Tell us what you want to improve.
A local specialist will follow up to answer questions and schedule your home assessment.
Let's make your home more comfortable.
Tell us what you are considering. No pressure and no obligation.

Replacement Window Company in San Antonio, TX
A cooler, quieter home starts with better windows.
High-performance replacement windows installed by a trusted local team - without the pressure, runaround or surprise costs.

Local people.
Personal accountability.
Meet the San Antonio leadership team behind your quote, installation and ongoing support.
- A local team you can reach
- Clear project coordination
- Support after installation
See the difference in San Antonio homes.



"They came out to assess quickly and didn't push for anything that I didn't need."
Careful installation.Local support.Meet the team working on your home.Meet Our Team
A few windows or a
whole-home upgrade.
Start with the rooms that need it most. Your itemized quote shows the options for your home.
Focus on the rooms that feel hottest, draftiest or noisiest.
Explore the Cost GuideSee why local families recommend The Window Source for clear communication, professional installation and windows they are proud to show.
Read Customer StoriesCompare every style before you schedule.
Real product visuals make it easier to choose the operation, view and architectural look that fits your home.
View All Windows
Double Hung Windows
Classic style with two easy-clean operating sashes.
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Double Slider Windows
Wide views and smooth horizontal operation.
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Casement Windows
A tight seal with full ventilation and modern lines.
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Awning Windows
Top-hinged ventilation that works well in compact spaces.
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Picture Windows
Uninterrupted views and maximum natural light.
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Garden Windows
A bright dimensional space for plants and kitchen views.
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Single Hung Windows
Simple, efficient operation with classic curb appeal.
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Specialty Shape Windows
Custom architectural shapes for unique openings.
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Vinyl Windows
Low-maintenance frames with strong insulation and flexible finish options.
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Know what happens next.
- 1
Talk with our local team
Tell us your priorities and arrange an assessment.
- 2
Get a custom-measured quote
Compare products and an itemized project price.
- 3
Install with ongoing support
Our in-house team installs and stays available afterward.
One local team. Five ways to improve your home.
Start with one project or coordinate several upgrades with a team that stays accountable from consultation through service.
View All Services

Replacement Windows
Cooler rooms, less noise and everyday comfort.

Replacement Doors
A secure, energy-efficient welcome home.

Replacement Siding
Low-maintenance protection with lasting curb appeal.

Patio Covers
More shade and more usable outdoor living.

Seamless Gutters
Direct heavy rain away from your foundation.
Window expertise focused on your community.
Homes across Greater San Antonio face different combinations of heat, glare, noise, architecture and weather exposure. Explore guidance written around the places we serve.
Explore all service areasWindow solutions for historic neighborhoods, growing suburbs and homes exposed to intense urban heat.
Local window guideComfort-focused replacement windows for Hill Country-edge homes facing heat, glare and seasonal storms.
Local window guideEnergy-efficient windows and doors selected for Hill Country sun, views and distinctive architecture.
Local window guideHigh-performance window upgrades for fast-growing neighborhoods and established local homes.
Local window guideWindow replacement designed around comfort, curb appeal and busy northeast metro living.
Local window guideModern window and door options for newer communities, growing families and long-term efficiency.
Local window guideTrusted brands. Recognized performance.
We work with established manufacturers and recognized performance programs so product claims are backed by more than a sales pitch.
ENERGY STAR
Prodigy
NFRC
MI Windows and Doors
Ascend Siding
AAMAClear answers before anyone visits your home.
Still deciding? Call a local project specialist and get a straight answer without starting a sales appointment.
(210) 796-9574The cost to replace a window in San Antonio depends on the window's size, style, frame material, glass package and the condition of the opening. Custom sizes, specialty shapes and upgraded Low-E glass add to the price, while replacing several windows in one project can make each unit more efficient to install. A free in-home assessment gives you exact measurements and an itemized quote.
Late fall and winter are often the slower months for window installers, so scheduling can be more flexible then. San Antonio's mild winters make installation practical most of the year, and the bigger cost factors remain window count, style and glass. Planning ahead also gives you time to compare options calmly instead of rushing a decision before summer heat arrives.
The right window replacement company in San Antonio is one that measures every opening, explains glass and frame options clearly and gives you an itemized written quote. Check recent local reviews, ask who performs the installation and who handles service afterward, and compare quotes built on the same products and installation method so the prices are truly comparable.
Buying windows yourself and hiring a separate installer can look cheaper up front, but it splits responsibility for sizing, fit and any later problems between two parties. Replacement windows are custom-measured, and a mis-sized unit or poor seal can cancel out the product's energy performance. One company that measures, supplies and installs keeps accountability in a single place.
Window replacement time depends mainly on how many windows you are replacing, their sizes and styles, and the condition of the existing frames. Custom windows are made to measure, so the full project includes measuring, ordering and installation. Your installation plan and schedule are confirmed with you before work begins, so you know exactly what to expect on install day.
Yes. Current promotional financing offers $0 down and 0% interest for 72 months with approved credit; minimum contract $1,000. Financing lets you replace the windows that matter most now and pay over time instead of waiting through another hot summer. Our San Antonio team can walk you through the application and explain how the plan fits your project.
Ready for a more comfortable home?
Get clear options from a San Antonio team you can meet.
