Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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AfterFast, Reliable Impact Windows Across Miami
If you own a home or condo in Miami, impact windows aren’t a luxury upgrade. They’re the legal requirement that stands between your family and the next named storm rolling off the Atlantic. Winslow Windows & Doors has been installing impact-rated windows and doors across Miami since 2011, and we know exactly what this market demands: Miami-Dade NOA compliance, HVHZ-rated glass, and crews who understand concrete block construction. Call (239) 310-4121 and you’ll get a live person, not a voicemail loop. Ed Winslow’s name is on the door, and on every job we do in Miami.
Key Takeaways
- Miami-Dade is a High Velocity Hurricane Zone (HVHZ), so every window must carry a Miami-Dade NOA, not just a Florida Product Approval.
- Impact windows in Miami run $800 to $1,500 per window installed, with whole-home packages from $8,000 to $25,000+.
- Qualifying impact windows can cut Miami homeowners insurance windstorm premiums by roughly 25% on the windstorm portion.
- Older CBS homes with jalousie windows often trigger full-house replacement once a single permit gets pulled.
- Winslow backs every install with the Done Right Promise and offers free in-home estimates.
Why Winslow Windows & Doors Is Miami’s Preferred Impact Windows Company
We’re not a faceless national chain that hands you a ticket number. We’re the Impact Windows team local homeowners call when they want the job done to code the first time. Ed Winslow founded this company in 2011, and we’ve been building our reputation in Miami one inspection-passing install at a time. Our technicians are background-checked and arrive in uniform, so you know exactly who’s at your door before the truck pulls up.
What sets us apart in Miami specifically is our working knowledge of the HVHZ code. We know which PGT, CGI configurations carry Miami-Dade NOA numbers and which ones don’t. We know how a 1960s CBS home in Little Havana behaves differently from a high-rise unit in Brickell when you pull an old jalousie out of the wall. And we know the inspection process inside and out from permitting to final sign-off. When you call (239) 310-4121, you’re calling a locally owned company with a published address and license number. A neighbor you can call at 2 a.m. and someone will actually answer.
Our Impact Windows Services in Miami
Impact Window Installation
We install impact-rated windows throughout Miami, from single replacements in Coral Gables bungalows to full-floor retrofits in Edgewater condos. Every unit is matched to the design pressure rating for the specific opening and elevation, which matters more here than anywhere else in Florida. We work with concrete block, wood frame, and high-rise curtain wall envelopes, and we handle the HOA approval paperwork that condo associations demand.
Impact Window Replacement
If you’re pulling out old jalousies or failed single-pane aluminum windows in West Miami or Hialeah, we replace them with code-compliant impact units that actually seal against salt air and wind-driven rain. Replacement jobs in Miami often expose hidden framing rot and failed flashing behind the stucco, which is exactly where our experience prevents surprise change orders. We price the rebuild in writing before we touch the wall.
Impact Sliding Glass Doors
Miami’s indoor-outdoor living style means sliding glass doors are everywhere, from Little Havana duplexes to Biscayne Bay waterfront homes. We install impact-rated sliders that meet HVHZ requirements and still glide smoothly after years of salt exposure. Frame material matters here: aluminum holds up better than vinyl in Miami’s coastal air, which is why we recommend PGT and CGI aluminum lines for most waterfront openings.
Custom and Geometric Impact Windows
Older Miami homes often have odd-size openings, arch tops, and radius corners that big-box installers won’t touch. We order custom impact windows from our authorized brand partners and build the rough openings to match. Whether it’s a 1950s MIMO district home with original steel casements or a modern spec house in Coconut Grove with floor-to-ceiling fixed glass, we measure, order, and install to the exact opening and wind load.
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 Miami
We’re an authorized installer for PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru. For Miami jobs specifically, we lean on PGT and CGI most often because their configurations carry the Miami-Dade NOA numbers that satisfy HVHZ inspections without exception. ViewLux works well for mid-rise condo retrofits where budgets and opening sizes are tighter. We keep common replacement hardware and sealant stocks on hand so we can turn around repair and retrofit work faster than a national chain ordering from a warehouse three states away. If you have a specific brand or product line in mind, call (239) 310-4121 and we’ll tell you straight whether it’s legal for your Miami opening.
Common Impact Windows Problems We See in Miami Homes
- Jalousie windows that can’t pass inspection: Tens of thousands of Miami homes built between the 1940s and 1980s still have original jalousie louvered windows. They’re not impact-rated, they can’t be retrofitted to meet HVHZ, and once a permit is pulled for any opening, the inspector often flags every remaining jalousie on the property. One window turns into a whole-house job.
- Salt-air corrosion on aluminum frames and hardware: Miami’s location flanked by Biscayne Bay and the Atlantic means airborne salt attacks window frames and fasteners faster than inland cities. We regularly see Miami Beach condo balcony doors where the frame corners have corroded through in under a decade, making new impact sashes unable to seal or latch properly.
- Hidden water intrusion behind stucco at rough openings: When we remove an old window in a Miami CBS home, we frequently find failed flashing and rotted wood bucks behind the stucco. The old window was letting water into the wall for years before anyone noticed, and the opening needs a full rebuild before the impact unit can go in.
- Wrong product approvals from out-of-town installers: We’ve been called to fix jobs where a contractor from Orlando or Jacksonville installed a window that carries a Florida Product Approval but no Miami-Dade NOA. That window is illegal in Miami-Dade County and will fail a re-roof or point-of-sale inspection. You can’t fix that with caulk; you replace the window.
Pricing for Impact Windows in Miami, FL
Impact windows in Miami run $800 to $1,500 per window installed for standard openings. Single-hung impact units range from $900 to $1,800 depending on size and frame material. Large custom openings, corner sliders, or floor-to-ceiling fixed glass run $2,500 to $5,000 per opening. A whole-home package for a typical 2,000-square-foot Miami CBS home usually lands between $8,000 and $25,000+ depending on the number of openings and the product line.
What moves the price in Miami specifically: opening count, floor height (high-rise units need higher design pressures and sometimes crane rigging), frame material (aluminum costs more than vinyl but survives salt air better), and whether the rough opening needs a rebuild once we pull the old window. If you’re in a condo with HOA architectural requirements, that adds a layer of approval time but usually not much cost. We give free in-home measurements and written line-item quotes, so you’ll see the exact number before you sign anything. Call (239) 310-4121 to schedule yours.
What Impact Windows Costs in Miami
Let’s break this down with real anchors, because Miami homeowners deserve to know the number before the inspector shows up. Impact windows here generally run $800 to $1,500 per window installed for standard sizes. Impact single-hung windows run $900 to $1,800 per unit. Large or custom openings, like a 12-foot sliding glass door or an architectural fixed panel, run $2,500 to $5,000. Whole-home packages for a typical Miami CBS house with 10 to 20 openings land between $8,000 and $25,000+.
Three things move the price in Miami more than anywhere else in Florida. First, the HVHZ wind zone: your home’s position relative to the coast determines required design pressures, and higher ratings mean heavier glass and stronger frames. Second, floor height: a condo unit on the 20th floor of a Brickell tower needs higher design pressures and possibly rigging logistics that a single-story Hialeah home doesn’t. Third, frame material: aluminum costs more upfront than vinyl but is the right call for Miami’s salt air. We measure every opening free, then give you a written line-item quote with exact product model numbers and NOA compliance documented. No allowances, no “we’ll see once we open the wall” games. Call (239) 310-4121 for your free estimate.
Florida Pays You Back
Miami homeowners have access to an incentives stack that doesn’t exist in most of the country. The My Safe Florida Home program offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, and impact windows are on the approved list. Florida also exempts impact-resistant windows and doors from sales tax, which saves you 7% on the entire product and install cost right off the top. And the federal 25C energy credit can return 30% of the product cost, up to $600 per year, on qualifying energy-efficient units.
The bigger payoff is on your insurance. After a wind-mitigation inspection, which typically costs $75 to $150, Miami homeowners with qualifying impact windows see their windstorm premium drop by an average of around 25% on the windstorm portion of the policy. In a market where windstorm premiums are among the highest in the nation, that’s hundreds to over a thousand dollars a year back in your pocket. Programs and carriers set the final numbers, so we’ll never guarantee a specific savings figure, but we can tell you which product configurations qualify for the credits and inspections. Upfront pricing. No surprises on the invoice.
The Miami Permitting Trap Every Homeowner Should Know About
Miami-Dade County is the only major US metro designated a High Velocity Hurricane Zone (HVHZ). Every impact window installed in Miami must carry a Miami-Dade NOA, a certification strictly tighter than the standard Florida Building Code that governs Orlando, Tampa, and Jacksonville. Products that are perfectly legal elsewhere in Florida are frequently prohibited here. That’s the single biggest reason Miami homeowners get burned by big-box installers: the window gets installed, the inspector fails it, and the homeowner is left holding a worthless permit and an illegal window.
The failure chain often starts innocently. You pull a permit to replace one jalousie window in a 1960s CBS home in West Miami. The inspector comes out, sees eight more jalousies on the same elevation, and flags them all. No jalousie can meet HVHZ. Suddenly your single-window permit becomes a whole-house replacement. That’s not a contractor upselling you; that’s Miami code doing its job. We’ve walked dozens of Miami homeowners through this exact scenario, and the difference is that we plan for it from day one. We inspect every opening before we quote, flag the windows that won’t pass, and build the full scope into your written quote so the inspector’s findings match the contract, not the change order.
What We Found Opening Up a Little Havana Home
In Little Havana, our crew opened up a 1960s CBS home for what was supposed to be a single jalousie replacement. What we found was the original sill pans rotted through from decades of salt air, plus aluminum frames so corroded the jambs flexed under hand pressure. The inspector arrived, flagged all eight remaining louvered windows as non-compliant, and the job changed. We wrote a change order with PGT 7600 series impact-rated units, new pressure-treated bucks, and a full re-flash on every opening, priced and approved in writing before we touched a wall. That’s the difference between a contractor who sees Miami homes every week and one who’s guessing. If you’re in an older Miami neighborhood, expect the unexpected. We’ll make sure it’s priced, explained, and approved before it becomes a problem.
We Also Serve Cities Near Miami
Winslow Windows & Doors serves all of Miami-Dade. If you’re in Miami or neighboring communities like Miami Beach, Coral Gables, Hialeah, or Miami Gardens, we’ll bring the same crew quality and HVHZ expertise to your home. The code is the same countywide, but the housing stock changes block by block, and we know the difference. Call (239) 310-4121 and we’ll tell you straight what your home needs.
Serving Miami, FL - Our Local Coverage Area
We’re based in the 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 Miami
A Miami-Dade Notice of Acceptance is a product certification specific to High Velocity Hurricane Zone requirements, which is a higher standard than the Florida Building Code used in most of the state. In Miami-Dade County, a window with only a generic Florida Product Approval is not legal to install in most residential applications. The NOA testing includes large-missile impact and cyclic wind pressure that generic approvals don’t require. We only install units with current Miami-Dade NOA numbers for Miami jobs, so call (239) 310-4121 and we’ll confirm your specific product is compliant before you spend a dollar.
This is common in Miami homes built between the 1940s and 1980s, especially near the coast. If we find rotted wood bucks or undersized framing at the rough opening, the opening gets rebuilt with pressure-treated lumber before the impact window goes in. That’s a code requirement and the right way to do it. We always write a rebuild allowance into the contract for older homes so the cost is disclosed upfront, and any additional discovery gets priced and approved in writing before we proceed. You’ll never get a surprise invoice from us.
No, you can’t legally keep jalousie windows in a Miami-Dade single-family home if you’re doing permitted work on that opening. Jalousie windows cannot meet HVHZ requirements no matter what glass you put in them, because the louvered frame itself fails the structural and wind-borne debris testing. Once the window is disturbed for a permitted repair or replacement, the inspector will require a code-compliant impact unit for that opening. And in many cases, the inspector will flag the rest of the jalousies on the same elevation as non-compliant. Plan for full replacement, not retrofit. Call (239) 310-4121 for a free assessment of what your home actually needs.
The HVHZ requires impact glazing and frames to withstand large-missile impact and cyclic wind pressure without failure, which is a more demanding test than most national window lines are designed for. Some national brands don’t carry any configurations with Miami-Dade NOA numbers at all, so they’re automatically off the table for Miami installs. Others carry NOAs only for specific sizes and products. We work primarily with PGT, CGI for Miami because those manufacturers maintain current NOAs across the configurations most common in local housing, from 1940s CBS cottages to Brickell high-rises. We’ll match the product to your opening’s design pressure and NOA requirement, not just to what’s on sale.
Most Miami homeowners see their windstorm premium drop by an average of about 25% on the windstorm portion of their policy after a wind-mitigation inspection confirms qualified impact windows. In Miami’s insurance market, where windstorm premiums are among the highest in the US, that often saves hundreds to over a thousand dollars a year. Add the sales tax exemption on impact windows and doors, the My Safe Florida Home grant of up to $10,000, and the federal 25C energy credit of up to $600 per year, and the total incentives stack can cut your effective cost by a third or more. Final savings depend on your carrier and your home’s wind-mitigation features, so call (239) 310-4121 and we’ll walk you through which products qualify for the credits that matter to your policy.
Impact Windows vs Hurricane Shutters: The Miami Reality Check
Shutters are cheaper upfront. Impact windows are cheaper over time. In Miami, the math tilts toward permanent protection for one simple reason: shutters only work if someone is home to deploy them, and they fail when you’re out of town. Hurricane Andrew made landfall 25 miles south of Miami in 1992, and plenty of Miami homeowners came home to destroyed houses because their shutters were still stacked in the garage. Impact windows protect your home 24/7, 365 days a year, with no panels to hang and no tracks to maintain. They also qualify for the insurance wind-mitigation credit, which shutters alone won’t maximize. If you’re in a Brickell or Edgewater condo, HOA rules often require permanent impact glazing anyway, not removable shutters. Impact-rated. Energy-certified. Done right the first time, or we come back.
Your Next Step: Call Winslow Windows & Doors
Every Miami home we open up tells us a story, and we’d rather hear yours before the inspector writes it for you. Winslow Windows & Doors has been doing this since 2011, with Ed Winslow’s name on every job. We’re authorized installers for PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru. We answer the phone 24/7 with a live person, not a call center. We offer $40 off any repair over $200, free second opinions on written estimates, no trip charge inside Miami-Dade, and a permanent 10% discount for seniors and veterans. If it’s not done right, the Done Right Promise means we make it right. The one down the road. Call (239) 310-4121 to schedule your free in-home estimate.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Miami 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.