San Antonio's Local Window Replacement CompanySan Antonio Window Replacement $0 down, 0% for 72 mo.* Limited-time financing: $0 down and 0% interest for 72 months*View options
San Antonio's Local Window Replacement CompanySan Antonio Window Replacement $0 down + 0% interest for 72 months* View financing
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San Antonio home with upgraded windows and exterior

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.

Call (210) 796-9574
★★★★★
Excellent local reviewsTrusted by San Antonio homeowners
2,000+Local families served
Your information stays private and local.
Double lifetime warrantyTransferable protection
Excellent sound insulationQuieter rooms, less street noise
South Texas performanceBuilt for heat and storms
ENERGY STAR ratedProven efficiency
★★★★★
Excellent local reviewsHomeowners across Greater San Antonio

See why local families recommend The Window Source for clear communication, professional installation and windows they are proud to show.

Read Customer Stories
Start with what is bothering you

What would you like to fix first?

You do not need to know window terminology. Choose the problem and we will help narrow the right solution.

Recommended focus

Heat-rejecting Low-E glass

Reduce solar heat gain and help rooms stay more comfortable through long Texas summers.

The Window Source difference

Know who is responsible for every window.

Great glass can underperform when installation and service are treated as someone else's job. Our local team stays with you from first measurement through future warranty support.

  • One accountable local team
  • No third-party installation handoff
  • Warranty service handled locally
What to compare The Window Source Typical national chain
Installation team In-house, master-certified crews May be handed to subcontractors
Window construction Steel reinforcement is standard Often sold as an upgrade
Warranty Transferable double lifetime coverage Coverage may end at resale
Service after installation Local team handles support Multiple companies or call centers
Consultation Education-first and no pressure Same-day sales incentives are common
Real local experiences

San Antonio homeowners say it best.

Excellent
★★★★★
Based on 150+ customer reviews
★★★★★
Alex and his crew did a phenomenal job installing energy-efficient windows in our home of 21 years. I highly recommend them.
VJ
Victor JonesVerified customer - Window replacement
1 / 3
Completed San Antonio window project
See the work behind the reviewsInstallation stories and customer walkthroughs
A straightforward process

From first question to final walkthrough.

You always know what comes next and who is responsible.

Tell us what you want to improve

A short conversation helps us understand comfort, style and budget.

Get a precise home assessment

We measure each opening and show clear product and financing options.

Your in-house team installs

Certified installers protect your home, fit every unit and clean the work area.

We stay available after the job

Local service and transferable warranty protection provide long-term peace of mind.

New: project planning tool

Plan your project before the appointment.

Many window sites hide every useful detail behind a form. This quick planner helps homeowners define scope and priorities first, so the consultation starts with better answers.

Takes about 60 seconds. No email required to explore.
130+
What matters most?
Your starting point Multi-room project

10 windows with a focus on comfort.

Final pricing requires an in-home measurement and product selection.
Products and credentials homeowners can verify

Trusted brands. Recognized performance.

We work with established manufacturers and recognized performance programs so product claims are backed by more than a sales pitch.

6800 Fairgrounds Parkway San Antonio, TX 78238 6800 Fairgrounds ParkwaySan Antonio, TX 78238Get directions
Local service, regional reach

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 areas
Common questions

Clear answers before anyone visits your home.

Still deciding? Call a local project specialist and get a straight answer without starting a sales appointment.

(210) 796-9574

The 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.

Your next step is free

See what better windows can do for your home.

Schedule a no-pressure assessment with a local expert. We will measure, answer questions and give you clear options.

No obligation Clear options Local support
Free home assessment

Tell us about your project.

Share a few details and our local team will follow up to answer questions and schedule your assessment.

Your information stays private and local.