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 Lantana
Window replacement in Lantana runs $650-$2,400 per opening depending on frame condition, glazing spec, and whether the original assembly must be saw-cut out of the masonry. Most full-frame jobs in this town require marine-grade hardware and impact-rated laminated glass to survive the salt air. Call (561) 354-3861 to schedule your free measured survey - the written quote you receive is the same document we install against.
We’re the crew that serves Lantana from our South Florida scheduling office, and we’ve learned that this two-square-mile town punishes inland-spec window materials faster than almost anywhere in Palm Beach County. The Intracoastal isn’t a scenic backdrop here. It’s the reason your frames pit, your seals harden, and your hardware seizes. We specify coastal-grade products as standard because we’ve measured the difference between what lasts five years and what lasts twenty.
Why Sightline Windows & Doors West Palm Beach Is Lantana’s Preferred Window Replacement Company
Sightline has completed more than 18,000 window and Sliding & Patio Doors in Lantana installations since 2012, every one governed by the Haven Standard. In Lantana specifically, that means we arrive expecting corroded aluminum frames bonded into 1960s CBS block, and we quote the saw-cut labor upfront instead of discovering it mid-job. Our measured survey - the document you keep - already accounts for what out-of-area estimators miss.
Our technicians are background-checked, uniformed, and identified by license number before arrival. Haven Clause 3, Verified Crews, means the person at your door matches the person on the record. We don’t subcontract to unvetted labor.
Calls are answered by a live person, 24/7. Not a callback window. Not a voicemail queue.
Every job leaves a documented photo record and carries the 365-Day Done Right Promise written into the Haven Standard. If it’s not done right, we make it right. That promise is stamped on the scope, not offered as a courtesy.
Our Window Replacement Services in Lantana

Full Frame Replacement
This is the service we perform most often in Lantana. The town’s 1950s-1970s concrete block stucco homes still carry original jalousie windows with aluminum frames that have corroded into the masonry over sixty years of salt exposure. A straight insert retrofit is physically impossible. We saw-cut the block, rebuild the rough opening, flash and seal it, and set new impact-rated units with stainless hardware. A typical full-frame replacement in Lantana runs $1,400-$2,400 per opening, including the masonry work that inland estimators often omit.

Insert Window Replacement
Insert replacement is rare in Lantana’s older housing stock, but it does apply to some 1980s-1990s additions and second-story renovations where the original frame is still structurally sound. We verify frame condition with a borescope inspection before quoting. When the existing frame can be preserved, an insert runs $650-$1,100 per opening. We only recommend this path when the substrate shows no salt corrosion and the opening is square within tolerance.

Vinyl Replacement Windows
Vinyl frames resist salt corrosion better than the original aluminum jalousie assemblies, but not all vinyl is equal for Lantana’s conditions. We specify multi-chambered frames with marine-grade hardware and stainless fasteners - not the inland-spec galvanized screws that pit within three years. Vinyl replacement windows in Lantana typically fall between $850-$1,600 per opening depending on size, impact rating, and whether the existing frame can be reused. We carry ECO Window Systems and ViewLux vinyl lines specified by what your opening requires, not by what is in stock.

Energy-Efficient Upgrade
Lantana’s older single-pane windows leak conditioned air year-round and offer no solar heat gain control. We specify low-E insulated glass with SHGC matched to your orientation - lower SHGC for west-facing walls that take afternoon sun, moderate values for north and east. The upgrade typically adds $180-$340 per opening above base impact-rated glazing, but the cooling load reduction is measurable. We document U-factor and SHGC values on your written scope so you have evidence for any utility rebate or wind mitigation inspection.

Window Maintenance & Care
Even new coastal-spec windows need attention in this environment. We offer scheduled hardware lubrication, seal inspection, and frame cleaning with salt-removal compounds. Maintenance visits run $180-$280 for a typical Lantana home and include a photo-documented condition report. Catching seal degradation early prevents the frame corrosion that drives full replacement.

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.
Before
AfterTrusted Brands We Service in Lantana
We draw from eight manufacturer lines - PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux - and we specify by performance tier and price range, not by margin. For Lantana’s salt-air conditions, we typically reach for ECO Window Systems’ impact-rated vinyl or Mr-Glass laminated configurations with stainless hardware packages. We don’t stock inventory in a warehouse and push what’s available. We measure your opening, document the exposure conditions, and specify the product that fits. Local parts availability means most Lantana jobs move from signed scope to install within two to three weeks, not the eight-week backlog common with out-of-area contractors who must freight-order hardware.
Common Window Replacement Problems We See in Lantana Homes

- Corroded jalousie frames fused into CBS block. On a 1962 CBS stucco ranch off West Ocean Avenue, our crew pulled the original jalousie windows and found the aluminum frames so corroded into the block that we had to saw-cut the masonry to free them before we could set new full-frame units with laminated glass interlayer and stainless hardware. We rebuilt the rough openings, flashed and sealed them, and set PGT impact-rated glazing throughout, then documented the openings for the homeowner’s wind mitigation paperwork. The result was a code-compliant full-frame replacement with marine-grade finishes that should hold up in the salt air far longer than the original assembly did.
- Failed seals from salt-laden humidity. Year-round moisture penetration degrades insulated glass seals in two to four years if the glazing wasn’t specified for marine exposure. We see this on inland-spec windows installed by contractors who didn’t account for Lantana’s location astride the Intracoastal.
- Non-compliant single-pane assemblies in permit-triggering renovations. Any permitted window replacement in Palm Beach County’s 160+ mph design wind-speed zone must carry Florida Product Approval. Original jalousie windows and thin aluminum sliders fail this requirement and must be upgraded to impact-rated units.
- Hardware seizure from galvanic corrosion. Standard zinc-coated fasteners and untreated aluminum hardware lock up within two to three years here. We specify hot-dip galvanized or stainless fasteners and marine-grade finishes as baseline, not upgrades.
Pricing for Window Replacement in Lantana, FL
Here is what window replacement costs in Lantana’s market, based on jobs we’ve completed under the Haven Standard:
| Service | Price Range (Per Opening) |
|---|---|
| Insert Window Replacement | $650 - $1,100 |
| Vinyl Replacement Windows | $850 - $1,600 |
| Energy-Efficient Upgrade (add-on) | +$180 - $340 |
| Full Frame Replacement (with masonry work) | $1,400 - $2,400 |
| Window Maintenance & Care (per visit) | $180 - $280 |
Three factors push Lantana jobs toward the higher end of these ranges. First, the saw-cut masonry work required on corroded jalousie frames adds $400-$800 per opening in labor that inland estimators miss. Second, marine-grade hardware and stainless fasteners cost more than inland-spec galvanized versions. Third, impact-rated laminated glass with low-E coating carries a materials premium over single-pane or basic insulated units.
The cheap spec costs more within a decade. We’ve replaced inland-spec windows in Lantana that failed in four to six years - seals blown, hardware frozen, frames pitted - because the contractor saved $120 per opening on fasteners and finishes. Our Window Replacement team quotes the coastal spec upfront. The written price you receive before any work starts includes what your opening actually needs.
Call (561) 354-3861 for your free measured survey. Bring a competitor’s written estimate and we’ll review it at no charge under our Free Second Opinion policy.
We Also Serve Cities Near Lantana

Our crews work throughout Palm Beach County from the Miami-area scheduling office, including Lantana, West Palm Beach, Westgate, Lake Park, and North Palm Beach. The same Haven Standard - written price before work starts, verified crews, documented photo record - applies to every opening we touch.
Serving Lantana, FL - Our Local Coverage Area
We’re based in the Lantana 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 Lantana

If you are pulling a permit for any renovation that touches the window opening, yes - current Palm Beach County code requires Florida Product Approval impact-rated assemblies, and original jalousie windows do not qualify. Even without a permit trigger, most Lantana jalousie frames have corroded to the point where repair is impractical. Call (561) 354-3861 and we’ll inspect the frame condition with a borescope - estimates are free.
The salt-air corrosion zone here means marine-grade hardware, stainless fasteners, and impact-rated laminated glass are baseline requirements, not upgrades. Additionally, saw-cutting corroded jalousie frames out of 1960s CBS block adds labor that inland estimators routinely omit. A job priced for Boynton Beach’s inland fringe will miss these lines. Call (561) 354-3861 for a written scope that includes the actual work your Lantana opening requires.
We install PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux - eight lines specified by what your opening requires, not by what is in stock. For Lantana’s conditions we most often reach for ECO Window Systems and Mr-Glass impact-rated configurations with marine-grade hardware. Call (561) 354-3861 to review the product tier that matches your exposure and budget.
Impact-rated, low-E insulated glass with proper SHGC will reduce cooling load measurably, and the documented installation supports wind mitigation inspection credits that most insurers recognize. We record U-factor, SHGC, and impact rating on your written scope for this purpose. The savings depend on your current glazing condition and insurer, but the documentation we provide gives you evidence to pursue both. Call (561) 354-3861 to schedule the measured survey.
We do both, but full-frame replacement is what Lantana’s housing stock most often requires. Original jalousie aluminum frames corroded into CBS block make insert retrofits impossible. We only recommend insert replacement when the existing frame is structurally sound, square within tolerance, and free of salt corrosion - conditions we verify with borescope inspection before quoting. Call (561) 354-3861 and we’ll tell you which path your opening allows.
Ready to see what your opening actually needs? Call (561) 354-3861 to schedule your free measured survey. You’ll receive a written price before any work starts, and the quote we hand you is the same document we install against. Haven Clause 1: Have it in writing.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Lantana since 2012 under the Haven Standard.










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