Local research · updated July 2026

Casement windows in San Antonio, Texas

Side-hinged sash that cranks outward like a door. For San Antonio's mixed-age housing stock (43.7% of homes predate 1980), casement window replacement is a common project — and in the ENERGY STAR South-Central zone, the number that matters most is a low SHGC (≤ 0.23) to block solar heat.

Short answer

Casement windows in San Antonio typically cost $530–$2,410 installed per opening. The low end is a mid-grade vinyl insert from a regional installer; the top is a premium frame, a full-frame installation, or a full-service national brand.

NREL REMDB + BLS PPI, localized to San Antonio (BEA Regional Price Parity, 2024). How we estimate →

$530–$2,410

installed range per opening for Casement window, from a mid-grade insert up to a premium or full-frame job

Source: NREL REMDB + BLS PPI, localized to San Antonio

43.7%

of San Antonio homes were built before 1980

Source: U.S. Census Bureau, 2019–2023 ACS 5-Year Estimates

SHGC ≤ 0.23

the ENERGY STAR v7.0 number that matters most in the South-Central zone

Source: EPA ENERGY STAR v7.0

Is a Casement window right for a San Antonio home?

Crank handle swings the full sash outward; locks compress the seal.

Where it fits:

  • Maximum ventilation — the whole opening opens
  • Tightest air seal of the common operable styles (compression seal)
  • Hard-to-reach placements like over kitchen sinks

What to weigh:

  • Projects outward — check clearance to walkways and screens
  • Hardware is the wear item; crank quality matters
  • Width limits — very wide openings need mulled units

Casement windows and San Antonio's climate

San Antonio sits in the ENERGY STAR South-Central zone (IECC zone 2A (hot, humid), Bexar County), where the priority is a low SHGC (≤ 0.23) to block solar heat.

A casement closes against a compression seal, the tightest of any operable window — good for holding conditioned air inside through a long South-Central-zone cooling season.

New to these numbers? See our plain-English guide to U-factor and SHGC and the full casement guide.

What Casement windows cost in San Antonio

Casement window replacement in San Antonio runs $530–$2,410 installed. The low end is a mid-grade vinyl insert from a regional installer; the top is a premium frame, a full-frame installation, or a full-service national brand. San Antonio is a large, competitive installer market, which tends to keep pricing more moderate than in tighter metros. Because much of the housing stock is newer, many jobs are insert-style replacements into sound existing frames rather than costlier full-frame tear-outs. The upgrades that add cost here are low-SHGC high-performance glass packages — which pay back through lower cooling bills — and, for homes with hail exposure, impact-rated or laminated glass, worth weighing against potential insurance premium credits for impact-resistant openings.

That's the national range shifted to San Antonio's cost level using the BEA Regional Price Parity for San Antonio-New Braunfels, TX (94.7, U.S. = 100; 2024). How we estimate local costs →

For a breakdown by frame material and install type, see our full cost guide.

Installers serving San Antonio

A sample of companies with locations in the San Antonio market. See the full San Antonio directory for all listings, our map, and featured-partner disclosures.

✓ Top PickPremier Partner

Renewal by Andersen Window Replacement

Renewal by Andersen4.8 · 200,000+ reviews

San Antonio, TX showroom · serving the San Antonio metro

Full-service manufacturer and installer, transferable warranty, local crews. Why it's our Top Pick

Get a quote →

1Champion Replacement Windows of San Antonio

San Antonio, TX · Champion

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2Pella Windows and Doors Showroom of San Antonio, TX

San Antonio, TX · Pella

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3Power Home Remodeling

San Antonio, TX · Power Home Remodeling

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4Window World TX

New Braunfels, TX · Window World

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5Window World TX

San Antonio, TX · Window World

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Listings compiled from manufacturer dealer locators and public business records. Premier and Sponsored Partners pay for placement and are labeled as such; star ratings shown are reported by the partner, with the source and date beside them. See our advertising disclosure. Contacting a company shares your details with it (or a vetted local installer) so it can reach you about your project.

Are you a window company? Claim your listing to take quote requests from San Antonio homeowners directly.

Rebates & incentives in Texas

The federal window tax credit (25C) ended for projects placed in service after December 31, 2025. If your windows were installed in 2025, you can still claim it on your 2025 return — but for new projects there is no federal window credit. State and utility programs are now the main source of window incentives.

Texas accepted IRA rebate funding but program rollout has lagged; check the State Energy Conservation Office for current status before counting on it. See our San Antonio guide for the full program list.

Casement windows in San Antonio: FAQ

›What efficiency numbers should a Casement window in San Antonio meet?

San Antonio sits in the ENERGY STAR South-Central zone (IECC 2A (hot, humid)). Qualifying units need a U-factor of 0.28 or lower and an SHGC of 0.23 or lower. A casement closes against a compression seal, the tightest of any operable window — good for holding conditioned air inside through a long South-Central-zone cooling season.

›How much does Casement window replacement cost in San Antonio?

A useful planning range for Casement window replacement in San Antonio is $530–$2,410 installed. The low end is a mid-grade vinyl insert from a regional installer; the top is a premium frame, a full-frame installation, or a full-service national brand. San Antonio is a large, competitive installer market, which tends to keep pricing more moderate than in tighter metros. Because much of the housing stock is newer, many jobs are insert-style replacements into sound existing frames rather than costlier full-frame tear-outs. The upgrades that add cost here are low-SHGC high-performance glass packages — which pay back through lower cooling bills — and, for homes with hail exposure, impact-rated or laminated glass, worth weighing against potential insurance premium credits for impact-resistant openings.

›Do I need a permit to replace Casement windows in San Antonio?

Replacement generally requires a permit, and new units must meet the current energy code. See our San Antonio guide for local permitting and rebate details, and always confirm your installer pulls the permit.

Sources

  • — U.S. Census Bureau, American Community Survey 5-Year Estimates (B25034, B25035)
  • — EPA ENERGY STAR Version 7.0 Residential Windows specification
  • — DOE/PNNL IECC climate zone assignments by county
  • — NREL residential window cost analysis (planning ranges)