New windows and doors improve comfort, cut energy bills and add long-term value to your home. Sightline Windows & Doors Olympia Heights pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
1. Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
2. Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
3. Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Windows & Doors in Westchester, FL
Window and door installation in Westchester runs $340-$1,850 per opening depending on product tier, with most CBS ranch homes requiring full-frame removal of original jalousie windows to meet Miami-Dade HVHZ code. We measure every opening, record the sightline and frame condition, and hand you the written price before any work begins - the same document governs the final invoice. Call (786) 400-2761 to schedule your free measured survey.
Why Westchester Homes Are Different

Westchester’s housing stock is almost entirely single-story CBS ranch homes built from the late 1940s through the early 1970s, nearly all fitted with jalousie windows - louvered glass panels that provide no hurricane protection and zero insulation. These originals fail Miami-Dade County’s High Velocity Hurricane Zone code by a wide margin; unlike Broward County next door, standard Florida Product Approval is not enough here. Every replacement window and door must carry a Miami-Dade Notice of Acceptance (NOA), which eliminates most off-the-shelf products and shapes every specification we write.
The salt-laden air from Biscayne Bay, combined with intense UV and year-round humidity, accelerates aluminum oxidation and IGU seal failure faster than in central or northern Florida. Many homeowners enclosed rear patios between the 1970s and 1990s with unpermitted jalousie or thin aluminum sliders. When we pull a permit for window work today, Miami-Dade inspectors frequently flag these enclosures and require the entire structure to meet HVHZ standards, turning a simple swap into a code-remediation project that surprises less-experienced contractors.
Before
AfterOur Main Westchester Services
Westchester homeowners contact us most often for full window replacement and impact-rated protection. These three pages detail the work we do most in this neighborhood:
Window Replacement in Westchester
We remove original jalousie and louvered aluminum windows from CBS ranch homes and install HVHZ-compliant replacements with proper anchoring into concrete block. Every job begins with a measured survey that records frame depth, sightline, and wall condition - the document you keep. Window Replacement in Westchester covers product selection, permit handling, and what to expect when inspectors review unpermitted patio enclosures.

Impact Windows & Doors in Westchester
Impact-rated glazing is the legal minimum for any permitted window or door work in Westchester, not an upgrade option. We specify products from our verified manufacturer lines that carry current Miami-Dade NOA numbers, sized to your existing rough openings or to engineered plans when enclosures require structural remediation. Impact Windows & Doors in Westchester explains the compliance path from survey to final inspection.

Sliding & Patio Doors in Westchester
Rear patio enclosures in Westchester often contain non-impact aluminum sliders installed without permits decades ago. Replacing these requires HVHZ-rated products and frequently triggers full enclosure compliance review by Miami-Dade inspectors. Sliding & Patio Doors in Westchester details how we handle the measured survey, product specification, and permit process for these projects.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Window Installation in Westchester

Window installation in Westchester means working within concrete block walls built between the 1950s and 1970s, where original jalousie windows were set with minimal flashing and no thermal break. The salt air from Biscayne Bay and relentless humidity have corroded frames and failed seals across this neighborhood, while Miami-Dade’s HVHZ code demands Miami-Dade NOA-certified products for every replacement. We measure wall thickness, anchor pattern, and sightline before selecting from our eight manufacturer lines - PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux - specified by what the opening requires, not by what is in stock. Window Installation covers our full process from survey to documented photo record.
Single & Double Hung Windows
Signs you need it
Your jalousie or louvered aluminum windows no longer seal against rain, the crank mechanisms have seized, or you have received a wind mitigation report flagging non-compliant glazing.
What it costs in Westchester
Single and double hung window installation in Westchester typically runs $420-$780 per opening for vinyl-framed impact-rated units, with aluminum-clad wood and composite frames ranging $680-$1,150 depending on size and NOA rating.
How we do it
We remove the existing frame, inspect the concrete block for spalling or moisture intrusion, install new anchors at 8-inch centers with corrosion-resistant fasteners, set the new unit with backer rod and structural sealant, then flash the head and jambs to the WRB before final inspection.
Horizontal Roller Windows
Signs you need it
Your existing horizontal sliders have bent tracks, cracked rollers, or frames that leak during summer storms, or you are replacing non-impact units in a bedroom or Florida room enclosure.
What it costs in Westchester
Horizontal roller window installation in Westchester ranges $380-$720 for standard sizes in vinyl impact-rated construction, with large-format units or aluminum architectural frames reaching $850-$1,280.
How we do it
We record the existing track width and sill slope, remove the old unit without damaging the stucco return, install the new roller assembly with integrated weep system, shim for level operation, and seal with low-expansion foam and cap bead before testing operation and documenting with photos.
What Window Installation Costs in Westchester
| Item | Typical range in Westchester |
|---|---|
| Single/Double Hung (vinyl impact-rated) | $420 - $780 |
| Horizontal Roller (vinyl impact-rated) | $380 - $720 |
| Large-format or aluminum architectural | $850 - $1,280 |
Do you pull permits for window replacement in Westchester?
Yes - Miami-Dade requires permits for all window and door replacements, and we handle the application, inspection scheduling, and certificate of completion. Call (786) 400-2761 and we will review the permit scope during your free measured survey.
Will my unpermitted patio enclosure affect the job?
Frequently yes - Miami-Dade inspectors often flag unpermitted enclosures when we pull a window permit, requiring HVHZ compliance for the full structure, not just the new window. We identify this risk during our initial survey and document it in your written scope before work begins.
Door Installation in Westchester

Door installation in Westchester confronts the same CBS construction and HVHZ requirements as window work, with the added complexity of entry door anchoring into concrete block that may have settled or spalled over sixty-plus years. Original front doors in these ranch homes are often hollow-core or thin-gauge metal with no impact rating, while rear patio doors in informal enclosures frequently lack proper headers and flashing. We measure rough opening, header condition, and threshold height before specifying Miami-Dade NOA-compliant products from our verified lines. Door Installation details our measured survey process and documentation standards.
Entry Doors
Signs you need it
Your front door shows daylight around the jamb, the deadbolt no longer seats flush, or the frame has pulled away from the stucco reveal due to corrosion of the original fasteners.
What it costs in Westchester
Entry door installation in Westchester ranges $680-$1,450 for impact-rated fiberglass or steel units with composite jambs, with solid-core wood or custom-specification doors running $1,200-$2,400.
How we do it
We remove the existing unit and inspect the concrete block rough opening for spalling or moisture damage, install a composite or aluminum jamb with through-bolt anchoring at 12-inch centers, set the pre-hung door with three hinges and multi-point lock hardware, then seal with backer rod and structural sealant before testing operation.
Hurricane-Proof Front & Entry Doors
Signs you need it
Your current entry door lacks a Miami-Dade NOA, your wind mitigation report recommends impact-rated entry protection, or you are replacing a door in an HVHZ-compliant home where the existing unit is the weak point.
What it costs in Westchester
Hurricane-proof entry door installation in Westchester typically runs $1,100-$2,200 for large-format impact-rated fiberglass with decorative glass inserts, with premium steel or custom architectural units reaching $2,800-$4,500.
How we do it
We verify the NOA number against current Miami-Dade listings, engineer the header if the existing span exceeds rated limits, install the door and sidelite assembly with continuous hinge or multi-point lock, and provide the documentation package for your wind mitigation inspection.
What Door Installation Costs in Westchester
| Item | Typical range in Westchester |
|---|---|
| Entry Door (impact-rated fiberglass/steel) | $680 - $1,450 |
| Hurricane-Proof Entry Door (large-format) | $1,100 - $2,200 |
| Premium steel or custom architectural | $2,800 - $4,500 |
Can I keep my existing door frame?
Rarely - most Westchester homes have original frames fastened with corroded nails into compromised concrete block, and HVHZ compliance requires proper anchoring that a retained frame cannot provide. We document frame condition during the measured survey and specify replacement when required by code.
Do you install doors in unpermitted patio enclosures?
We do, but pulling a permit for door replacement in these structures frequently triggers full enclosure compliance review by Miami-Dade inspectors. We flag this possibility in your written scope before work begins so the scope and price account for any required remediation.
Energy-Efficient Windows in Westchester

Energy-efficient window installation in Westchester addresses a specific problem: original jalousie and single-pane aluminum windows in CBS ranch homes transmit heat, UV, and humidity with no resistance, driving cooling loads far above what modern glazing can achieve. The combination of Miami-Dade’s intense solar exposure and salt-laden air makes low-performance windows especially costly here, with failed IGUs and corroded frames compounding the problem. We specify products by U-factor, SHGC, and VT ratings matched to each opening’s orientation, using lines from ES Windows and ECO Window Systems where thermal performance is the priority. Energy-Efficient Windows explains how we balance efficiency ratings with HVHZ impact requirements.
Low-E & Argon Gas Glass
Signs you need it
Your east and west-facing rooms overheat by mid-morning, your utility bills spike in summer, or you can feel radiant heat through the glass even when the window is closed.
What it costs in Westchester
Low-E with argon gas fill in Westchester typically adds $40-$90 per square foot of glazing over standard impact-rated units, with full replacement windows ranging $480-$920 depending on frame material and size.
How we do it
We record each opening’s orientation and shading, specify the appropriate low-E coating for solar control or thermal retention, order IGUs with argon fill and warm-edge spacers, and verify the assembly’s NFRC ratings before installation to confirm the performance we quoted.
ENERGY STAR Replacement Windows
Signs you need it
You are replacing windows as part of a broader efficiency upgrade, your home energy audit identified glazing as the weakest component, or you want documented performance ratings for resale or insurance purposes.
What it costs in Westchester
ENERGY STAR certified replacement windows in Westchester range $520-$980 for vinyl impact-rated units meeting South Florida climate zone requirements, with composite or aluminum-clad frames at $780-$1,350.
How we do it
We cross-reference the NFRC label and ENERGY STAR climate zone map for South Florida, verify the product’s Miami-Dade NOA is current, install with continuous insulation at the frame perimeter, and provide the documentation package for utility rebate programs or wind mitigation credits.
What Energy-Efficient Windows Costs in Westchester
| Item | Typical range in Westchester |
|---|---|
| Low-E & Argon upgrade (per sq ft adder) | $40 - $90 |
| Low-E full replacement window | $480 - $920 |
| ENERGY STAR certified (vinyl impact-rated) | $520 - $980 |
Can impact windows also be energy-efficient?
Yes - all impact-rated windows we install in Westchester meet or exceed ENERGY STAR requirements for South Florida when specified with low-E coatings and argon fill. The laminated glass required for HVHZ compliance does not preclude thermal performance; we select the IGU assembly for both ratings.
Will efficient windows lower my cooling bills?
Typically yes - replacing single-pane jalousie or failed IGU aluminum windows with low-E impact-rated units reduces solar heat gain by 50-70% on west and east exposures. We calculate estimated savings during the measured survey using your current window count and orientation.
Impact Garage Doors in Westchester

Impact garage door installation in Westchester is frequently overlooked until a wind mitigation inspection or insurance renewal flags the garage as the home’s weakest opening. Original garage doors in these 1950s-1970s CBS ranch homes are thin, non-reinforced panels with no wind-load rating, and the garage often represents the largest unprotected surface area in the structure. Miami-Dade HVHZ code requires impact-rated or pressure-rated garage doors for all new installations and replacements, with specific wind-load calculations based on exposure and structure height. We engineer the replacement to match your home’s wind-borne debris region and provide the documentation for your insurance carrier. Impact Garage Doors covers our specification and installation process.
Hurricane-Rated Garage Doors
Signs you need it
Your garage door lacks a wind-load sticker, your wind mitigation report flags the garage opening, or you are replacing any garage door in a Miami-Dade HVHZ zone where non-rated units are no longer permitted.
What it costs in Westchester
Hurricane-rated garage door installation in Westchester ranges $1,200-$2,400 for standard 16-foot steel or aluminum impact-rated panels with reinforced track, with insulated or custom-finish units at $2,200-$3,800.
How we do it
We calculate the required wind-load rating from your structure’s exposure category and mean roof height, specify the door and track assembly from a Miami-Dade NOA-listed manufacturer, remove the old door and spring assembly, install the new vertical track with reinforced brackets, and tension the torsion springs before testing operation and documenting with photos.
Wind-Load Code Compliance
Signs you need it
Your permit application requires a garage door pressure rating, your existing door failed inspection, or you are bringing an unpermitted garage modification into compliance with current Miami-Dade code.
What it costs in Westchester
Wind-load code compliance work in Westchester typically runs $1,800-$3,200 when structural reinforcement of the header or jambs is required, with the door itself additional at $1,200-$2,400.
How we do it
We review the permit comments and engineer’s letter, inspect the header span and jamb anchorage for adequacy, install supplemental steel or laminated beams if required, then mount the rated door assembly with the specified fastener schedule and provide the inspection documentation package.
What Impact Garage Doors Costs in Westchester
| Item | Typical range in Westchester |
|---|---|
| Hurricane-Rated Garage Door (standard 16′) | $1,200 - $2,400 |
| Insulated or custom-finish unit | $2,200 - $3,800 |
| Wind-Load Compliance with structural work | $1,800 - $3,200 |
Does my existing garage door need replacement or just reinforcement?
Most pre-1990s garage doors in Westchester cannot be reinforced to meet current HVHZ requirements - the panel construction, track gauge, and spring assembly were not designed for the wind loads now mandated. We assess this during the measured survey and specify replacement when the existing unit is not upgradeable.
Will a new impact garage door affect my insurance premium?
Typically yes - a Miami-Dade NOA-rated garage door with proper documentation often improves wind mitigation scores and may reduce the windstorm portion of your premium. We provide the product approval documentation and installation photos for your agent’s review.
Custom & Geometric Windows in Westchester

Custom and geometric window installation in Westchester solves a problem created by the neighborhood’s architectural history: 1950s-1970s ranch homes with gable-end windows, arched openings over entryways, or owner-added geometric accents that now require HVHZ-compliant replacement. These shapes - circles, hexagons, trapezoids, and extended arches - cannot be satisfied with standard rectangular units and demand custom engineering, Miami-Dade NOA approval, and precise field measurement of irregular rough openings. We template each opening in person, specify from manufacturer lines with active custom programs, and fabricate to the documented sightline. Custom & Geometric Windows explains our templating and quality verification process.
Geometric & Shaped Windows
Signs you need it
Your existing geometric window has cracked or fogged glass with no replacement unit available, the shape is a circle, octagon, or extended trapezoid, or you are adding a shaped opening as part of a permitted renovation.
What it costs in Westchester
Geometric and shaped window installation in Westchester ranges $680-$1,450 for standard polygons in vinyl impact-rated construction, with complex multi-segment assemblies or aluminum architectural frames reaching $1,200-$2,800.
How we do it
We build a full-size template on site, record radius, chord, and segment dimensions to 1/16 inch, transmit the template to the manufacturer for CAD verification against their Miami-Dade NOA, receive the unit with documented test reports, and install with custom flashing kits engineered for the specific profile.
Arched & Curved Windows
Signs you need it
Your arched window has sagging or rotted framing, the curved glass has delaminated or developed condensation, or you are replacing a radius-top unit above a door or in a gable where standard rectangular products will not fit.
What it costs in Westchester
Arched and curved window installation in Westchester typically runs $920-$1,850 for true-radius units in vinyl or composite impact-rated construction, with extended springline or elliptical arches at $1,400-$2,600.
How we do it
We record the springline, rise, and chord length with a digital radius gauge, verify the rough opening is plumb and square despite the curve, specify the unit with integrated jamb and sill, and install with flexible flashing membrane that conforms to the arch profile before applying the finish sealant.
What Custom & Geometric Windows Costs in Westchester
| Item | Typical range in Westchester |
|---|---|
| Geometric & Shaped (standard polygon) | $680 - $1,450 |
| Complex multi-segment or aluminum | $1,200 - $2,800 |
| Arched & Curved (true radius) | $920 - $1,850 |
How long does custom window fabrication take?
Typically 6-10 weeks from templating to delivery for Miami-Dade NOA-approved custom units, with complex assemblies or large radius work extending to 12 weeks. We build this timeline into your written scope and schedule installation accordingly.
Can any manufacturer make custom impact windows?
No - only manufacturers with active Miami-Dade NOA custom programs can legally supply shaped impact units for Westchester. We specify from our verified lines that maintain current custom approvals, and we verify the NOA status before templating to avoid fabrication delays.
Brands We Service in Westchester
We install and service eight verified manufacturer lines in Westchester: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. Each is specified by performance tier and price range, not by margin. We stock common hardware, weatherstrip, and glazing components locally through our Miami office, with most replacement parts available within 48 hours. See our brands for current product lines and NOA status.
Pricing for Windows & Doors in Westchester, FL

| Service | Typical range in Westchester |
|---|---|
| Single/Double Hung Window | $420 - $780 |
| Horizontal Roller Window | $380 - $720 |
| Large-format/Aluminum Architectural Window | $850 - $1,280 |
| Entry Door (impact-rated) | $680 - $1,450 |
| Hurricane-Proof Entry Door | $1,100 - $2,200 |
| Premium/Custom Architectural Door | $2,800 - $4,500 |
| Low-E & Argon Window Upgrade | $40 - $90 per sq ft adder |
| ENERGY STAR Certified Window | $520 - $980 |
| Hurricane-Rated Garage Door | $1,200 - $2,400 |
| Insulated/Custom Garage Door | $2,200 - $3,800 |
| Geometric/Shaped Window | $680 - $1,450 |
| Arched/Curved Window | $920 - $1,850 |
Prices in Westchester increase when concrete block requires extensive repair, unpermitted enclosures trigger full HVHZ remediation, or custom engineering is needed for irregular openings. The price we write before work starts is the price on the final invoice - Haven Clause 1, no exceptions.
Neighborhoods We Serve in Westchester
We serve the full Westchester grid and surrounding blocks, with crews dispatched from our Miami office and typical response for measured surveys within one to two business days. Representative neighborhoods include:
- Westchester Country Club Estates
- Westchester Lakes
- Westwood Lakes West
- Bird Road corridor ranch homes
- Coral Way CBS subdivisions
Service Area - Cities Near Westchester

Our crews work throughout Miami-Dade County from the same dispatch base that serves Westchester. Nearby cities we regularly schedule include Olympia Heights, FL, Glenvar Heights, FL, University Park, FL, and Kendall, FL. Each shares similar CBS construction, HVHZ requirements, and the same permit and inspection protocols we navigate daily.
Serving Westchester, FL - Our Local Coverage Area
We’re based in the Westchester 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 Windows & Doors in Westchester

Yes - Miami-Dade County requires permits for all window and door replacements, and the work must be performed by a licensed contractor with Miami-Dade NOA-approved products. We handle the permit application, inspection scheduling, and certificate of completion as part of every job.
Miami-Dade inspectors frequently require full HVHZ compliance for unpermitted enclosures when any window or door permit is pulled for the structure. We identify this risk during our measured survey and include potential remediation scope in your written quote so there are no surprises.
Call (786) 400-2761 - a live person answers 24/7, and we typically schedule measured surveys within one to two business days. You keep the survey document, and the written quote derived from it cannot change unless you change the scope.
Six Reasons Homeowners Choose Sightline Windows & Doors Olympia Heights
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.
Other Sightline Windows & Doors Olympia Heights Services

What Neighbors Say About Sightline Windows & Doors Olympia Heights
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Westchester Customers Say
"The survey measurements and the quote were the same piece of paper. Nothing changed on install day, which is not what happened with the two other companies we had out."
- Annette R."Replaced eight windows. They showed me the U-factor on the units they were actually fitting rather than the brochure numbers."
- Kofi B."Patio door had dropped and would not lock. They adjusted it rather than selling me a new one, and charged accordingly."
- Simone T.