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 Fort Pierce South
Window replacement in Fort Pierce South runs $600-$1,900 per opening for most single- and double-hung units, with impact-rated glass starting around $900 and full-frame jobs on older concrete block homes often landing between $1,400 and $3,200 when masonry patching and custom sizing are required. Most jobs take one day for inserts and two to three days for full-frame replacements on CBS construction. If you live off Oleander Avenue, along Sunrise Boulevard, or in the neighborhoods south of Midway Road, you know the salt air chews through aluminum frames faster here than almost anywhere else on the Treasure Coast. Call (754) 324-4646 and we’ll measure the openings, price what you actually need, and put both warranty layers in writing before the truck leaves your driveway.
Why TruePane Windows & Doors Is Fort Pierce South’s Preferred Window Replacement Company
TruePane has been replacing windows and doors in coastal Florida long enough to know exactly what the 2004 storm cycle left behind in Fort Pierce South. We’re not a franchise that sends a rotating cast of subcontractors. Dale Kessler founded this company in 2008 on a rule he still keeps on the whiteboard: if the pane is not true, the job is not done. That means our techs measure every opening twice, pull the old unit, and show you what’s underneath before ordering anything.
Our installers work in Fort Pierce South regularly. They know the CBS rough openings on the 1960s homes off Virginia Avenue that were cast with tolerances no modern manufacturer stocks off the shelf. They know the post-2004 “insurance replacement” units that St. Lucie County inspectors flag because the Florida Product Approval number expired under a newer code edition. We register both manufacturer warranty layers in writing, state the durations plainly, and back the installation with our Done Right Promise. Dispatch and scheduling are coordinated from our South Florida office, but the crews who show up in Fort Pierce South are the same background-checked, uniformed technicians every time. A live person answers the phone 24 hours a day, seven days a week. Call (754) 324-4646 and you’ll talk to a human, not a voicemail tree.
Our Window Replacement Services in Fort Pierce South
Every home here has a story in its walls, and the windows usually tell it first. These are the replacement services we do most often for Fort Pierce South homeowners. You can also see the full scope of our Window Replacement work if you want the complete picture.
Full Frame Replacement
Full-frame replacement means the old window comes out to the rough opening, the masonry gets ground square, and a new window goes in with continuous flashing. On Fort Pierce South’s 1950s-1980s concrete block homes, that opening was cast by hand, and it’s rarely square. We mortar-patch what needs it, flash it properly, and set the new unit so it drains instead of trapping water. This is the fix that finally ends the leak you’ve been caulking every spring. A full-frame replacement on a CBS home here typically runs $1,400-$3,200 per opening depending on size, frame material, and whether the opening needs structural repair.

Insert Window Replacement
If your existing frames are still sound and square, an insert replacement fits a new window inside the old frame. It’s faster and costs less - usually $600-$1,600 per opening for standard sizes in Fort Pierce South. But the key word is “sound.” The salt-laden air between the Atlantic and the Indian River Lagoon pits aluminum frames years before the glass fails. We check for that before quoting an insert, because putting a new sash into a corroded frame is a waste of your money.

Storm Window Replacement
Fort Pierce South sits in St. Lucie County’s wind-borne debris region, which means any replacement window or exterior door must carry a current Florida Product Approval rated for the county’s 140+ mph design wind speeds. We carry and install impact-rated lines from PGT and CGI, both manufactured for exactly this climate. A basic impact-rated single-hung in Fort Pierce South starts around $900 per opening and goes up with size, glass package, and frame finish. If your current “impact” windows date to the 2004-2005 post-hurricane rush, have an inspector look at them before you spend another season trusting them.

Energy-Efficient Upgrade
Most 1960s-1980s homes in Fort Pierce South were built with single-pane aluminum windows that do almost nothing to stop heat gain. A low-E, double-pane replacement with argon fill typically cuts the solar heat coming through the glass by half or more, and it makes a real difference on a west-facing wall in August. Energy-efficient replacements here run $650-$1,400 per opening for most single-family homes. We quote the glass packages side by side on paper so you can see the price difference and make the call with the numbers in front of you.

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 Fort Pierce South
We’re an authorized installer for more than a dozen manufacturer lines, and we carry the ones that hold up to Fort Pierce South’s salt air and wind loads. PGT and CGI both manufacture impact-rated products in Florida, and we see them outperform nearly everything else on coastal homes here. We also work regularly with Ply Gem for mid-range insulated replacements where impact rating isn’t required. Because we stock common sizes and hardware for these brands at our South Florida warehouse, turnaround for Fort Pierce South jobs is usually days, not weeks. We quote side by side so you know exactly what you’re buying and what each line costs before you sign anything.
Common Window Replacement Problems We See in Fort Pierce South Homes
- 2004-era impact windows losing their Florida Product Approval number. The units installed in the weeks after Frances and Jeanne were rushed, permitted under older FBC editions, and many no longer meet the current county wind-load standard. Inspectors flag them during re-inspections and insurance wind-mitigation reviews, which usually means full replacement, not re-glazing.
- Oxidized and pitted aluminum frames from salt air. Fort Pierce South sits between the Atlantic and the Indian River Lagoon, and that constant brine destroys hardware and frames faster than even 20 miles inland. We see latches that snap, tracks that bind, and frames with white corrosion blooming through the paint.
- Rough openings in CBS walls that were never square. Concrete block homes cast in the 1950s through 1980s have openings that vary by a half-inch or more. Off-the-shelf replacement sashes won’t seat properly, leaving air leaks, water intrusion, and a window that binds within a year.
- Fogged insulated glass units with failed seals. A failed seal on a double-pane unit means the argon is gone and the glass is etched. You can re-glaze with a new IGU sometimes, but if the frame is corroded or the opening is out of square, replacing just the glass is throwing good money after bad.
Pricing for Window Replacement in Fort Pierce South, FL
Here’s what we actually see in this market. A basic vinyl insert window in a standard opening runs $600-$1,100 installed. A mid-range energy-efficient replacement with low-E glass and argon fill lands between $800 and $1,500. Impact-rated windows from PGT or CGI start at $900 and run to $2,500 or more for large openings, custom sizes, and high-performance glass packages. Full-frame replacement, which is what most 1960s-1980s CBS homes eventually need, runs $1,400-$3,200 per opening once you factor in masonry work, flashing, and exterior trim. Mobile and manufactured homes around Fort Pierce South generally use non-standard sizes, which pushes pricing to the higher end of these ranges. Every quote is a written, line-item estimate. No one changes the price after the contract is signed unless you approve the change in writing first. Call (754) 324-4646 to schedule a free estimate - we measure, we quote, and the quote is yours to keep.
We Also Serve Cities Near Fort Pierce South
If you’re just outside Fort Pierce South, we also work regularly in Fort Pierce South and the surrounding Treasure Coast communities. That includes Stuart, Hobe Sound, Jensen Beach, and Palm City. The same crews, the same written quotes, and the same Done Right Promise apply everywhere we work. Call (754) 324-4646 and tell us where you are.
Serving Fort Pierce South, FL - Our Local Coverage Area
We’re based in the Fort Pierce South 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 Fort Pierce South
Permitted in 2004 does not mean compliant in 2026. The Florida Building Code has been updated several times since Frances and Jeanne, and many of the “impact” windows rushed into Fort Pierce South after those storms were approved under older editions with lower wind-load requirements. St. Lucie County now requires a current Florida Product Approval number matched to the county’s 140+ mph design wind speed zone, and if your units don’t carry one, inspectors will flag them during re-inspections, real estate transactions, and Citizens Insurance wind-mitigation reviews. In most cases the fix is full replacement, not re-glazing. Call (754) 324-4646 and we’ll check the approval numbers on your existing units before you spend anything.
It moves failure forward by a decade or more. Fort Pierce South sits between the Atlantic Ocean and the Indian River Lagoon, and the constant brine accelerates oxidation and pitting on aluminum frames, hinges, and latches. We see hardware that fails in 8-10 years here where the same hardware lasts 15-20 in Port St. Lucie. That’s why we recommend vinyl, fiberglass, or heavy-gauge thermally broken aluminum frames with powder-coat finishes for coastal homes, and why we check frame integrity before quoting an insert replacement. Call (754) 324-4646 and we’ll inspect what you have before recommending what to buy.
Because the rough openings in 1950s-1980s CBS construction were cast by hand, and they’re rarely square or true to modern manufacturer sizing. A standard-size replacement sash assumes a clean, square opening, and when it doesn’t get one, you end up with shims stacked in one corner, air leaks, water intrusion, and a window that binds within a season. We grind the masonry opening square, mortar-patch what needs it, and order the glass to the actual opening dimensions. That’s more labor than a drop-in insert, and it’s why full-frame replacement on a block home costs more. Call (754) 324-4646 for a written quote based on your actual openings, not a catalog size.
It depends on the frame. If the frame is sound, the opening is square, and the seal failure is the only problem, replacing the IGU with a new argon-filled unit usually works and runs $250-$600 per window here. But if the frame is corroded from salt air, or the rough opening has shifted the way we see on older CBS homes, replacing the glass alone won’t fix the underlying problem. On a 1960s home off Oleander Avenue we once found the original rough opening had moved enough to leave a half-inch gap the previous installer filled with caulk instead of flashing tape. The IGU had failed, but the real problem was the opening. New glass would have failed within two years. Call (754) 324-4646 and we’ll tell you which situation you have before you spend a dollar.
A full-frame replacement means removing the old window down to the concrete rough opening, grinding the masonry square, repairing any cracks or spalling, installing continuous flashing and a sill pan, setting the new window, and sealing the exterior trim. On a wood-frame house that’s a straightforward carpentry job. On a CBS home it means grinding concrete, mixing mortar, and working around cast-in-place openings that may have shifted over 50 years. That added labor is why full-frame replacement on a block home runs $1,400-$3,200 per opening in Fort Pierce South. We do this work in-house; we don’t sub it out to a crew from another county. Call (754) 324-4646 for a free estimate that breaks down the masonry work, the flashing, and the window itself line by line.
If your windows are fogged, binding, corroded, or just tired, you don’t need another vague quote. You need someone to open the wall and tell you what’s actually there. Call TruePane Windows & Doors at (754) 324-4646 for a free, written, line-item estimate. We measure twice, we show you the brands side by side, and we register both warranty layers before we leave the driveway. The Done Right Promise means exactly what it says. Done right is the standard, not the stretch goal.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Fort Pierce South and the Treasure Coast.
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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