Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Impact Windows Across South Miami
Impact window replacement in South Miami runs $800 to $1,500 per window installed for standard openings, and $8,000 to $25,000+ for whole-home packages. Every single window and door in this city has to meet Miami-Dade County’s High Velocity Hurricane Zone code, so there’s no shortcut around the rating requirements. We’re Winslow Windows & Doors, and we’ve been installing HVHZ-compliant impact windows in South Miami’s CBS ranches and post-war bungalows long enough to know exactly which permit numbers this building department wants to see. Call (850) 930-1813 and you get Ed Winslow’s team, not a call center.
Why Winslow Windows & Doors Is South Miami’s Preferred Impact Windows Company
Ed Winslow’s name is on the door, and on every job we do. We founded this company in 2011, and we’ve spent the years since doing one thing: exterior protection done right in South Florida. South Miami homeowners call us because we show up when we say we will, we quote a fixed price before work starts, and we don’t disappear when the invoice is paid. Our Impact Windows team includes background-checked, uniformed technicians who know exactly what a South Miami building inspector looks for on a window permit.
We’re authorized installers for PGT, CGI, ECO Window Systems, Mr-Glass, and Therma-Tru, among others. That matters because South Miami’s HVHZ code doesn’t accept just any product with a “hurricane rated” sticker. It accepts specific Miami-Dade Notice of Acceptance numbers, matched to the specific opening. We stock the hardware and sealants rated for this city’s humidity and salt air, and we coordinate the permit, the inspection, and the paperwork for your insurance credit. If something isn’t done right, our Done Right Promise means we come back and make it right. That’s a standard no national chain can match.
When you call South Miami, a live person answers, 24/7. No voicemail tree, no next-business-day callback. You get pricing on the spot and a written line-item quote before we touch a single jalousie.
Our Impact Windows Services in South Miami
Full-Unit Jalousie-to-Impact Window Replacement
South Miami’s residential core is packed with 1950s to 1970s CBS ranch homes that still carry their original jalousie windows. Those louvered glass strips cannot be retrofitted to meet any impact standard. Period. The frame, the design pressure rating, the glazing system, all of it has to go. We pull the old jalousie assembly out of the concrete opening, install a full-unit laminated impact window with an HVHZ-rated frame, and seal it with silicone rated for South Miami’s humidity and UV exposure. This is the most common project we handle in this city, and we’ve done enough of them to know every opening size on the old block homes.

Miami-Dade NOA Permit and Inspection Coordination
Here’s the part that trips up a lot of South Miami homeowners. Before the building department will even schedule your inspection, your permit application has to list the Miami-Dade Notice of Acceptance number for every single product going into every single opening. If your contractor submits an application without those NOA numbers, the permit gets rejected and the job stalls before demo even starts. We handle the full permit package, list the correct NOA product numbers, schedule the inspection, and stand with you until it passes. That’s part of doing impact windows in South Miami right.

HVHZ Silicone Sealing and Corrosion-Resistant Hardware
South Miami sits in a corridor where hurricane storm surge risk, year-round humidity, and intense UV exposure all overlap. Standard window sealant breaks down fast here, and cheap hardware corrodes within a couple of years. We use HVHZ-rated silicone and corrosion-resistant stainless hardware on every installation. It’s not an upsell. It’s the difference between a window that holds for 20 years and one that fogs between the laminated interlayer and outer pane by year two.

4-Point Inspection Remediation
If your insurance company flagged your windows on a 4-point inspection, you’re not alone. South Miami’s older streets near SW 58th Avenue and the historic core are full of CBS homes where the original jalousie windows kill both the insurance discount and the inspection pass. We replace the non-compliant openings, provide the NOA documentation your insurer wants, and get your home reinspected. After we finished a full jalousie swap on a 1959 CBS ranch off SW 58th Avenue, the homeowner’s reinspection passed, and she qualified for the wind mitigation credit under Florida Statute 627.0629.

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 South Miami
We’re authorized installers for PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru. For South Miami’s HVHZ requirements, we lean heavily on PGT and CGI impact lines because they maintain the largest catalogs of Miami-Dade NOA product numbers across standard and custom opening sizes. We stock local replacement parts for these brands, which means a faster turnaround when you need a sash replaced or hardware serviced in South Miami. Every unit we quote carries the NOA documentation this building department requires on the permit.
Common Impact Windows Problems We See in South Miami Homes
- Jalousie windows flagged on 4-point inspections. South Miami’s original housing stock is dominated by jalousie and single-pane aluminum windows. None of them pass a current inspection, and none can be retrofitted to pass. Full-unit replacement is the only path.
- Fogging between glass layers. High humidity and salt air accelerate seal failure, especially in windows sealed with standard-grade silicone. Once the laminated interlayer fogs, the unit’s clarity is gone and the NOA rating is compromised.
- Corroded hardware on south-facing openings. Intense UV and coastal air eat through cheap window hardware fast. We replace it with corrosion-resistant stainless components rated for this environment.
- Wrong permit paperwork stalling the job. A contractor submits a permit without the NOA product numbers listed, and the South Miami building department rejects it on the spot. Then the homeowner waits weeks with a hole in the wall. We file it right the first time.
Pricing for Impact Windows in South Miami, FL
Standard impact windows in South Miami run $800 to $1,500 per window installed. Impact single-hung windows run $900 to $1,800. Large or custom openings, like a big picture window or a sliding glass door conversion, run $2,500 to $5,000. Whole-home packages start around $8,000 and commonly reach $25,000+ depending on opening count and frame material. What moves the price in South Miami specifically is the jalousie factor. Most homes here need full-unit replacement because the old jalousie frames cannot be reused, which adds demo and opening prep to every window. Floor height matters too. Second-story work costs more, and homes with larger custom openings push the numbers up. We give you a free in-home measure and a written line-item quote before any work starts, so you know exactly what you’re paying. Call (850) 930-1813 to schedule yours.
What Impact Windows Costs in South Miami
Let’s be honest about the range so you can plan. Impact windows in South Miami generally run $800 to $1,500 per window installed. Impact single-hung windows run $900 to $1,800. Custom or oversized openings, including large picture windows and sliding door conversions, run $2,500 to $5,000. Whole-home packages start at $8,000 and go up from there, with most South Miami ranch homes landing between $12,000 and $25,000 depending on how many jalousie openings need full-unit replacement. The big cost drivers here are opening count, opening size, floor height, and frame material. Vinyl frames are the most cost-effective for standard CBS openings. Aluminum frames carry a higher price but give you thinner sightlines, which matters on some of the older bungalows with narrow window bays. Every quote we write is a fixed price, and we come out to measure for free. Call (850) 930-1813 for your written quote.
Florida Pays You Back
South Miami homeowners have real incentives to stack here, and they’re worth knowing before you sign any contract. My Safe Florida Home offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, including impact windows. Florida also exempts impact-resistant windows and doors from sales tax. On the federal side, the 25C energy credit can return 30% of product cost on qualifying units, up to $600 per year. And after your installation, a wind mitigation inspection, typically $75 to $150, can unlock windstorm premium credits averaging around 25% on the windstorm portion of your policy. No guarantees, your insurer and the program set the final numbers. But the documentation we provide from your installation gives you the paperwork to pursue every one of these. One thing to understand clearly: impact windows beat hurricane shutters for South Miami homeowners because the protection is permanent. No panels to haul out of the garage at 2 a.m. before a storm, no mounting tracks to maintain, and no insurance credit for something sitting in a shed when the wind hits.
We Also Serve Cities Near South Miami
Our crews serve South Miami and the surrounding South Florida communities, including Miami, Hialeah, Doral, and Coral Gables. If you’re just north or west of South Miami, the same HVHZ code applies, and we handle those permits and inspections the same way. One call to (850) 930-1813 covers the whole metro corridor.
Serving South Miami, FL - Our Local Coverage Area
We’re based in the South Miami 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 in South Miami
Jalousie windows cannot be retrofitted to meet HVHZ impact standards because the louvered glass panels and the frame itself lack the structural design pressure rating required for Miami-Dade’s large-missile test. Impact film changes the glass, not the frame, and a 4-point inspection evaluates the entire opening including the frame, the mounting, and the design pressure rating. South Miami’s building department will not accept a retrofit on a jalousie opening, full-unit replacement is the only compliant path. Call (850) 930-1813 for a free opening-by-opening assessment.
The South Miami building department checks that every window and door product listed on your permit application carries a valid Miami-Dade Notice of Acceptance number matching the specific configuration and opening size. They verify the NOA product number before they will schedule the inspection. If the NOA number is missing, wrong, or mismatched to the opening, the permit is rejected and no inspection date is issued. We file the complete NOA package on every South Miami permit we pull. Call (850) 930-1813 and we’ll walk you through what your specific openings require.
Installing NOA-certified impact windows on every opening typically qualifies you for a wind mitigation credit under Florida Statute 627.0629, which can reduce the windstorm portion of your premium by an average of around 25%. The exact credit depends on your insurer and your wind mitigation inspection, which runs $75 to $150. We provide the NOA documentation your inspector and insurer need. Call (850) 930-1813 for a quote and we’ll make sure the paperwork supports your credit claim.
A Miami-Dade Notice of Acceptance is a stricter product standard that requires large-missile impact testing and the highest wind-load ratings, and it’s mandatory for every window and door installed in South Miami’s High Velocity Hurricane Zone. A Florida Product Approval is a state-level certification that may not meet HVHZ requirements. South Miami sits entirely within the HVHZ, so your windows need a Miami-Dade NOA, not just a Florida Product Approval. We only install NOA-certified units in South Miami. Call (850) 930-1813 to confirm your current windows’ rating.
You can phase the work, but your insurance discount doesn’t fully apply until every opening is compliant. A partial replacement may still leave your 4-point inspection flagged on the remaining openings, and your wind mitigation credit will be scaled back or denied until all openings are protected. Many South Miami homeowners start with the most vulnerable openings, typically the largest and most exposed ones, then complete the rest over time. We’ll give you a phased plan with fixed pricing so you know your total cost upfront. Call (850) 930-1813 for your free measure.
Key Takeaways for South Miami Homeowners
- Every window needs a Miami-Dade NOA number. South Miami’s building department rejects permits without it.
- Jalousie windows cannot be retrofitted. Full-unit replacement is the only compliant option for South Miami’s historic CBS homes.
- You can phase the work. But the insurance discount comes only when every opening is compliant.
- Fixed pricing up front. Free in-home measure, written line-item quote, no change orders.
- Done Right Promise. If it’s not done right, we make it right. Ed’s name is on the door.
Call Winslow Windows & Doors for Your South Miami Impact Windows
You need a window company that knows what South Miami’s building department will accept and what your insurer will want to see. You need crews who understand the jalousie openings on these old CBS homes and the humidity that eats cheap hardware. That’s us. Call (850) 930-1813 today for your free in-home estimate. A live person answers, 24/7. We’ll measure, we’ll quote you a fixed price, and we’ll handle the permit from the NOA numbers to the final inspection. Winslow Windows & Doors is the one down the road, and Ed’s name is on every job we do.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving South Miami and South Florida since 2011.
Six Reasons Homeowners Choose Winslow 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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