Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Elmendorf
Window replacement in Elmendorf runs between $450 and $1,900 per opening for most homes, with full frame work on older ranch houses landing higher than insert jobs on newer tract builds. The number that matters more in this town is the one tied to the ground under the house, because Elmendorf’s gumbo clay moves every season and moves window frames with it. We schedule free estimates across 78112 six days a week, and a live person answers when you call (888) 635-0804. If you’re dealing with fogged glass, sashes that bind in August, or seals that quit a year after the last crew left, we’ll tell you straight what’s going on before we ever quote a number.
Why TruePane Windows & Doors Is Elmendorf’s Preferred Window Replacement Company
We’ve worked enough homes off Old Corpus Christi Road and along the US-181 corridor to know that a window problem in Elmendorf is rarely just a window problem. It’s usually the clay under the slab, or the original aluminum frame from 1979, or a drainage path that got buried when the ground shifted. Dale Kessler founded TruePane in 2008 on a rule that still names the company: if the pane is not true, the job is not done. That standard travels with every crew we send into Bexar County’s southeast corner.
Homeowners here tend to have lived in their houses for twenty or thirty years. They’ve had contractors come and go. What they tell us they value most is that we answer the phone, show up when we say, and put both warranty layers in writing before the truck leaves the driveway. We don’t have a review count to wave around; we have a Done Right Promise and a record of standing behind it. No paperwork fights. No arguing about who’s responsible for a fogged seal. We make it right.
We also plan to be in town in thirty years. TruePane hires local, trains apprentices into journeymen, and sponsors the same county fairs and church roof funds our customers do. That’s not a marketing line. It’s how a second-generation glazier’s company acts when it intends to keep working the same ground.
Our Window Replacement Services in Elmendorf
Full Frame Replacement
On older Elmendorf ranch homes, the original window frames have usually been racked by decades of clay swell and shrink. Pulling the old frame entirely gives us a clean, square opening to work with, and it’s the only way to find rot or failed flashing hiding behind the trim. We shim through three seasonal cycles before setting the new frame, which matters more here than in San Antonio’s limestone ground. Full frame replacement in Elmendorf typically runs $900 to $1,900 per opening depending on size and how far out of square the original opening has moved.

Insert Window Replacement
For newer tract construction along US-181, inserts often make sense. The existing frame is still sound, the opening is close to square, and a fusion-welded vinyl insert with low-E glass and argon fill drops in without disturbing interior or exterior trim. Inserts run $450 to $950 per window in Elmendorf. We still check the rough opening for racking before we quote, because “close to square” on gumbo soil can change between March and September.

Storm Window Replacement
Elmendorf sits in the path of Gulf-driven storms that push wind-driven rain sideways. Storm windows take that first hit, and when their seals go, the prime window behind them loses its defense. We replace storm units and upgrade the flashing at the sill so water stops finding its way under the frame. Expect $300 to $700 per storm window depending on size and whether the existing track can be reused. We also carry PGT and CGI impact-rated product lines for homeowners who want a single window doing both jobs.

Energy-Efficient Upgrade
The biggest difference in Elmendorf isn’t the triple-digit afternoons by themselves. It’s the swing: 100°F in August, then a hard freeze like the one that hit in February 2021, then back to humid heat. That thermal shock kills weatherstripping and seals faster than most homeowners expect. Upgrading to low-E insulated glass with argon fill cuts that cycle’s damage while lowering summer cooling loads. Energy-efficient upgrades run $550 to $1,400 per opening here, and the payback on an older single-pane ranch home is usually noticeable within the first full summer.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Elmendorf
We’re an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, and ES Windows. We quote Ply Gem, PGT, and CGI side by side on paper so you can see exactly what you’re buying and why the price differs. Both warranty layers get registered in writing before our crew leaves the driveway. That’s The Keystone Standard, and it’s in force on every window we set in Elmendorf. If a sash racks or a seal fogs, we know exactly which warranty covers it, because we filed it correctly the first time.
Common Window Replacement Problems We See in Elmendorf Homes
- Frames racked out of square by gumbo clay. The black Vertisol soil around Elmendorf swells hard after rain and shrinks hard in drought. A window set perfectly plumb in a wet April can be binding by October, and that racking is what breaks perimeter seals within the first year.
- Perimeter seal failure from thermal shock. South-facing glass takes the worst of it: triple-digit afternoons followed by cold snaps stress the seal until argon leaks out and the glass fogs. Once the fog appears, the unit is done and needs replacement.
- Flashing paths buried by shifted clay. When the ground around the foundation rises and falls, it can push soil up over the sill flashing or open gaps where none existed. Wind-driven rain follows the new path and rots the rough opening from the underside.
- Original aluminum single-panes on older ranch and manufactured homes. These provide almost no resistance to South Texas heat and humidity. The frames also conduct heat straight through, making rooms uncomfortable even when the glass is intact.
Pricing for Window Replacement in Elmendorf, TX
A straightforward insert replacement in Elmendorf runs $450 to $950 per window. Full frame replacement starts around $900 and goes to $1,900 on large openings or badly racked ranch-home frames. Storm windows add $300 to $700 per unit. Energy-efficient upgrades with low-E and argon fill typically land between $550 and $1,400 per opening. What moves the price most on acreage properties is access, outbuilding work, and how far out of square the original framing has gone. We quote line items on paper, and we do not add surprise charges after the fact. Call (888) 635-0804 to schedule a free estimate, and we’ll walk the property with you before we put a number on anything.
On a ranch home off Old Corpus Christi Road, our crew pulled a fogged Simonton insulated glass unit and found the jamb had been racked nearly a quarter inch out of square by last spring’s gumbo swell. We installed a fusion-welded vinyl double-hung with low-E glass and argon fill, shimmed the opening through three seasonal dry-wet cycles, and added flashing tape at the sill to keep a repeat seal failure from returning with the next drought. That’s what Elmendorf work looks like when it’s done right.
We Also Serve Cities Near Elmendorf
Our Window Replacement crews work throughout Bexar County’s southeast corner and into the surrounding communities. We serve Window Replacement in Elmendorf plus Adkins, Kelly Usa, Lackland A F B, and San Antonio. Dispatch and scheduling are coordinated from our San Antonio office; the crews who show up in Elmendorf know the soil, the housing stock, and the roads.
Serving Elmendorf, TX - Our Local Coverage Area
We’re based in the Elmendorf area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Window Replacement in Elmendorf
The clay under your slab directly changes how we scope the job. We plan for extra shimming, flexible flashing, and follow-up alignment checks because the soil moves seasonally. A quote that ignores the gumbo is a quote that will have you calling back every year for the same sticking sash. Call (888) 635-0804 and we’ll factor the ground movement into the estimate from the start.
Elmendorf gets the double hit of heavy Gulf moisture and hard clay movement. The humidity accelerates seal degradation, and the seasonal soil shift racks frames so the seals are stressed unevenly. A unit that might last fifteen years on stable limestone ground can fail in half that time here if the frame underneath it is moving. We spec frames and flashing that account for both.
Most window replacements on Elmendorf acreage fall under Bexar County jurisdiction rather than city permitting, and like-for-like replacements typically don’t require a permit. Full frame work that changes the rough opening, or work on a structure with setback or septic considerations, may trigger county review. We scope the permit question before we quote, and we pull permits when the job requires them. No surprises on the bill or with the county.
Mostly, but not always. Detached outbuildings and shops on Elmendorf acreage often sit on shallower footings than the main house, which means they rack even more aggressively with the clay. We quote them with extra shimming and often recommend a different frame profile than what goes in the house. The product is the same quality; the installation method adapts to what the building is doing.
Fusion-welded vinyl frames with a deep shim allowance hold up best, because the welded corners resist twisting better than mechanically fastened aluminum. We also prefer flexible flashing at the sill over rigid pan flashing on Elmendorf homes, since it tolerates the seasonal movement without cracking. Call (888) 635-0804 and we’ll recommend the right profile for your specific openings.
Get a Free Window Replacement Estimate in Elmendorf
If the pane is not true, the job is not done. That’s the rule Dale Kessler keeps on the whiteboard, and it’s the standard every TruePane crew carries into Elmendorf. We’ll measure every opening twice, quote the manufacturer lines side by side on paper, and register both warranty layers in writing before we leave the driveway. A square deal, upfront pricing, and a live person on the phone when you call. We’ll be there when we say. Call (888) 635-0804 to schedule your free estimate.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Elmendorf and surrounding Bexar County communities.



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