Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across South Miami
Window installation in South Miami means working inside Miami-Dade’s High Velocity Hurricane Zone, where every permitted replacement window has to carry a Miami-Dade Notice of Acceptance (NOA) proving it can take 175+ mph wind loads and large-missile impact. Most homes here were built between the 1950s and 1970s, and the original jalousie or single-pane aluminum windows fail both the HVHZ code and any realistic energy standard. We handle those full-unit swaps every week, from the first permit form to the final inspection. Call (850) 930-1813 and we’ll schedule a free in-home measure and written quote.
Why Winslow Windows & Doors Is South Miami’s Preferred Window Installation Company
Ed Winslow’s name is on the door, and on every job we do. Since 2011, we’ve been the locally owned alternative to the national chains that hand you a ticket number instead of a person. South Miami homeowners know that when they call (850) 930-1813, a live person answers. Not a call center. Not a voicemail. That matters when a permit question comes up on a Friday afternoon or a window gets cracked the week before hurricane season.
Our technicians are background-checked and show up in uniform, so you know exactly who’s at your door before the truck pulls up. We stock parts for CWS, ES Windows, and Mr-Glass configurations and can turn around most repairs and replacements without waiting on a distant warehouse. The standing offers apply here too: $40 off any repair over $200, a free second opinion on any written estimate, and no trip charge inside our home county. Seniors and veterans get a permanent 10% discount. Every job carries the Done Right Promise: if it’s not done right, we make it right.
Our Window Installation Services in South Miami
Here’s what we install most often in South Miami, and how each window type handles the local conditions.
Single & Double Hung Windows
Single and double hung windows are the most common replacement for older South Miami bungalows when homeowners want impact protection without changing the look of the house. In a CBS ranch from the 1960s, a double hung with a Miami-Dade NOA can slide into the original rough opening and still meet the wind zone requirements. Expect to choose between vinyl or aluminum frames, and plan for corrosion-resistant hardware that won’t seize up in the humidity.

Horizontal Roller Windows
Horizontal roller windows are standard across South Miami’s mid-century homes built with wide, low openings. The advantage in this climate is the full-width ventilation when the sea breeze finally shows up. But the old ones leak, and the tracks fill with dust and salt. We replace them with impact-rated units that close tight and seal out wind-driven rain.

3-Panel Sliding (3-Lite Roller) Windows
Three-panel sliders open up a big view and let a lot of air move through a room, which is exactly why they were so popular in 1960s South Miami construction. The challenge is the wide span: the frame has to handle the same wind load as a smaller window across a much larger surface. We match the design pressure to the specific rough opening, and we don’t guess. That’s what the NOA number is for.

Casement Windows
Casement windows are our most-recommended upgrade for South Miami’s CBS homes because the compression seal is simply better than anything a sliding or double hung sash can do. When a crank closes, the sash presses into the frame. In a hurricane, that’s the difference between a dry windowsill and a wet floor. We install a lot of PGT and CWS casements on SW 58th Avenue and the streets around the historic core.

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 an authorized installer for PGT, CGI, and Therma-Tru, and we also carry CWS, ES Windows, and ECO Window Systems configurations for South Miami customers who need a specific frame profile or finish. Because we keep local parts inventory, a warranty call doesn’t turn into a two-week wait. If a window was installed by another company and the installer has vanished, we’ll service it anyway. A window that won’t close is a problem today, not next month.
Common Window Installation Problems We See in South Miami Homes
- Jalousie windows that can’t pass a 4-point inspection. The louvered glass from a 1960s South Miami ranch has no impact rating at all, which means insurance companies either price the home out or cancel the policy. There’s no retrofit path. The only legal fix is a full-unit replacement.
- HVHZ seal failure from humidity and UV. Cheap silicone and non-corrosion-resistant hardware degrade fast in South Miami’s year-round humidity and intense sun. We pull failures after two hurricane seasons that would have lasted a decade in Central Florida because the installer used the wrong sealant.
- Undersized framing under new impact windows. Original 1950s jambs in CBS construction are often too thin for the weight and wind load of a modern impact-rated unit. Without reframing, the stucco cracks and the window deflects beyond its design pressure.
- Hidden waterproofing failures behind old sashes. We regularly find rotted or missing flashing once the original window comes out. If it’s not corrected before the new unit goes in, water intrusion follows and the whole job has to be redone.
Pricing for Window Installation in South Miami, FL
Window installation pricing in South Miami runs in tiers. A basic impact single hung starts around $900 and can reach $1,800 per window depending on size, frame material, and design pressure. Large or custom openings, including bay and bow configurations, typically run $2,500 to $5,000. Whole-home packages on a standard 1950s or 60s CBS ranch usually land between $8,000 and $25,000. The variables that move your number: how many openings, whether you want casement or fixed picture windows, whether the original framing needs strengthening, and the specific NOA product configuration. We write a fixed line-item quote before work starts, and any hidden condition gets priced and approved in writing before we touch it. Call (850) 930-1813 to schedule a free in-home measure.
What Window Installation Costs in South Miami
Let’s be more specific. Impact windows in South Miami generally run $800 to $1,500 per window installed, with single hungs at $900 to $1,800 and large or custom openings at $2,500 to $5,000. Whole-home packages run $8,000 to $25,000+. The floor height matters: a second-story window needs a different design pressure calculation than a ground-floor opening, and the NOA product number changes with it. Frame material moves the number too. Aluminum is usually less expensive up front, but in South Miami’s salt air, a corrosion-resistant finish is not optional. Vinyl frames hold up better against humidity but cost a bit more. The permit itself is part of the line item, and we don’t bury it in a change order later. Come measure, quote, and a written plan. Call (850) 930-1813 for your free estimate.
Florida Pays You Back
South Miami homeowners have access to a meaningful stack of incentives. The My Safe Florida Home program offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, and impact windows are exactly the kind of upgrade the program was built for. Florida also has a sales-tax exemption on impact-resistant windows and doors, which shaves real money off the invoice. The federal 25C energy credit covers 30% of the product cost on qualifying energy-efficient units, up to $600 per year. After installation, a wind-mitigation inspection (typically $75 to $150) can unlock premium credits from your windstorm carrier, often around 25% on the windstorm portion of the policy. Programs and carriers set the final numbers, so we can’t guarantee a specific credit. But we’ll hand you the NOA documentation you need to file for it.
One thing worth understanding before you spend anything: impact windows versus hurricane shutters. Shutters are cheaper up front, but someone has to hang them before every storm, and they do nothing for energy efficiency the other 360 days a year. Impact windows are permanent protection with no panels to drag out of the garage. For South Miami’s older homes, the insurance math alone usually makes the window route the better long-term call.
What Opening Up a South Miami Home Actually Turns Up
This is the part nobody explains until the invoice shows up. South Miami’s original 1950s to 1970s jalousie windows cannot be retrofitted to meet HVHZ impact requirements. Any permitted replacement is automatically a full-unit swap. There’s no glazing, no film, no halfway fix. The South Miami building department requires the NOA product number on every permit submission before it will schedule an inspection. If your contractor didn’t tell you that up front, your quote was already wrong.
Once the old window comes out, the wall tends to tell its own story. On a 1963 CBS ranch near SW 58th Avenue, our crew opened the walls for a full jalousie-to-impact-window swap and found undersized aluminum framing and failed waterproofing hidden behind the original sashes. That’s not unusual in this neighborhood. We wrote the reframing and HVHZ-rated silicone sealing into the contract allowance up front, upgraded to PGT casement windows with Miami-Dade NOA numbers, and got the permit approved before scheduling inspection. The homeowner knew the total number before the first hammer swing.
Here’s how we handle every South Miami job: inspection first, allowances written into the contract, and any surprise priced and approved in writing before we touch it. You’ll never get a call mid-project telling you the number just moved. That’s the Winslow way, and it’s why Ed’s name is on the invoice.
We Also Serve Cities Near South Miami
Our Window Installation team serves South Miami and the surrounding communities, including Miami, Hialeah, Doral, and Coral Gables. If you’re on the edge of South Miami or just across the city line, call (850) 930-1813 and we’ll confirm coverage. The trip charge is waived inside our home county, so a South Miami address usually means no trip fee at all.
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 - Window Installation in South Miami
Because Miami-Dade County’s HVHZ code does not recognize impact film or any louvered-glass retrofit as compliant with large-missile impact requirements. Jalousie windows fail the test by design. The only permitted fix is a full-unit replacement with a window that carries a Miami-Dade NOA number. If an installer tells you different, call the South Miami building department and ask. Then call us at (850) 930-1813 for a written quote on a real replacement.
The two big ones are reframing and waterproofing. Original 1950s jambs are often undersized for the weight and wind load of a modern impact window, and the old flashing is frequently rotted or missing entirely. Both have to be corrected before the new unit goes in. We write allowances for these conditions into the contract up front, and any additional finding gets a written approval from you before work continues. You’ll never get a surprise invoice.
Yes, provided the units carry the correct Miami-Dade NOA number for the specific opening and are installed to code. After installation, you’ll typically need a wind-mitigation inspection ($75 to $150) to document the upgrade for your carrier. The premium credit is set by the insurance company, but many South Miami homeowners see meaningful savings on the windstorm portion. We’ll hand you the paperwork you need. Call (850) 930-1813 to get started.
South Miami’s combination of hurricane-season storm surge risk, year-round high humidity, and intense UV exposure means window seals, glazing compounds, and weatherstripping degrade significantly faster than in Central or North Florida. The fix is not just a better sealant; it’s the right sealant. We use HVHZ-rated silicone and corrosion-resistant hardware on every installation. Installers from outside the county often don’t know the difference, and their work fails within two hurricane seasons.
You can replace a single pane, and we’ll do it if that’s what you want. But understand that the repair does nothing for your insurance rating or your code compliance. The jalousie window is still non-compliant with HVHZ impact requirements, and the rest of the panes are still just as old. Most South Miami homeowners eventually do the full swap. Call (850) 930-1813 and we’ll give you a price on both options, so you can decide with real numbers in hand.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving South Miami with window, door, and roof protection 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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