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 Greenacres
Window replacement in Greenacres, FL typically runs $650-$1,400 per opening for standard vinyl impact-rated units and $1,800-$3,500 per opening for full-frame architectural replacements with custom millwork. Most Greenacres jobs move from measured survey to permit in 7-10 business days, though long-lead specialty glass and custom finishes set the real calendar, not crew availability.
We serve Greenacres from our South Florida coordination office, with crews dispatched directly to neighborhoods from Greenacres proper to the Lake Worth corridor. We’ve measured, specified, and installed in the CBS ranch blocks off Jog Road, the Florida-room additions near Greenacres Community Park, and the stucco subdivisions threading toward 10th Avenue North. Our Window Replacement team knows the city’s non-standard rough openings, its 1970s-1980s aluminum slider legacy, and the permit path that keeps your job moving. Call (561) 461-2062 to schedule your free measured survey. The written price we leave with you is the price on the final invoice.
Why Sightline Windows & Doors Lantana Is Greenacres’s Preferred Window Replacement Company
Greenacres homeowners research before they call. They read three-star reviews for the real story. They want prices in writing. They text more than they phone. We built our process for exactly this customer.
Since 2012, Sightline has installed more than 18,000 windows and sliding & patio doors - Greenacres included - under the Haven Standard. Every opening got a measured survey the customer keeps, a written price before any work started, and a documented photo record when the job finished. No verbal quotes. No change orders. No surprises.
In Greenacres specifically, we’ve learned the local permit landscape: the city falls under Palm Beach County’s 140+ mph design wind speed zone but sits outside the High Velocity Hurricane Zone that governs Miami-Dade and Broward. That distinction matters. A window replacement here requires Florida Product Approval, not a Miami-Dade NOA. We’ve seen competitors order HVHZ-spec product and watch weeks disappear while they re-spec. We don’t make that mistake. We know which PGT, CGI, and CWS units carry the right approval for this city before we quote.
Our crews are background-checked, uniformed, and identified by license number before arrival - Haven Clause 3, Verified Crews. Calls are answered by a live person, 24/7. Not a queue. Not a callback window. A person.
Our Window Replacement Services in Greenacres

Full Frame Replacement
Full frame replacement in Greenacres means removing the entire existing window - sash, jamb, frame, and often the surrounding trim - down to the rough opening. On the CBS ranch homes that dominate this city, built 1965 to 1990, this is frequently the only honest path. The original aluminum sliders and jalousie units were set in non-standard rough openings with shallow bucks that won’t accept modern impact-rated jambs without reframing. We measure the opening, document the frame condition, and quote the buck framing if the opening demands it. The price is fixed in writing before ordering. Custom millwork and interior trim matching are specified by performance tier and price range, not by what we have in stock.

Insert Window Replacement
Insert replacement fits a new window into the existing frame, preserving interior and exterior trim. This works in Greenacres when the original frame is square, structurally sound, and dimensionally compatible with modern unit depths. We see this less often than we’d like. The aging aluminum frames in Greenacres neighborhoods near 10th Avenue North and Lake Worth Road have often oxidized at the sill, or the original installation left the frame out of plumb by fractions that compound across a wall. Our measured survey catches this. If insert replacement is viable, we say so. If full frame is the honest recommendation, we say that too. The customer keeps the survey either way.

Vinyl Replacement Windows
Vinyl replacement windows are the workhorse specification for Greenacres retrofit jobs. We source from ECO Window Systems and CWS lines rated for Florida Product Approval in Palm Beach County’s wind zone. The vinyl frames resist the salt-air corrosion that attacks aluminum in South Florida’s persistent humidity, and multi-chamber construction provides thermal break performance that 1970s single-pane aluminum never approached. For the CBS ranch homeowner replacing original sliders, vinyl impact-rated units typically run $650-$1,200 per opening installed, with written pricing fixed before any product is ordered. Energy-efficient glazing options with low-E coatings and argon fill are specified by U-factor and SHGC performance, not by sales pitch.

Energy-Efficient Upgrade
Energy-efficient upgrades in Greenacres face a specific climate reality: 60+ inches of annual rainfall, persistent high humidity, and cooling loads that dominate the energy year. We specify glazing packages by U-factor (thermal transmittance) and SHGC (solar heat gain coefficient), matching the performance tier to the home’s orientation and shading. East- and west-facing openings in Greenacres’s unshaded ranch blocks get different glass than north-facing units under mature oak canopy. The upgrade isn’t just about the window. It’s about the right window in the right opening, with installation detail that seals against the rain and air infiltration that drives Greenacres utility bills. ES Windows and ECO Window Systems lines carry the NFRC ratings we need for this work.

Window Maintenance & Care
Maintenance and care visits in Greenacres focus on the failure modes we see repeatedly: seal degradation on aging aluminum units, hardware corrosion in the humid air, and weep blockages that trap water in the frame. We document condition with photos the customer receives, recommend replacement only when repair is no longer economical, and quote any work in writing. No service visit leaves without documentation. Haven Clause 4: Evidence on every job.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
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 Greenacres
We specify from eight manufacturer lines - PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux - chosen by what the opening requires, not by warehouse inventory. For Greenacres’s Florida Product Approval requirement, we lean on CGI and CWS impact-rated vinyl and aluminum lines, with ES Windows and ECO Window Systems for energy-efficient upgrades. We don’t stock units and hope they fit. We measure, specify, and order. Lead times for standard impact-rated vinyl run 3-5 weeks. Custom architectural glass, specialty finishes, or designer-coordinated millwork extend that calendar. The price is fixed before ordering so the wait doesn’t become a budget surprise.
Common Window Replacement Problems We See in Greenacres Homes

- Non-standard rough openings on 1970s-1980s CBS ranches. Original aluminum sliders and jalousie windows were installed in openings with dimensions that don’t map cleanly to modern impact-rated units. We measure every opening and plan buck framing before quoting, not after demo.
- Jalousie windows flagged on inspection reports. Those louvered glass-slat units in Florida rooms and rear additions are specifically called out by Palm Beach County inspectors and insurance adjusters as non-compliant with current wind code. They’re the single most frequently written line item on older Greenacres residential inspections.
- Seal failure and frame oxidation from humidity exposure. South Florida’s 60+ inch annual rainfall and persistent high humidity accelerate the degradation of aging aluminum window seals and frames. We see this most in unshaded rear elevations where afternoon sun compounds thermal cycling.
- HVHZ product ordered for Greenacres permits. A Miami-Dade NOA doesn’t satisfy Palm Beach County’s Florida Product Approval requirement for this city. The wrong spec means permit rejection, re-ordering, and weeks of delay on a job that didn’t need it.
Pricing for Window Replacement in Greenacres, FL
These are the ranges we quote in Greenacres, based on measured surveys completed in 2024-2025:
| Service Type | Price Range (Per Opening) |
|---|---|
| Vinyl impact-rated insert replacement | $650 - $1,200 |
| Vinyl impact-rated full frame replacement | $950 - $1,800 |
| Architectural aluminum full frame with custom trim | $1,800 - $3,200 |
| Specialty geometric or custom-shaped unit | $2,500 - $4,500 |
| Buck framing and rough opening modification | $200 - $600 per opening |
| Energy-efficient glazing upgrade (low-E/argon) | $80 - $150 per opening add-on |
What moves a quote within these ranges: the condition of the existing frame, the need for buck framing, the performance tier of the glazing package, and the complexity of interior trim matching. Designer-coordinated millwork and long-lead architectural glass selections sit above these ranges and are quoted individually. Every price is written before any work starts. Haven Clause 1. Bring us a competitor’s written estimate and we’ll review it at no charge - our Free Second Opinion.
Call (561) 461-2062 to schedule your free measured survey. The quote we leave is the invoice you’ll pay.
We Also Serve Cities Near Greenacres

Our crews work throughout central Palm Beach County, including Window Replacement in Greenacres and neighboring Lake Worth, West Palm Beach, Wellington, and Boynton Beach. Permit requirements and product approvals vary by municipality - Wellington has its own supplemental wind-borne debris code, while West Palm Beach enforces additional historic district review in certain zones. We know the difference and specify accordingly.
Serving Greenacres, FL - Our Local Coverage Area
We’re based in the Greenacres 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 Greenacres

Greenacres requires Florida Product Approval, not a Miami-Dade NOA. The city sits in Palm Beach County’s 140+ mph design wind speed zone but outside the High Velocity Hurricane Zone that governs Miami-Dade and Broward. Many PGT, CGI, and CWS units built for HVHZ jobs must be re-spec’d for Greenacres permits. We verify the correct approval before quoting so your permit clears the first time. Call (561) 461-2062 and we’ll confirm the right product for your opening.
Greenacres’s dominant housing stock - CBS ranch homes built 1965 to 1990 - was fitted with original aluminum-frame single-pane sliders, awning units, and jalousie windows with rough opening dimensions that don’t match modern standard sizes. Retrofit replacements frequently require custom sizing or buck framing to bridge the gap. We measure every opening and quote the exact solution, not a stock unit that won’t fit. Call (561) 461-2062 for a measured survey that documents your actual openings.
Standard impact-rated vinyl units typically arrive in 3-5 weeks from order. Custom architectural glass, specialty finishes, or designer-coordinated millwork extend that to 6-10 weeks or longer. The real schedule driver is product lead time, not crew hours. We fix the price in writing before ordering so the calendar doesn’t become a budget surprise. Call (561) 461-2062 and we’ll map the realistic timeline for your specification.
Yes, impact-rated windows and doors can qualify for premium discounts under Florida Statute 627.0629, provided the installation is documented with wind mitigation paperwork. We deliver that documentation as standard on every impact-rated job - it’s part of the Haven Standard, not an upsell. The exact discount depends on your carrier and the full mitigation features of your home. Call (561) 461-2062 and we’ll review how your specific installation would factor into the credit.
Yes. Jalousie windows - the louvered glass-slat units common in 1970s-1980s Florida rooms and rear additions - are specifically flagged by Palm Beach County building inspectors and home insurance adjusters as non-compliant with current wind code. They’re the single most frequently written line item on older Greenacres residential inspection reports. Replacement with impact-rated units is typically required for permit approval and insurance compliance. Call (561) 461-2062 and we’ll specify the right replacement for your opening.
Written by Sonia Raman, Owner at Sightline Windows & Doors Lantana, serving Greenacres since 2012 under the Haven Standard.










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