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 Miami
Window replacement in Miami costs between $800 and $1,500 per impact-rated unit installed, with whole-home projects typically running $8,000 to $25,000 or more depending on opening count and wind zone. Westlight Windows & Doors has been installing windows since 2009, and our Miami crews work within the strictest hurricane code in the country. We know what the Miami-Dade NOA system requires, because we file these approvals every single week. Call (903) 354-7134 and you’ll get a live person, not a voicemail box.

If you live in Little Haiti, Coral Gables, Kendall, or any neighborhood in between, you already know the humidity and salt air do not forgive cheap frames. We carry eight manufacturer lines and we match the product to the opening, not the other way around. At the end of the job you receive a written guarantee under the Kingswell Guarantee, not a verbal promise. Owen Satterfield runs this operation the way he’d want a contractor to treat his own house: a written price before work starts, a real arrival window, and a follow-up if anything fails.
Why Westlight Windows & Doors Is Miami’s Preferred Window Replacement Company
Our Window Replacement team has spent years working Miami-Dade’s particular building stock: 1950s and 1960s CBS homes with jalousie windows set directly into poured concrete, condos along Brickell with wind-load requirements a block inland never sees, and mid-century ranches in West Miami where the original aluminum frames have been sweating and corroding for decades. We know which openings need masonry coring and anchor bolts, and which need a straightforward insert. That local knowledge changes the estimate, and it changes the install.
Miami homeowners call us because we answer. The phone lines are staffed by a real person 24 hours a day, seven days a week. When a homeowner in Hialeah asks whether their original jalousie windows can be swapped for impact units, the person who answers can actually tell them what that job involves. Every technician who walks through your door is background-checked and uniformed. The work is backed by the 365-Day Done Right Promise: if the work is not right within the guarantee period, we come back and fix it at no charge.
Window Glass Replacement in Miami
Window Glass Replacement in Miami almost always means one of two things: the seal between the panes has failed and the unit is fogged, or the glass has cracked or shattered and needs to be swapped before the next storm. In either case, if the window is an impact-rated unit, the replacement glass must carry the same Miami-Dade NOA number as the original sash. That rule catches a lot of homeowners off guard. A standard glass shop may sell you a cheaper lite that the county inspector will reject, and your insurance carrier may refuse the wind-mitigation credit because the replacement product is not listed in the HVHZ approval database.
Glass-only replacement in Miami generally runs $400 to $900 per window depending on glass type, size, and whether the existing frame is sound. A fogged double-pane unit in a vinyl frame is on the lower end. A laminated impact lite in a corroded aluminum frame is higher, because the frame usually needs work too. We check the frame before we quote the glass, because replacing glass in a frame that’s already failing is throwing money away.
Seal Failure and Fogged Glass
Miami’s heat and humidity are brutal on insulated glass units. The constant thermal cycling breaks down the edge seal, moisture gets between the panes, and the window fogs permanently. Once that happens, the insulating gas is gone and the glass is just two wet panes. The fix is a new insulated unit, and in Miami-Dade that unit must match the original approval number when the window is impact-rated.
Cracked or Storm-Damaged Lites
A cracked lite is not just an eyesore. In a hurricane, a single cracked pane becomes a failure point for the whole opening. Miami-Dade code requires large-missile impact resistance, and that rating dies the moment the glass is compromised. We replace broken lites with glass that matches the original design pressure rating, so the opening still does what the permit said it would do.
Window Sash Replacement in Miami
Window Sash Replacement in Miami usually applies to single-hung and double-hung windows where the moving part of the window, the sash, has rotted, warped, or stopped sealing. In older Miami homes, we see sashes that have been painted shut for so long the balance springs are shot. In condos near Biscayne Bay, we see sashes where the aluminum frame itself has started to corrode from salt exposure.
Replacing the sash rather than the whole window typically runs $350 to $700 per sash in Miami, assuming the existing frame and rough opening are sound. That’s often the smartest move on a vinyl or wood window that still has good bones. But if the frame is a thin mill-finish aluminum unit from the 1970s, we’ll usually tell you straight: the sash is not the weak point, the frame is. A new sash in a corroded frame is a Band-Aid, and Miami’s air will find the gap within a season.
When the Sash Is the Problem
You’ll know the sash is failing when the window won’t stay open, won’t lock, or leaks air around the edges even though the glass is intact. We see this constantly in houses along Coral Way and in older sections of the Roads neighborhood. The fix is a sash that matches the existing frame profile, fitted tight, with new balances and weatherstripping.
When the Frame Is the Real Problem
If the frame itself is soft, rusted, or out of square, a sash replacement is wasted money. Miami’s humidity means wood frames rot from the inside, and salt air off the Bay eats aluminum from the outside in. We’ll tell you which one you’re dealing with before we quote anything, because the Kingswell Guarantee means the price we put in writing is the price you pay, and we’d rather replace the right thing once than the wrong thing twice.
Trusted Brands We Service in Miami
We install and service window products from PGT, CGI, ECO Window Systems, and CWS, among the eight manufacturer lines we carry. That matters in Miami because not every brand holds current Miami-Dade NOA approvals across every product configuration. We stock common replacement parts and glass lites locally for Miami customers, which means less waiting on a custom order when a sash or an insulated unit fails. PGT and CGI are the workhorses for impact-rated work in the county. ECO Window Systems covers the energy-efficiency side with laminated glass interlayers that cut solar heat gain. The product selection follows the code and the opening, not a sales rep’s spiff.
Common Window Replacement Problems We See in Miami Homes
- Jalousie windows set into raw concrete. Thousands of 1950s and 1960s CBS homes in Little Haiti, Liberty City, and Hialeah still have their original louvered glass windows. These openings were cored directly into the masonry with no wood buck, so a modern impact frame requires anchor-bolting the jamb into the concrete. A crew that only knows wood-frame installation will either botch it or walk away mid-job.
- Corroded aluminum frames from salt air. Standard mill-finish aluminum lasts a few years within a few miles of Biscayne Bay or the Atlantic. We specify anodized or painted marine-grade frames on any coastal job, because the alternative is a frame that pits and leaks within two or three rainy seasons.
- Units without current Miami-Dade NOA numbers. This is the most expensive mistake we see. A homeowner buys windows from an out-of-county supplier, the units look fine, and then the county inspector fails the job at final because the product is not in the HVHZ approval database. The windows have to come out. The wind-mitigation credit never lands.
- Fogged insulated glass from humidity cycling. Miami’s year-round high humidity and intense UV exposure cause edge seals to fail faster here than almost anywhere else in the state. Once the seal goes, the unit loses its insulating gas and fogs permanently. The replacement lite has to match the original Miami-Dade approval if the window is impact-rated.
Pricing for Window Replacement in Miami, FL
You can expect to pay $800 to $1,500 per impact-rated window installed in Miami. Larger custom openings run $2,500 to $5,000. A whole-home package on a typical three-bedroom CBS house lands between $8,000 and $25,000 depending on the number of openings, the wind zone, and the floor height. Our Window Replacement team gives you a written line-item price before any work starts. That’s the Kingswell Guarantee: the number on the quote is the number on the invoice. No door-step surprises, no revised estimates. Call (903) 354-7134 to schedule an in-home measure and get your written price.

What Window Replacement Costs in Miami
Impact windows in Miami generally run $800 to $1,500 per opening installed. Single-hung impact units are $900 to $1,800. Large or custom openings, like a picture window or a sliding glass door, fall between $2,500 and $5,000. Whole-home packages start around $8,000 and can exceed $25,000 for larger homes or higher wind zones. What moves the price here? Opening count, first. Wind zone, second, homes closer to the coast face higher design pressure requirements. Floor height matters too, since upper-floor openings carry more wind load. Frame material is the last big lever: marine-grade anodized aluminum costs more than standard vinyl, but it is the right call within a few miles of the Bay. The estimate is free. The written price is the price. Call (903) 354-7134 to get yours.
Florida Pays You Back
Do not leave money on the table. My Safe Florida Home offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, including impact windows and doors. Florida also exempts impact-resistant windows and doors from sales tax, which knocks six to seven percent off the top in Miami-Dade. On the federal side, the 25C energy credit covers 30% of the product cost, up to $600 per year, on qualifying energy-efficient units. And the big one for Miami homeowners: after a wind-mitigation inspection, which typically costs $75 to $150, most insurance carriers apply a windstorm-premium credit averaging around 25% on the windstorm portion of the policy. We cannot guarantee what your carrier will approve, but documented compliance with Miami-Dade NOA requirements is the thing that unlocks the credit. Impact windows also beat hurricane shutters for one simple reason: there is nothing to haul out of a closet and hang at 2 a.m. when a storm shifts toward the coast. The protection is already in the opening, permanently.
Miami-Dade NOA and the Approval Chain
Here is the part most people do not learn until the inspector is standing in their living room. Miami-Dade County runs its own product approval system, called Notice of Acceptance, created in direct response to 1992’s Hurricane Andrew. Every window unit installed in the county must carry a current Miami-Dade NOA number. Not a Florida Product Approval number. A Miami-Dade NOA number. Identical units sold in Broward or Palm Beach are not required to hold this approval. The NOA system requires large-missile impact testing that exceeds the rest of Florida’s Building Code. The product gets launched at with a nine-pound two-by-four traveling at a specific speed, then pressure-cycled for thousands of cycles to simulate hurricane winds. If it passes, it gets an approval number tied to a specific configuration: frame material, glass type, size range, design pressure rating. If the configuration changes, the approval changes.
That approval number is the thing your permit references. It’s the thing the county inspector checks at final. It’s the thing your insurance carrier looks for in the HVHZ approval database when you file a wind-mitigation report. A cheap quote from a big-box retail install or an out-of-county crew often omits this piece entirely. The windows go in, the inspection fails, the windows come out. A compliant quote includes the specific Miami-Dade NOA number for each opening, the design pressure rating matched to the wind zone, and the permit pulled with the county. Anything less is not a deal, it’s a do-over.
We were called to a 1962 CBS home in Little Haiti where the original jalousie windows had been caulked shut for years. The openings were cored directly into poured concrete with no wood buck, so our crew had to core and anchor-bolt each jamb to accept a PGT impact frame. We installed an ECO Window Systems laminated glass interlayer unit with a current Miami-Dade NOA number. The homeowner’s carrier later confirmed the wind mitigation credit, which cut their annual premium by roughly a third. That’s what compliant work does here. The product approval, the permit, the install, and the insurance credit all run on the same chain.
Why Frame Finish Matters More in Miami
Miami’s air is wet, hot, and salty. Humidity averages above 75% year-round. The sun beats down with UV intensity that inland Florida never sees. And the air coming off Biscayne Bay and the Atlantic carries salt that settles on every exposed surface. A standard mill-finish aluminum frame will start to pit and corrode within a few years in that environment. Not a decade. A few years. Once the frame pits, the weep holes clog, water backs up, and the frame leaks into the wall. That is why we specify anodized or painted marine-grade frames on Miami jobs as the practical baseline, not an upsell. It is the difference between a window that lasts and a window that fails before the warranty is even relevant. Vinyl frames avoid the corrosion problem entirely, but vinyl expands and contracts in Miami’s heat, and on large openings the seals can get stressed. We match the frame material to the exposure and the opening size, and we explain why in the quote.
We Also Serve Cities Near Miami
Our crews cover the full metro: Miami, Miami Beach, Coral Gables, Key Biscayne, and Hialeah. The code requirements do not change at the city line, because Miami-Dade County enforces the NOA system county-wide. Coral Gables has its own building department, but every window still has to carry a current Miami-Dade NOA number. Wherever your house sits in the metro, the standard is the same. Call (903) 354-7134 to schedule your free in-home measure.
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 About Window Replacement in Miami
Yes. Every window unit installed in Miami-Dade County, including replacement windows, must carry a current Miami-Dade Notice of Acceptance number for the specific product configuration. This applies to impact-rated and non-impact windows, though the testing standard differs. A unit without a valid NOA listing will fail county inspection at final, and the windows must be removed and replaced. Call (903) 354-7134 and we’ll verify the approval number before we ever write the quote.
A compliant impact window, properly documented with its Miami-Dade NOA number, is the single biggest lever most Miami homeowners have for reducing their windstorm premium. After a wind-mitigation inspection, which typically runs $75 to $150, most carriers apply a credit averaging around 25% on the windstorm portion of the policy. The key word is documented. The approval number has to match the opening, the permit has to close, and the inspection report has to list the right product. We handle all of that. Call (903) 354-7134 for an exact quote on your house.
No, and this is one of the biggest surprises for Miami homeowners. Jalousie openings in Hialeah, Little Haiti, and other 1950s and 1960s CBS neighborhoods were often set directly into poured concrete or CMU block with no wood buck. A modern impact frame cannot be screwed or nailed into a void. The masonry has to be cored and anchor-bolted to accept the new frame, and that adds labor and material cost to the estimate. A crew that does not know CBS construction will either underbid it and cut corners, or fail the framing inspection. We do this work every week, and our written price reflects the real scope from day one.
Salt air. Miami’s proximity to Biscayne Bay and the Atlantic means the air itself is corrosive, and standard mill-finish aluminum frames begin pitting within a few years. Once the frame pits, the weep holes clog and water backs up into the wall. Inland Florida does not have this problem, which is why so many standard product lines use mill finish. We specify anodized or painted marine-grade frames on Miami jobs as the baseline, because the cost difference is small and the durability difference is measured in decades. Call (903) 354-7134 and we’ll show you both options side by side so you can see the difference.
Yes, measurably. Low-E glass, which is a thin coating that reflects heat back out in summer, reduces solar heat gain through the window by a significant margin. In Miami, where air conditioning runs nearly year-round, that directly reduces cooling load. Energy-efficient units from ECO Window Systems and other lines we carry can qualify for the federal 25C energy credit: 30% of the product cost, up to $600 per year. The savings show up in the electric bill and the tax filing. Call (903) 354-7134 to schedule your free in-home measure and get a written price on Low-E impact units.
Contact Westlight Windows & Doors in Miami
If you need window replacement in Miami, call (903) 354-7134. You’ll reach a real person, any hour, any day. We’ll schedule a free in-home measure, walk the openings with you, and hand you a written line-item price before any work starts. The Kingswell Guarantee puts all four promises on every job: a written price, a real arrival window, a clean job site, and a written guarantee on the completed work. Owen Satterfield and the whole crew at Westlight stand behind it.
Written by Owen Satterfield, Owner at Westlight Windows & Doors, serving Miami and the surrounding metro.










Before
After
Before
After
Before
After