your home improvement needs and suggest suitable steps forward. If we're not the best fit, we'll recommend alternatives.

3. Consultation Timing: Confirm a no-pressure, flexible consultation at a time that suits you, including weekends. 

Our Promise:
Experience zero sales pressure. We give you space to make the best decision for your home without rushed offers.

Fill out the form and let's get started on creating the home you've always wanted!