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Patio Doors

San Antonio Patio Door Replacement

For lasting strength, beauty and efficiency in an affordable door system. Therma-Tru has a great variety of replacement patio doors.

Patio doors improve both the appearance and the function of your home.  Excellent in summer to open up your house, but with the new thermal glass technology your house remains insulated during winter.

There are several different patio door options including French, sliding and gliding patio doors.

Our professionals will handle the entire process from start to finish. We will help you choose the right door and explain the installation process.

We work with the leading manufacturers of doors to provide you with the highest quality products so that you will never have to worry about replacing your door again.

High-Quality Products from a Trusted Patio Door Company

With our quality patio doors you’ll get top-of-the-line performance and energy efficiency without ever having to scrape, sand or paint another door again.

Whether you prefer economical, low-profile sliding patio doors or love the luxurious look of hinged doors, our patio door company provides several different options that all come with premier benefits

Schedule your FREE in-home consultation (210) 549-4204.

Contact us today to learn more about our patio door replacement services and to schedule a free in-home consultation.

We are San Antonio’s expert replacement window and patio door installers.

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Call Us +1 (210) 549-4204

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Choose Your Door


Patio Doors

Patio doors improve both the appearance and the function of your home.  Excellent in summer to open up your house, but with the new thermal glass technology your house remains insulated during winter. There are several different patio door options including French, sliding, and gliding patio doors.

Key Features

  • High Efficiency Glass
  • Custom Design Options
  • Energy Efficient

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Entry Doors

Your front door is the focal point of your home, and we can help you choose the perfect new door to increase the value and curb appeal of your house. Here at The Window Source of San Antonio, we offer exceptional quality and service on every entry door we the install.

Key Features

  • Reliable
  • Durable
  • Limited Lifetime Warranty

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French Doors

Installing French doors are a terrific way to link the interior with the exterior of your home and make it look bigger and brighter. Particularly eye-catching they can be added to a room leading out onto the back garden or patio allowing sunlight to flood in and the warm breeze to flow through the house.

Key Features

  • Beautiful Design
  • Low E Glass Technology
  • Weather Resistant

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Storm Doors

Storm doors protect your entry door, keeping the elements out and the comfort in. Our professional-grade storm doors are crafted with thicker aluminum than the consumer-grade doors found at home improvement stores providing maximum energy efficiency.

Key Features

  • Enhanced Security
  • Customized Style Options
  • Energy Efficient

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