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 San Antonio
Window replacement in San Antonio, FL means dealing with two very different houses: a 1912 wood cottage in the old colony core, or a 2023 tract home off SR-52. We handle both, and we know what each one requires before the first trim piece comes off. Our crews understand Pasco County wind-load paperwork, Florida Building Code product approvals, and what happens to a 100-year-old pine jamb after decades of subtropical humidity and termite pressure. If you’re pricing replacement windows in San Antonio, call (813) 320-9346 for a free estimate. A real person answers, day or night.
Why TruePane Windows & Doors Is San Antonio’s Preferred Window Replacement Company
TruePane Windows & Doors has been doing this work since 2008 under Dale Kessler’s founding rule: if the pane is not true, the job is not done. Our Window Replacement crews work in San Antonio regularly, and we pull permits through Pasco County the right way, with both manufacturer warranty layers registered in writing before our truck leaves your driveway.
San Antonio homeowners call us because we show up when we say we will, in uniform, with background-checked technicians who measure every opening twice. We quote manufacturer lines side by side on paper, so you see exactly what you’re paying for before you sign. Our Done Right Promise means that if something isn’t right, we make it right, with no paperwork fights and no fine print that covers neither.
When you call (813) 320-9346, you get a live person, 24 hours a day, 7 days a week. No voicemail tree, no callback form. Dispatch and scheduling are coordinated from our South Florida office, and our crews serve San Antonio directly.
Our Window Replacement Services in San Antonio
Full Frame Replacement
Full frame replacement in San Antonio is the most common job we do in the historic colony core. When the original wood frame is rotted, hollowed by termites, or simply out of square after 100 years of settling, you can’t set a new window into it and expect it to seal. We tear out the old frame to the rough opening, rebuild with pressure-treated lumber where code requires, flash it properly, and set the new window square, level, and plumb. In the SR-52 subdivisions, full frame is less common but still the right call when homeowners want to change opening size, add Sliding & Patio Doors in San Antonio, or address water intrusion around an improperly flashed tract-home window.

Insert Window Replacement
Insert replacement works when the existing frame is solid and square. In San Antonio’s newer developments, that’s often the case, which makes insert jobs a sensible, lower-labor option. But the catch is the same everywhere in Pasco County: if we pull the inside trim and find rot or termite galleries hiding in the frame, an insert won’t fix it. We’ll tell you before we cut anything, and we’ll quote the full-frame correction on the spot.

Storm Window Replacement
San Antonio sits inland, but Pasco County design wind speed maps still govern what gets installed. Storm window replacement here means meeting Florida Building Code product-approval requirements, not just swapping glass. We install impact-rated and wind-rated units from PGT and CGI when the code calls for them, with the documentation that matters if you ever file an insurance claim after a storm. Cheap non-approved windows may pass a visual inspection and fail you later, when the adjuster asks for paperwork you don’t have.

Energy-Efficient Upgrade
San Antonio’s humid subtropical climate punishes windows. Intense UV rays break down vinyl seals, high seasonal humidity rots wood sills, and heavy summer thunderstorms drive water against every weak flashing point. Energy-Efficient Windows in San Antonio upgrades should include low-E glass, argon or krypton fill, and fusion-welded frames where possible. We quote Simonton and Ply Gem energy packages side by side on paper so you can see the U-factor and SHGC ratings before you spend a dollar.

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’re an authorized installer for more than a dozen manufacturer lines, including San Antonio Eco Window Systems service, and for San Antonio customers we commonly work with, PGT, and CGI. Each has product approvals tied to Florida Building Code wind-load maps, which matters when you’re pulling a permit in Pasco County. Because we work these product lines every week, we can get replacement parts and warranty service handled without sending you through a regional call center. You call us, we handle the manufacturer, and the work gets scheduled.
Common Window Replacement Problems We See in San Antonio Homes
- Hidden rot and termite damage in pre-1940 frames. San Antonio’s original wood-frame cottages from the 1881 colony period have pine jambs that look fine from the outside but are hollowed inside. Pull the trim and you find Formosan termite galleries and decay that mean the rough opening has to be rebuilt, not just capped.
- Seal failure in cheap vinyl inserts. Intense UV exposure and summer thunderstorm cycles break down low-grade vinyl and the seals between double panes. Homeowners see fogging between glass and chalky frame corners within a few seasons, and argon insulation is already gone.
- Wind-load noncompliance. Contractors unfamiliar with Pasco County’s design wind speed maps install windows that pass a quick visual but carry no product approval for this area. After a storm, the insurance adjuster asks for documentation, and the claim gets denied.
- Rotted sills skipped during insert jobs. Some crews slide a new window into an opening with a soft sill, caulk over it, and drive away. Within five to seven years the sill fails completely, and the homeowner pays for the full-frame job they thought they were avoiding.
Pricing for Window Replacement in San Antonio, FL
A typical insert window replacement in San Antonio runs $450 to $850 per opening for a standard vinyl double-hung, installed. Full-frame replacement in San Antonio runs $900 to $1,500 per opening, depending on framing repairs, stucco or siding tie-in, and whether the rough opening needs rebuilding. Impact-rated units from PGT or CGI add $200 to $450 per window, and historic wood-window restoration in the colony core can run $1,800 to $3,200 per unit when sashes need milling and original glass needs re-glazing. Senior and veteran discounts apply at 5% permanently, and we offer a free written repair estimate. Call (813) 320-9346 for an exact written quote, free.
We Also Serve Cities Near San Antonio
Our San Antonio crews regularly work in Wesley Chapel as the SR-52 corridor continues to grow, and we cover Dade City, Trilby, and Lacoochee for the same window replacement and door services. If you’re in one of those communities, the same Window Replacement in San Antonio team will handle your estimate and install.
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 - Window Replacement in San Antonio
Yes, window replacement in San Antonio requires a permit through Pasco County, even for insert jobs. The permit process verifies product approvals against Florida Building Code wind-load maps. If a contractor tells you no permit is needed for inserts, walk away. Call (813) 320-9346 and we’ll pull the permit, handle the inspection, and keep the paperwork on file for your insurance records.
Because the original pine frames from the early 1900s are frequently hollowed out by Formosan termite galleries and moisture rot, which you can’t see until the trim is pulled. Once we expose the rough opening, an insert often has nothing solid to anchor to, so the job becomes a full-frame tear-out and rebuild. Any experienced San Antonio window contractor knows to quote for this possibility up front, not surprise you with it on day two.
Replacement windows in San Antonio must meet the design wind speed and product-approval requirements in Pasco County’s current Florida Building Code maps. Your exact requirement depends on your parcel’s exposure category and the opening size, but most San Antonio homes fall into a range where impact-rated or high-design-pressure units from manufacturers like PGT and CGI satisfy compliance. We verify this against the code before we quote, not after.
In many Pasco County cases, yes, but only if the installation is documented and the products carry the right Florida Building Code approvals. You’ll need the product approval numbers, the permit, and the passed inspection on file. We register both manufacturer warranty layers in writing and leave you with a compliance packet that includes everything your insurer asks for. Call (813) 320-9346 and we’ll walk you through it.
Failed seals in San Antonio show up as fogging or condensation between the two panes that you cannot clean off, because it’s trapped inside the unit. You may also see a milky film or streaks that appeared suddenly. If the fog is on the room side, it’s just dirt or humidity. If it’s between the glass, the seal failed and the argon is gone. We’ll confirm it during your free estimate, and if replacement is the answer, we’ll quote Simonton, Ply Gem, or PGT side by side so you see the real numbers.
Call TruePane Windows & Doors for Window Replacement in San Antonio
On Michigan Avenue in the old-town historic district, our crew arrived expecting a straightforward insert job on a 1912 wood cottage, only to find the original pine jamb so hollowed from Formosan termite galleries and moisture rot that the rough opening had to be rebuilt with pressure-treated lumber and new flashing tape before we could set a full-frame double-hung with low-E glass and argon fill. We also installed Glass Railing Systems in San Antonio for their rebuilt front porch. The homeowners were stunned at the hidden damage, but our documented wind-load compliance and replacement of the failed insulated glass unit meant they finally stopped losing conditioned air through gaps where the old sash had rotted away.
That’s the difference between a company that knows San Antonio’s old wood-frame houses and one that only knows how to caulk and go. We’re not the cheapest bid, and we won’t pretend to be. We’re the last call you’ll need to make on your windows. Call (813) 320-9346 today for a free estimate, and we’ll put everything in writing before any work begins. A live person answers, 24 hours a day, 7 days a week.
Written by Dale Kessler, Owner at TruePane Windows & Doors.
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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