Impact Window Installation Cost - Written Price Before Anything Is Ordered

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Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style

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How Much Does Impact Window Installation Cost in Kendall?

Impact window installation in Kendall, FL typically costs between $850 and $2,400 per window installed, covering both product and labor. For a standard Kendall home with 10 to 15 openings, most homeowners budget between $12,000 and $28,000 for the complete project. That range reflects real quotes from this market in 2026 – not a national average, not a ballpark pulled from a calculator.

The wider the gap between those numbers, the more a specific opening’s size, frame type, glazing spec, and permit complexity matter. This guide names each cost driver so you can read your own quote accurately before signing anything.

Impact Window Installation Cost Breakdown (2026)

Impact window costs in Kendall split cleanly into product, labor, and project overhead. The table below reflects what Sightline sees in actual written scopes on homes in Kendall, West Kendall, the Hammocks, Kendale Lakes, and adjacent neighborhoods in 2026.

What a Full-Project Total Looks Like

For a Kendall home with 12 standard openings – a very common count on the ranch-style CBS houses built throughout West Kendall in the late 1980s and early 1990s – a mid-grade PGT WinGuard or CGI Guardian product will typically land between $14,000 and $21,000 installed and permitted. Step up to a higher-performance glazing spec with a lower Solar Heat Gain Coefficient (SHGC) and thermally broken frames, and the same 12 openings can reach $22,000 to $28,000. Step down to a base-level ES Windows or ECO Window Systems product and you may come in closer to $11,500 to $14,500 for the same count.

At Sightline, the measured survey we hand you and the final invoice are the same document. The number on the page before work starts is the number on the final bill. That is Haven Clause 1 (Have It in Writing), and it is not a policy we suspend when material costs shift.

What Affects Impact Window Installation Pricing in Kendall

Six variables move the per-window number more than any other. If you are comparing written quotes, check each of these line by line.

• Window size and square footage of glazing. A 24″x36″ bathroom window and a 60″x72″ great room picture window are not the same product at different scales – the larger opening requires heavier-gauge frames, thicker laminated glass, and more labor time. Homes along the Kendall Drive corridor and in the Kendale Country Club area tend to have oversize picture windows and sliders that push per-opening costs to the higher end of the range.
• Frame material: aluminum versus vinyl. Nearly all impact-rated windows sold in South Florida use extruded aluminum frames because aluminum holds up to humidity, salt air, and the thermal cycling that Kendall’s climate produces year-round. Vinyl impact frames exist and cost less up front, but most experienced glaziers – and most Miami-Dade product approval specifications – favor aluminum for structural performance in a high-velocity hurricane zone. Expect aluminum frames to add $80 to $200 per opening over vinyl.
• Glass spec: SHGC, U-factor, and laminate type. The SHGC (Solar Heat Gain Coefficient) measures how much solar heat passes through the glass. In Kendall, where west-facing exposures get afternoon sun loads that can run 180 days a year, a lower SHGC – say 0.22 versus 0.30 – translates to real reductions in cooling bills. The tradeoff is cost: low-SHGC, high-performance glazing adds roughly $50 to $150 per window over standard laminated glass. The U-factor (thermal resistance) matters less here than in northern climates but still shows up in energy credit calculations.
• Installation complexity: wall type and story height. Concrete block (CBS) construction is the dominant wall type in Kendall, and pocket-replacing an aluminum single-hung in a CBS wall is straightforward if the opening is plumb and the old frame is undamaged. When the block has shifted – common in homes near the Hammocks lake system where soil settlement is a documented issue – labor costs climb. Second-story openings add scaffold or lift time: budget an extra $75 to $150 per opening above ground level.
• Miami-Dade County permitting and product approval. Every full impact window replacement in Kendall requires a Miami-Dade County building permit. The product itself must carry a Miami-Dade Notice of Acceptance (NOA) – a stricter standard than the Florida statewide approval. All eight manufacturer lines Sightline specifies (PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux) carry current NOAs. A contractor skipping permits is not saving you money; they are shifting the liability to you at resale or claim time.
• Number of openings: volume pricing. A single-window replacement costs more per unit than a whole-house project because mobilization, permitting, and survey costs spread across more openings. Replacing 15 windows in one permitted scope will cost less per opening than replacing 3. If you are considering a phased approach, a written price for the full scope now protects you against product and labor cost increases later.

A Note on Kendall’s Specific Climate Exposure

Kendall sits in Miami-Dade County’s High Velocity Hurricane Zone (HVHZ), which imposes stricter product standards than most of Florida. Products approved under the standard Florida Building Code are not automatically compliant here. This is not a technicality – it affects your homeowner’s insurance premium, your permit approval, and your claim outcome if a storm damages the home. Any impact window installed in Kendall must meet the HVHZ standard, and that is already baked into everything Sightline specifies. It is one reason the Kendall market’s installed prices tend to run $100 to $200 per opening higher than, say, Broward County for nominally similar products.

Salt air from Biscayne Bay reaches into western Kendall neighborhoods more than most homeowners expect. Frame finish matters: anodized aluminum or high-quality painted finishes resist corrosion longer than bare mill finishes. We document frame condition in the photo record taken at every visit, so you have a baseline if a warranty question comes up years later.

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Product Lines We Specify in Kendall – and What Each Costs

Sightline draws from eight manufacturer lines. Here is how they map to Kendall project budgets in plain terms.

• PGT WinGuard: The most commonly specified impact line in South Florida residential work. Standard WinGuard aluminum single-hungs run $620 to $950 per unit before installation. WinGuard Architectural Series – heavier frames, larger openings – runs $900 to $1,800. Excellent NOA coverage for Kendall HVHZ requirements.
• CGI Guardian / CGI 500 Series: CGI products are manufactured in Miami and are specified heavily in Kendall because the lead time is shorter than some out-of-state lines. Guardian series aluminum impact windows run $650 to $1,050 per unit. The 500 Series steps up in performance and price: $900 to $1,600 per unit. CGI’s NOA documentation is thorough, which simplifies Miami-Dade inspections.
• CWS (Caribbean Window & Screen): A value-tier line with solid HVHZ approvals. Typical per-unit product cost of $480 to $820. A good fit for projects where budget is the primary constraint and the openings are standard sizes.
• ES Windows: A Florida-manufactured aluminum impact line with strong performance specs at a mid-range price point. ES impact windows typically run $550 to $950 per unit. We see this line frequently on Kendall projects in the $13,000 to $18,000 whole-home range.
• ECO Window Systems: Another South Florida manufacturer, with current HVHZ approvals and a product range from standard residential to heavy commercial. Per-unit product costs of $520 to $900. Sightline specifies ECO when the opening geometry or performance spec matches their product matrix better than competing lines.
• Mr-Glass: A specialty and custom glazing line used when openings fall outside standard catalog sizes or when architectural specifications require a custom frame configuration. Pricing is project-specific and quoted on the measured survey.
• Therma-Tru: Sightline specifies Therma-Tru primarily for impact-rated door systems rather than windows. When a Kendall project includes a front entry or side door replacement alongside windows, the Therma-Tru line integrates cleanly into a single permitted scope.
• ViewLux: A premium aluminum line with a stronger thermal performance spec – useful on west-facing Kendall exposures where SHGC reduction is worth the price step. ViewLux products typically run 15 to 25 percent above mid-range alternatives on a per-unit basis.

The right line for your home is not the one with the best marketing. It is the one whose frame size, glass spec, and NOA documentation match your specific openings. Sightline’s measured survey is how we determine that – not a product catalog, not a salesperson’s preference.

How to Save on Impact Window Installation in Kendall

Savings on a project this size come from decisions made before the contract is signed, not from negotiating labor after the crew is on site. These are the moves that actually reduce cost without reducing the result.

• Replace all openings in one permitted scope. Permit fees are largely fixed per project, not per window. Mobilization costs the same whether you replace 6 windows or 14. Splitting a whole-home project into two or three phases over two or three years will cost more in total than completing it in one permitted pull.
• Match the glass spec to the exposure. A north-facing hallway window does not need the same low-SHGC glass spec as your west-facing master bedroom. Mixing specs across the project – high-performance glazing where solar gain is a real problem, standard laminate where it is not – can reduce product cost by $400 to $900 on a mid-size Kendall home without compromising comfort in the rooms that actually overheat.
• Use the Florida PACE program or a utility rebate if eligible. Miami-Dade County has participated in Property Assessed Clean Energy (PACE) financing programs that allow impact window upgrades to be repaid through the property tax bill. Florida Power & Light has run rebate programs for qualifying high-efficiency window installations. Eligibility and terms change; confirm current availability when you receive your written quote. Sightline does not administer these programs, but we can provide the documentation they typically require.
• Check your homeowner’s insurance discount first. Most major carriers writing policies in Miami-Dade offer premium reductions of 20 to 45 percent on the wind component of the premium when all openings are impact-rated. On a Kendall home, that wind portion of the annual premium can be $3,000 to $6,000 or more. The math on a $18,000 installation often closes within four to six years in insurance savings alone – before any energy savings are counted. Get the specific discount figure from your carrier before budgeting.
• Bring a competitor’s written quote for a free second opinion. Sightline reviews any written estimate at no charge. If you have a quote from another contractor, bring it. We will tell you whether the product spec, the permit scope, and the price are aligned – not to sell against it, but because Haven Clause 1 is built on the idea that you should understand what you are buying before you buy it.
• Ask specifically about the permit scope before signing. Some contractors quote product and labor but exclude permit fees, inspection costs, and stucco repair. Those line items can add $800 to $2,500 to a Kendall project. The written price Sightline hands you before any work starts includes every line item. Compare quotes on total cost, not headline price.

For a free estimate on your Kendall home, call (786) 321-3319. A live person answers – not a voicemail queue. If you would rather start with questions, that works too.

How Sightline’s Pricing Process Works

The founding principle of Sightline Windows & Doors since 2012 is that the measurement and the quote are the same document. Here is what that looks like in practice for a Kendall homeowner.

1. Measured survey. A background-checked, uniformed technician (identified by license number before arrival, per Haven Clause 3 – Verified Crews) comes to the home and measures every opening. Frame condition, wall type, sill depth, and existing glazing spec are all recorded. This survey belongs to you whether you proceed with Sightline or not.
2. Written scope on the same visit. The price on the survey is the price on the contract. There is no separate quoting process that might differ from what was measured. If a line item changes between survey and installation – which almost never happens – we notify you in writing before any work starts. That is Haven Clause 1.
3. Permit pulled before installation begins. Sightline pulls the Miami-Dade building permit and provides the permit number to you. Work does not start until the permit is active.
4. Documented photo record on every visit. Before we touch a frame and after the last window is installed, the job is photographed. The photo record is yours, stored and provided as standard evidence – Haven Clause 4 (Evidence on Every Job).
5. 365-Day Done Right Promise. Every installation Sightline completes in Kendall – and every one of the 18,000+ openings the brand has touched since 2012 – carries this written promise: if it is not done right, we make it right. It is stamped on every job under the Haven Standard, not offered as a courtesy after a complaint.

Sonia Raman leads Sightline’s operations, and the documentation standard described above is not a marketing claim – it is the operational framework she has applied to every project the company has touched. If you are reading a competitor’s quote that does not include a permit line item, a written scope before work starts, or a post-installation warranty in writing, those are specific things to ask about before signing.

Kendall Neighborhoods: What We See on the Ground

Kendall is not a uniform market. Housing stock, lot orientation, and construction era vary enough across the area that the same 12-window whole-home project can land at meaningfully different costs depending on where the home sits.

In the Hammocks, homes built in the mid-1990s typically have aluminum single-hung windows in standard sizes – these are among the more straightforward replacements we do in Kendall. The soil settlement issue near the lake system does occasionally affect rough opening geometry, which is why the measured survey matters even on seemingly simple jobs.

In Kendale Lakes and Kendale Country Club, the older stock (1970s to mid-1980s CBS construction) sometimes has non-standard opening heights from an era before catalog standardization. Custom sizes add product lead time and cost.

Along the Kendall Drive corridor into West Kendall, the newer townhome and two-story construction is common. Second-story work and shared walls on townhomes add complexity and slightly more labor time than a single-story detached home.

In Pinecrest and the southern edges of the Kendall market closer to Palmetto Bay, larger lots with substantial picture windows and custom glazing are common. These are the projects where product spec decisions – particularly SHGC and frame finish – make the most measurable difference in both cost and long-term performance.

For more on what the installation process looks like from start to finish in this area, the Impact Window Installation in Kendall page covers the full scope of what goes into each project we complete here. And if you want to understand the full range of services Sightline handles, the home page is the right starting point.

FAQs – Impact Window Installation Cost in Kendall

How much does it cost to install impact windows in Kendall, FL in 2026?

Most Kendall homeowners pay between $850 and $2,400 per window installed, with a full whole-home project (10 to 15 openings) typically landing between $12,000 and $28,000. The range reflects differences in opening size, glass spec, frame type, and Miami-Dade permitting costs – all of which show up as separate line items on a properly written scope. Call (786) 321-3319 for a written estimate specific to your home’s openings.

Is it cheaper to repair or replace impact windows in Kendall?

Repair costs for impact windows – typically $150 to $500 for a seal failure, hardware replacement, or minor frame damage – are lower in the short term. But a failed seal (visible as fogging between the laminates) means the glass has lost its structural integrity as an impact-rated unit; Miami-Dade County does not consider a compromised unit compliant. If more than two or three windows show failure, the math on whole-unit replacement usually closes within a few years when insurance savings are factored in. We will tell you honestly which way the numbers point on your specific openings.

How long does impact window installation take in Kendall?

A standard 10 to 15 window whole-home project in Kendall takes one to two installation days once product arrives and the permit is active. Lead time from signed contract to installation day is typically four to eight weeks, depending on product line and current manufacturer schedules. Miami-Dade permit processing adds two to four weeks to that timeline in most cases. The written scope you receive from Sightline includes the estimated timeline, not just the price.

Do I need a permit to install impact windows in Kendall?

Yes. Every full window replacement in Kendall requires a Miami-Dade County building permit, and the product must carry a current Miami-Dade Notice of Acceptance (NOA) – the HVHZ standard is stricter than the Florida statewide code. Permit fees range from $150 to $600 or more depending on project valuation. A contractor who offers to skip the permit is not saving you money; the liability for unpermitted work transfers to you at resale, insurance claim, or county inspection. Sightline pulls the permit as a standard part of every project scope.

Can impact windows lower my homeowner’s insurance premium in Kendall?

Yes, and the reduction is often significant. Most carriers writing policies in Miami-Dade reduce the wind-component premium by 20 to 45 percent when all openings are impact-rated with NOA-compliant products. On a Kendall home with a $4,000 annual wind premium, that can mean $800 to $1,800 per year in savings. Get the specific discount figure from your carrier before budgeting the project – it changes the payback timeline materially. We provide the product NOA documentation your carrier will require to apply the discount.

What is the cheapest impact window option that still meets Miami-Dade code?

For standard openings in Kendall, CWS and ECO Window Systems products typically represent the lowest product-cost entry point while maintaining current HVHZ NOA approval. Installed on standard openings, these lines can bring per-window all-in cost to $850 to $1,200. That is not a budget corner to cut on frame condition or installation quality – the labor standard and permit requirements are identical regardless of product line. Call (786) 321-3319 and we will specify the right product for your openings, not the most expensive one.

Key Takeaways

• Impact window installation in Kendall costs $850 to $2,400 per window installed; whole-home projects typically run $12,000 to $28,000.
• Kendall is in Miami-Dade’s High Velocity Hurricane Zone – only products with current NOA approval are compliant, and permits are required on every full replacement.
• The biggest cost variables are opening size, glass spec (SHGC), frame material, wall type, and number of openings in the permitted scope.
• Insurance savings of 20 to 45 percent on the wind premium component frequently offset project cost within four to six years.
• The written price before any work starts is not a promotion at Sightline – it is Haven Clause 1, applied to every project since 2012.
• Sightline offers a free second opinion on any written estimate from another contractor.

Ready to see the numbers for your specific home in Kendall? Call (786) 321-3319 – a live person answers – and we will schedule a measured survey at no charge. The written price you receive before any work starts is the price on the final invoice. That has been true for every one of the 18,000+ openings Sightline has installed since 2012, and it will be true for yours.

Pricing reflects the Kendall market as of 2026. Written by Sonia Raman, Owner at Sightline Windows & Doors Kendall, serving Kendall since 2012. Call (786) 321-3319 for a free estimate.