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 South Miami
Window replacement in South Miami means working with Miami-Dade County’s High-Velocity Hurricane Zone rules, not against them. We install impact-rated windows that carry a Miami-Dade Notice of Acceptance (NOA), which is the only product approval that legally matters here. If you live off SW 62nd Avenue, near Dante Fascell Park, or anywhere in the 33143 zip code, you’re dealing with salt air, concrete block construction, and wind codes stricter than anywhere else in Florida. Call Ed Winslow’s team at (863) 251-5864 and we’ll walk your house, measure your openings, and give you a written quote the same visit.
Why Winslow Windows & Doors Is South Miami’s Preferred Window Replacement Company
We’re the local crew that shows up when the big-box installer tells you to check your ticket number. Ed Winslow founded this company in 2011, and his name is on every job we do in South Miami. When a homeowner off Sunset Drive or near the South Miami Metrorail station calls, a live person answers. Not a call center. Not a voicemail loop. A person who knows what a jalousie window is and why your insurer wants it gone.
South Miami customers keep our trucks busy for a reason. We know the difference between a 1960s CBS ranch on SW 64th Street and a pre-war wood-frame bungalow on SW 59th Avenue. We know which openings need full-frame reframing and which can take an insert. We also know that salt air from Biscayne Bay eats aluminum frames faster here than anywhere five miles inland. That’s why we specify marine-grade sealants, pressure-treated bucks, and stainless fasteners on South Miami jobs, even when a cheaper inland spec would technically pass inspection. Ed’s name is on the door, and on every job we do.
Our Window Replacement team is built for this market. Background-checked, uniformed technicians arrive on time, walk the job with you, and produce a line-item quote before any work starts. Free second opinions on written estimates. No trip charge inside our home county. A permanent 10% discount for seniors and veterans. And the 36500-Day Done Right Promise: if it’s not done right, we make it right. That’s a century-long standard of accountability no national chain can match.
Our Window Replacement Services in South Miami
Full Frame Replacement
Most South Miami homes need full-frame replacement, not inserts. The original windows on 1950s and 1960s CBS ranch homes were often mortared directly into concrete block with no wood buck. That means the frame itself is the weak point. We cut out the old aluminum, reframe the rough opening with pressure-treated lumber, anchor to the CMU per HVHZ design pressure tables, and install impact-rated windows that carry Florida Product Approval. Full-frame is also the only route when rot, corrosion, or failed sealant has compromised the surrounding wall.

Insert Window Replacement
Insert replacement makes sense when the existing frame is square, dry, and structurally sound, which we occasionally find on South Miami homes where windows were already replaced once in the 1990s or 2000s. We measure the existing opening to the sixteenth of an inch, order the new unit to fit, and set it into the old frame with sealed flanges. Inserts cost less and go in faster, but they’re only viable on openings that can carry the new design pressure rating without a full tear-out. We’ll tell you honestly which approach your house needs.

Vinyl Replacement Windows
Vinyl windows in South Miami are a specific conversation. Standard vinyl expands and contracts with heat, and South Miami’s afternoon sun tests that tolerance daily. We specify heavier-gauge vinyl with welded corners and reinforced meeting rails when vinyl is the right call. But vinyl also has limits in a hurricane zone. If your openings demand design pressures near the top of the HVHZ range, we’ll likely steer you toward impact-rated aluminum or PGT’s reinforced frames instead. The material choice follows the engineering, not the brochure.

Energy-Efficient Upgrade
Replacing single-pane jalousies with insulated impact glass changes a South Miami home’s comfort dramatically. We regularly see cooling costs drop 20 to 30 percent on full-house replacements, because the old jalousies leak conditioned air constantly. Low-E coatings, argon fills, and tight compression seals all matter in a climate where the AC runs nine months a year. We install ECO Window Systems and Mr-Glass products that meet Miami-Dade energy standards while carrying the required NOA for impact resistance. The energy credit and the wind mitigation credit stack on the same job.

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 eight brands, and on South Miami jobs we lean on three more than others. PGT dominates the impact-rated market here because their Miami-Dade NOA coverage is extensive and their frames hold up to coastal salt air. ECO Window Systems gives us a strong mid-range option for homeowners who want impact protection without the PGT price tag. Mr-Glass rounds out the lineup for replacement IG units and sash work on aluminum frames. We stock common South Miami sizes locally, which means faster turnaround when your custom units arrive and quicker fixes on warranty work. Therma-Tru handles the door side when your window job turns into an opening upgrade.
Common Window Replacement Problems We See in South Miami Homes
- Jalousie windows that won’t close tight: The original louvered glass on 1960s CBS homes loses its friction stays and warps over time. Wind-driven rain pushes through the gaps, and the aluminum trim corrodes where it meets the concrete block. Insurers in South Miami routinely flag these as wind-borne debris failures.
- Non-impact windows installed by previous owners: We see a lot of homes where someone put in a standard Florida window years ago, before the HVHZ rules were enforced strictly. The product might be legally sold in Orlando, but it can’t pass inspection in South Miami today. Those units have to come out.
- Salt-air corrosion on aluminum frames: Biscayne Bay isn’t far, and the airborne salt reaches South Miami regularly. Frames pit, sashes jam, and the sealant breaks down within three to five years if it’s the wrong spec. We specify marine-grade sealant and stainless hardware for exactly this reason.
- Rotted wood bucks in pre-war bungalows: On the older streets off Red Road and Sunset Drive, wood-frame homes from the 1920s and 1930s have window openings that are out of square and softened by decades of humidity. A straight insert won’t work. We reframe the opening to square, then set the new unit properly.
Pricing for Window Replacement in South Miami, FL
What you pay depends on opening count, frame material, glass spec, and whether the job is insert or full-frame. Here’s honest math based on what we’ve installed across South Miami. A basic insert replacement in a standard CBS opening runs $700 to $1,200 per window. Full-frame replacement on those same openings runs $1,200 to $2,000 per window because of the buck-framing and CMU anchoring work. Impact-rated units start around $900 per window for a small fixed lite and climb to $2,500 or more per opening for large casements or sliders. Whole-home packages on a typical South Miami ranch, which is 8 to 14 openings, land between $9,000 and $22,000. Custom geometric windows or openings that require structural header work push toward the top of that range or beyond.
The free estimate is the honest way to price your house. Call (863) 251-5864 and we’ll schedule a walk-through. You get a written, line-item quote. No vague allowances. No change-order surprises later.
What Window Replacement Costs in South Miami
South Miami pricing tracks the wind zone, not the national average. Impact windows here generally run $800 to $1,500 per window installed. Impact single-hung units sit between $900 and $1,800 per opening. Large or custom openings, like a picture window facing your backyard or a corner slider, run $2,500 to $5,000. Whole-home packages typically land between $8,000 and $25,000 or more, depending on opening count, frame material, and design pressure requirements.
Three things move the price in South Miami more than anything else. First, opening count and size. A 1950s ranch with 9 standard windows costs less than a 1970s expanded ranch with 16 openings, some oversized. Second, wind zone. South Miami sits inside the HVHZ, which demands stronger frames, thicker glass, and closer anchor spacing than the rest of Florida. That’s a real materials cost difference. Third, floor height and exposure. A second-story window facing an open intersection carries a higher design pressure requirement than a ground-floor window sheltered by a porch. We match each opening to its design pressure table, never guessing.
The quote we give you after measuring is the quote you pay. Free in-home measure and written estimate. Call (863) 251-5864 to schedule yours.
Florida Pays You Back
The incentives on a South Miami window replacement are real, and they stack. My Safe Florida Home offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, which includes impact windows and doors. Florida exempts impact-resistant windows and doors from sales tax, which saves you 6% to 7% at the time of purchase depending on local surtax. The federal 25C energy credit returns 30% of product cost, up to $600 per year, on qualifying energy-efficient units. And after a wind-mitigation inspection, which runs $75 to $150, many South Miami homeowners see windstorm premium credits averaging around 25% on the windstorm portion of their policy. Those are the numbers we can share from real jobs. Your carrier and the state set the final figures, and we don’t guarantee a dollar amount. But the path to savings is clear, and we’ll help you document everything correctly.
One comparison worth making: impact windows versus hurricane shutters. Shutters protect the glass when they’re up, but they only work if someone installs them before the storm. Impact windows protect constantly, no panels to haul out of the garage, no ladders in the rain. For a South Miami homeowner replacing failed units anyway, impact glass is the permanent answer, not the seasonal ritual.
Field Notes from South Miami
On a 1960s CBS ranch off SW 62nd Avenue, we cut out original jalousie windows that had been mortared directly into the concrete block with no wood buck. The aluminum frames were so corroded from Biscayne Bay salt air that the sashes would not close tight, and the homeowner’s insurer had sent a non-renewal notice citing failed wind-borne debris resistance. We full-frame replaced every opening with PGT impact-rated casement windows carrying Florida Product Approval, reframed the rough openings with pressure-treated bucks, and anchored to the CMU per HVHZ design pressure tables. After the job, the homeowner qualified for a wind mitigation insurance credit and cut cooling costs by about 25 percent.
That’s the South Miami pattern. Jalousie windows set directly into concrete block corrode at the aluminum-to-mortar contact line, letting wind-driven rain seep behind the frame and rot interior drywall. Non-impact insulated glass units installed without HVHZ anchor spacing crack their frames under large-missile impact testing, failing inspection and forcing a tear-out. Silicone sealant specified for inland homes breaks down within three to five years under South Miami’s salt-laden air, causing IG unit fogging and sash jamming.
This page gives you the exact coastal-spec materials and HVHZ anchor details that separate a South Miami window replacement from an inland job, and shows why the cheap spec costs more within a decade. The window legal in Tampa isn’t legal here, and the sealant that works in Orlando fails in three years off Red Road. We specify marine-grade finishes, stainless fasteners, and anchored bucks because that’s what survives in South Miami. The cheap quote on the inland-spec job looks good until the first inspection or the first salt-air failure, then you pay twice.
We Also Serve Cities Near South Miami
Our crews run window replacement jobs throughout the surrounding area. We serve South Miami plus Westchester, Miami, Coral Gables, and Kendall. Same crew, same 36500-Day Done Right Promise, same live person answering the phone at (863) 251-5864.
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 Replacement in South Miami
South Miami sits inside Miami-Dade County’s High-Velocity Hurricane Zone, which requires every replacement window to carry a Miami-Dade Notice of Acceptance (NOA). A Florida Product Approval alone is not enough here. The NOA standard came out of Hurricane Andrew’s devastation and demands higher design pressure ratings, stricter anchor spacing, and large-missile impact testing that standard Florida windows don’t meet. A window legal in Orlando or Tampa cannot legally be installed in South Miami. Call (863) 251-5864 and we’ll verify your existing units’ approval status.
Look at the non-renewal notice for language about wind-borne debris resistance, opening protection, or impact glazing. If your home has original jalousie windows, especially on a 1950s or 1960s CBS ranch, those louvered-glass units fail the Miami-Dade wind-borne debris standard. Insurers in South Miami routinely flag them. Replacing jalousies with impact-rated windows that carry an NOA typically removes the non-renewal basis, and the wind mitigation credit often follows. We’ll walk your home and tell you which openings are the problem before you call your agent.
Full-frame replacement on a concrete block home means cutting out the old window frame completely, including any aluminum that was mortared directly into the CMU. We then install a pressure-treated wood buck around the rough opening, anchor that buck to the block at HVHZ spacing intervals, and set the new impact-rated window into the buck with sealed flanges. It’s more work than an insert, but it’s the only correct approach when the original frame is corroded, out of square, or structurally insufficient. Most South Miami CBS homes need this, not an insert. Call (863) 251-5864 for a free assessment.
Yes, in many cases you can, but the discount depends on your carrier’s specific wind mitigation credit schedule. Replacing the windward-facing openings or the openings called out in a wind mitigation report often triggers a partial credit. Replacing all openings with impact-rated units that carry Miami-Dade NOA typically earns the largest credit. Your insurer sets the final number, but we’ll document every opening and provide the product approval paperwork your inspector needs. Call (863) 251-5864 and we’ll help you plan the replacement in the order that maximizes your credit.
Salt-laden air lands on aluminum frames and starts pitting the anodized or painted finish. The corrosion accelerates where aluminum meets concrete, because mortar is alkaline and holds moisture against the metal. Over years, the frame swells, sashes jam, and the sealant bead fails, letting humid air into the insulated glass unit. That’s why South Miami windows fog between the panes and stick in their tracks years before a storm ever hits. We specify marine-grade finishes and stainless hardware on South Miami jobs for exactly this reason. Call (863) 251-5864 for an honest read on your existing frames.
Contact Winslow Windows & Doors in South Miami
If you’re ready for a real quote, call us. Ed Winslow’s name is on the business, and a live person answers the phone 24 hours a day. We’ll walk your South Miami home, measure every opening, and hand you a written line-item estimate before we leave. Free estimates, free second opinions on written quotes, no trip charge inside our home county, and a permanent 10% discount for seniors and veterans. The 36500-Day Done Right Promise backs every job. The one down the road.
Call (863) 251-5864 to schedule your free window replacement estimate in South Miami, FL.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving South 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.










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