Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Impact Windows & Doors Across San Antonio
Impact window and door work in San Antonio, FL rarely looks like the brochure. The homes here predate modern building codes by a wide margin, and the rough openings were framed by hand long before anyone standardized a 36-inch rough opening. TruePane Windows & Doors handles those older openings the way they actually need to be handled: measured twice, reframed when necessary, and flashed so the Florida humidity stays outside where it belongs. If you’re planning impact windows or doors on a home in San Antonio, call (754) 238-2201 and we’ll send a background-checked, uniformed technician to scope the job in person, not over the phone with a guess.
We coordinate dispatch and scheduling from our South FL office, and the crews who work in San Antonio know the difference between a 1910 farmhouse opening and a 2015 production build. That matters more than most homeowners expect. It’s the difference between a clean install and a surprise change order six weeks in.
Why TruePane Windows & Doors Is San Antonio’s Preferred Impact Windows & Doors Company
San Antonio is a different kind of market for Impact Windows & Doors. Most of the housing stock was built before impact glazing existed as a residential product, which means retrofit work dominates. A homeowner in Epperson or Mirada is replacing like for like. A homeowner near the San Antonio town center is usually modifying a rough opening that has been settling for eighty or ninety years. Our crews have done that work enough times to quote it honestly from the first visit.
Dale Kessler founded TruePane in 2008 on a rule he still keeps on the whiteboard: if the pane is not true, the job is not done. That rule covers the workmanship, the flashing, the registration of both manufacturer warranty layers in writing, and the Done Right Promise that follows every install. The Keystone Standard is our baseline, not an upsell: both warranty layers registered before the truck leaves your driveway, durations stated, no paperwork fights later.
Our San Antonio customers tend to be people who have lived in the same house for twenty or thirty years. They have been burned once already, or they watched a neighbor get burned. They want a written, line-item quote and a live person when they call. That’s what they get. A live person answers our phones 24 hours a day, seven days a week. No voicemail tree, no regional call center, no callback form.
Our Impact Windows & Doors Services in San Antonio
Hurricane Impact Windows
Hurricane impact windows in San Antonio are rarely a straight swap. On the older wood-frame homes near Curley Road and around the historic town center, the original rough openings run one to three inches off modern standard dimensions in both width and height. That means a “simple” replacement almost always involves reframing the opening before the new impact unit goes in. We scope that work up front and put it in the written quote, so you’re not blindsided mid-project. We install impact-rated single-hung, double-hung, casement, and picture windows, and we register both manufacturer warranty layers in writing before we leave the driveway.

Impact Sliding Glass Doors
Impact sliding glass doors on San Antonio acreage homes take a beating from the daily thermal cycling that comes with inland Central Florida heat. Frames that are not set square will bind by August. We square the opening, set the track dead level, and flash the threshold so afternoon thunderstorms don’t find a way under the sill. If you have an older sliding door that sticks or leaks, that’s a soil settlement issue more often than a door issue, and it has to be addressed before the new unit goes in.

Impact Entry & French Doors
Impact entry and French doors in San Antonio sit at the intersection of security, weather sealing, and curb appeal. On the older cottages, the original door jambs have usually twisted with decades of humidity and soil movement, which means a new impact door hung in the old jamb will never seal right. We replace or reframe the jamb, set weatherstripping that actually compresses, and make sure the door closes true in every season. These installs get the full Keystone Standard treatment: both warranty layers in writing, Done Right Promise on the workmanship.

Impact Garage Doors
Impact garage doors on Pasco County acreage are about more than the door panel. The tracks, the springs, the mounting points, and the header all work together, and on older detached garages and workshops the framing is often the weak point. We brace and reframe as needed, then install an impact-rated door that meets the county’s wind-load code and will still operate smoothly ten years from now. High-tension springs on garage doors hold enough stored energy to cause serious injury; that part of the work should always be left to a trained professional with the right tools and training.

What happens when you call
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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 San Antonio
We are an authorized installer for more than a dozen manufacturer lines, and our San Antonio customers choose from brands like CGI, CWS, and ES Windows. Each line has different lead times, frame profiles, and warranty structures, so we quote them side by side on paper and explain what you’re actually buying. Some manufacturers offer better sash profiles for matching original trim on older homes; others are stronger on panel sizes for wide sliding doors. Our job is to put that information in front of you in plain language, not to steer you toward whichever line has the best spiff that month.
Common Impact Windows & Doors Problems We See in San Antonio Homes
- Non-standard rough openings on pre-WWII homes. The original openings were framed by hand and are often one to three inches off modern sizes in both directions. A replacement unit that is “close enough” will leak, bind, and fail inspection. The opening gets reframed to true dimensions before the unit goes in, and that work is in the quote.
- Wood-frame warping and soil settlement on older foundations. Central Florida humidity and decades of soil movement twist original window jambs and door frames. If the opening isn’t squared and flashed correctly, even a new impact unit will bind or leak within the first year. We check for square before we touch the old unit.
- Seal failure and vinyl frame warp from inland heat. San Antonio’s inland location means intense UV and daily thermal cycling that cooks seals faster than coastal homeowners expect. 1980s and 2000s manufactured homes on rural parcels are the worst offenders. Impact-rated units with low-E glass and argon fill hold up far better in this climate, especially when the frame is properly secured and flashed.
- Code-compliance surprises on unpermitted rural work. Pasco County wind-load rules require impact-rated glazing or an approved shutter system even for inland acreage homes. Owners who replace windows without pulling permits on old farmhouses often fail inspection and end up paying twice. We pull the permits, schedule the inspections, and stand behind the finished job.
Pricing for Impact Windows & Doors in San Antonio, FL
Here are honest ranges for the San Antonio market. Hurricane impact windows on a typical older wood-frame home run $85 to $145 per square foot installed, depending on the frame material, glass package, and how much rough-opening modification is needed. Impact sliding glass doors typically run $2,800 to $5,600 installed, with wider openings and heavy soil settlement pushing toward the upper end. Impact entry doors run $1,900 to $4,200 installed, French doors in pairs $3,800 to $7,500, and impact garage doors $3,200 to $6,800 depending on size and whether the header needs reinforcing. The pre-WWII homes near the town center almost always land above the baseline because of the rough-opening work. We quote fixed, line-item pricing before we start, so the number you sign is the number you pay. Call (754) 238-2201 to schedule a free on-site estimate.
We Also Serve Cities Near San Antonio
Our crews also cover Wesley Chapel, Dade City, Trilby, and Lacoochee. The job in a 2022 Wesley Chapel build is a different animal than the job in a 1925 San Antonio farmhouse, but the standard doesn’t change: square openings, registered warranties, workmanship guaranteed in writing. If you’re anywhere near San Antonio, we’ll come out and scope it properly.
Serving San Antonio, FL - Our Local Coverage Area
We’re based in the San Antonio 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 - Impact Windows & Doors in San Antonio
San Antonio’s pre-WWII homes have rough openings that are one to three inches off modern standard dimensions, so nearly every replacement requires reframing the opening before the new unit goes in. Wesley Chapel homes are mostly built to current codes with standard openings, making those jobs straightforward swaps. The additional framing labor and material on a San Antonio farmhouse adds real cost, typically $300 to $700 per opening depending on how far out of square the original framing has drifted. A written quote from us includes that work up front. Call (754) 238-2201 for an exact number on your house, and the estimate is free.
Pasco County’s wind-load zone applies to inland homes, so you need either impact-rated glazing or an approved shutter or protection system to pass inspection. Shutters can satisfy the code on some homes, but they only protect the glass when they’re deployed, and many San Antonio homeowners prefer the always-on protection of impact glazing, especially on unoccupied workshops and detached buildings. We can quote either option side by side so you can see the real cost difference. Call (754) 238-2201 and we’ll walk the property with you.
Yes, on most homes we can match the original sash profile and trim details closely enough that the new units don’t look like an afterthought. Manufacturers like ES Windows and CGI offer frame profiles and color options that read as traditional. The corner where old and new meet gets the most attention: the reveal, the apron, the window stool. We measure every opening twice and take photos before demo so the trim notes are exact. The free estimate includes a trim assessment. Call (754) 238-2201 to set one up.
We square the opening before the new unit is set. That means shimming or reframing the rough opening until it is true in both planes, then flashing with self-adhered tape so the new unit is air-sealed and water-shedding from day one. On one farmhouse near the historic town center, our crew pulled original single-pane double-hung windows in non-standard rough openings and found every frame shifted from decades of soil movement. We reframed each opening to modern dimensions, installed fusion-welded impact-rated casement windows with low-E glass and argon fill, and flashed with self-adhered tape before trimming. That was a three-day job a homeowner had been told would be “same-day swaps” by another company.
Yes, window and door replacements on detached buildings in Pasco County still require a permit, and the work has to meet the county’s wind-load code. Unpermitted work on outbuildings fails inspection and can complicate a future sale. We pull the permits, schedule the inspections, and make sure the paperwork is complete before we walk away. Call (754) 238-2201 if you have a workshop, studio, or detached garage that needs impact windows or doors.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving San Antonio and greater Pasco County with impact windows and doors installed to the Keystone Standard since 2008.
Six Reasons Homeowners Choose TruePane Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.



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