Free in-home measure and quote — PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Energy-Efficient Windows Across Andover
Energy-efficient window replacement in Andover typically runs $800 to $1,800 per opening for impact-rated units, with whole-home packages on the neighborhood’s 1950s–1970s CBS ranch homes landing between $8,000 and $25,000. Most Andover jobs we handle are full frame-and-glass replacements, not glass-only swaps, because the original aluminum sliders and jalousies have corroded past salvage. We’re the local crew that shows up in uniform, measures your block openings correctly, and installs windows that satisfy both the HVHZ code and your insurance carrier. Call (844) 901-4551 for a free in-home measure and a written quote.
We’ve worked enough homes off NW 57th Avenue and throughout the 33023 ZIP to know that Andover’s window problems aren’t like the ones in Hollywood or Miramar. They’re older, they’re salt-battered, and they’re tangled up in insurance deadlines. That’s exactly why our Energy-Efficient Windows team treats every Andover job as a code compliance project first and a comfort upgrade second. The two happen to arrive together.
Why Winslow Windows & Doors Is Andover’s Preferred Energy-Efficient Windows Company
Ed Winslow started this company in 2011 and put his name on it. That matters in Andover because this neighborhood has been through the wringer with fly-by-night installers who quote stock sizes for non-standard block openings, leave gaps, and disappear when the wind-mitigation inspection fails. Our reputation in Andover is built on the opposite: we show up, we answer the phone, and we don’t leave until the job is done right. Ed’s name is on the door, and on every window we install.
Our technicians are background-checked and uniformed before they ever pull up to your house. You’ll know exactly who’s walking up your driveway. Andover homeowners call us because they want one company that can handle the window replacement, the door replacement, and the roof if the insurance adjuster starts poking around up there too. We serve all of Andover from a dispatch office in the Miami area, and our crews are in the neighborhood regularly, not driving down from some out-of-state hub.
Every call is answered by a live person, 24 hours a day. No voicemail loops, no call centers. When an insurance non-renewal notice lands in your mailbox and you need answers right now, you get a real person who knows Andover’s housing stock. That’s the standard we’ve held since 2011, and it’s why homeowners here keep our number saved.
Our Energy-Efficient Windows Services in Andover
Low-E & Argon Gas Glass
Low-E coatings and argon gas fills are the workhorses of cooling-cost reduction on Andover’s flat, sun-beaten lots. The low-E coating reflects solar heat back outside while letting visible light through, and the argon between the panes slows heat transfer far better than plain air. On a 1962 CBS ranch, this combination is usually the single biggest energy upgrade you can make short of reinsulating the attic. We default to low-E argon-filled insulated glass units on every Andover replacement because the math is obvious: your AC runs less, your FPL bill shrinks, and the house finally holds temperature on the west side after 3 p.m.

ENERGY STAR Replacement Windows
ENERGY STAR certification in South Florida isn’t a bumper sticker. It means the unit actually meets federal thermal performance standards for the Southern zone, which is harder to hit than people expect given our heat and humidity. Andover homes with original single-pane sliders frequently see their cooling load drop 20 to 30 percent after a full ENERGY STAR impact replacement. We pull the specific design pressure and thermal numbers for your openings so you can hand your insurance agent a window package that checks every box, not a vague promise.

Insulated Laminated Glass
Laminated glass is the layer that holds together when a hurricane hurls a palm frond at 120 mph. The insulating gap handles the energy side. In Andover, these two features have to live in the same unit because you cannot legally replace a window in the HVHZ with something that is either impact-rated or energy-efficient. It has to be both. Our insulated laminated packages combine a hefty laminated outer lite for impact resistance with a low-E argon-filled inner airspace for thermal control. That’s the package that gets a Miami-Dade NOA and keeps the house cool.

UV-Blocking & Fade Protection
Florida sun is brutal on furniture, flooring, and artwork. If your sofa faces an east or west window in Andover, the UV exposure is doing measurable damage every single afternoon. Low-E coatings cut a significant portion of the UV spectrum, and our laminated glass options go further. We’ve walked through enough Andover living rooms with sun-bleached couches and faded oak flooring to know that fade protection here isn’t a luxury add-on. It’s part of why you’re replacing the windows in the first place.

Window Energy Audits & Ratings
Before we quote anything, we look at the openings, the wall construction, the exposure, and what’s actually failing. Many Andover homes still have three or four different window generations from past piecemeal replacements. An energy audit tells you which openings are killing your cooling bill and which ones can wait. We’ll give you straight numbers on U-factor and SHGC (solar heat gain coefficient) so the quote isn’t a mystery and the upgrade actually pays for itself.

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 Andover
Winslow Windows & Doors is an authorized installer for PGT, CGI, and VewLux, among others. PGT is the most common choice for Andover CBS ranches because their custom sizing handles non-standard block openings without leaving shimmed gaps. CGI units carry some of the highest design pressures in their class, which matters when your openings sit in a wind zone that sees real hurricane force. Every brand we specify for Andover must hold current Florida Product Approval or Miami-Dade NOA numbers, and we keep local stock of common hardware and sealants so lead times stay as short as the fabrication schedule allows.
Common Energy-Efficient Windows Problems We See in Andover Homes
- Corroded original aluminum frames: Salt-laden air from the Atlantic, even at six to eight miles inland, eats thin 1950s–1970s aluminum frames within a decade or two. The frame corrodes, the sash stops sealing, and the window leaks air and water regardless of what glass is in it. Glass-only replacement is impossible on these units; the entire frame-and-sash assembly has to go.
- Jalousie windows that fail HVHZ code outright: The louvered glass slats offer almost no wind resistance and leak air constantly. They were never designed for impact, and no retrofit kit makes them compliant. On Andover CBS homes, these are the first thing an insurance inspector flags.
- Non-standard rough openings in block walls: A 1960s block home does not have square, modern stud openings. Rushing a stock-size window into a non-standard masonry opening leaves gaps that fail wind-mitigation inspection and leak under hurricane-driven rain. Correct installation means custom sizing or masonry modification, measured properly the first time.
- Seal failure from UV and humidity exposure: South Florida’s heat and humidity degrade the glazing seals and weatherstripping on older units fast. You’ll see condensation between the panes or a white chalky film on the glass edge. That’s the seal gone, and in Andover’s climate it happens years earlier than it would in a northern market.
Pricing for Energy-Efficient Windows in Andover, FL
Let’s talk real numbers for Andover. A code-compliant impact-rated energy-efficient window typically runs $800 to $1,500 per opening installed, with single-hung configurations falling in the $900 to $1,800 range depending on size and design pressure requirements. Large or custom openings, which are common on the CBS ranches along the 33023 corridor, push into $2,500 to $5,000 territory. Whole-home packages on a standard three-bedroom ranch generally land between $8,000 and $25,000, driven by opening count, DP ratings, frame material, and whether we’re doing interior or exterior finish work.
What moves the price in Andover specifically is the masonry work. Non-standard block openings mean custom sizes or modification, and that costs more than a track home with identical openings. The salt-air factor pushes you toward marine-grade frames, which is a few percentage points more upfront but far cheaper than a second replacement in twelve years. Call (844) 901-4551 and we’ll come measure everything, then give you a written line-item quote that doesn’t change on the back end.
What Energy-Efficient Windows Costs in Andover
We just gave you the ranges above, but it’s worth spelling out the full picture so you can budget honestly. The cheapest code-compliant path off an original jalousie window in Andover is a PGT single-hung impact unit at roughly $900 to $1,200 per opening, assuming the rough opening can take a standard or near-standard size. If you’re doing a whole house of jalousie replacements on a 1960s ranch, expect $12,000 to $20,000 all-in. The price goes up when the openings are wildly non-standard, when the block needs repair behind the old frame, or when your insurer is demanding a specific DP rating that rules out the cheaper units. We always provide a free in-home measure and a written quote before any work starts, so the number you see is the number you pay.
One comparison worth knowing: impact windows versus hanging hurricane shutters. Shutters are cheaper upfront, typically $8 to $15 per square foot, but they don’t cool your house, don’t block UV fading, don’t reduce AC load, and they have to be hung and removed by someone every storm. Impact windows are permanent protection with no panels to store or wrestle into place. In Andover, where the insurance carrier is already looking at your house sideways, the permanent path is the one that keeps your policy in force.
The Salt-Air Problem: Why Materials Matter More Than Schedule in Andover
Andover sits six to eight miles inland from the Atlantic, close enough that salt-laden air is a real, measurable presence, especially during the wet season when onshore winds push marine air over the neighborhood. This is the quiet killer of window frames here. Thin aluminum frames from the 1960s and 1970s start showing white corrosion blooms within a decade, and by fifteen years the sash no longer seats square. We regularly pull original sliders off Andover block homes where the frame crumbles in our hands.
That’s why we specify marine-grade finishes on every aluminum frame we install in Andover, and why we lean toward PGT and CGI units with proven corrosion resistance. The hardware matters too: stainless steel or hot-dip galvanized fasteners only, never the plated steel that rusts out inside a few hurricane seasons. The cheap inland spec saves a few hundred dollars at install and costs a full replacement within a decade. We’d rather quote you the correct spec once.
A concrete example from Andover: we replaced thirty-two original jalousie windows on a 1962 CBS ranch off NW 57th Avenue with custom-sized PGT impact-rated insulated glass units. The original aluminum frames had corroded from salt air, so we set new Miami-Dade NOA frames in the block openings, sealed every jamb with marine-grade sealant, and switched the homeowner from single-pane to low-E argon-filled IGUs. The result: a roughly 25 percent drop in cooling load and an insurance non-renewal notice cleared. That’s what a correct Andover window job looks like.
Florida Pays You Back
There are real incentive paths available to Andover homeowners, and they stack in meaningful ways. My Safe Florida Home offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, including impact windows and doors. The state also provides a sales-tax exemption on impact-resistant windows and doors, which trims several hundred dollars off a whole-home project. On the federal side, the 25C energy credit returns 30 percent of product cost (up to $600 per year) on qualifying ENERGY STAR units. And after a wind-mitigation inspection, which typically runs $75 to $150, many carriers apply a windstorm premium credit averaging around 25 percent off the windstorm portion of your policy. These are real programs, but grant funding is not guaranteed and final numbers always come from the program or the carrier, not from us. We’ll help you identify what applies to your Andover home and provide the documentation the programs require.
We Also Serve Cities Near Andover
Our crews serve Andover and the surrounding Broward communities, including Miramar, West Park, Hollywood, and West Hollywood. If you’re in any of these areas and dealing with the same jalousie-replacement and insurance-carrier pressures, the same team, the same brands, and the same written-quote policy apply. The one down the road.
Serving Andover, FL — Our Local Coverage Area
We’re based in the Andover 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 — Energy-Efficient Windows in Andover
You can’t replace only the glass because the jalousie frame itself cannot hold an impact-rated lite, and the entire assembly fails HVHZ code on structural grounds. Andover sits in Broward County’s High Velocity Hurricane Zone, where every replacement window must carry a Miami-Dade NOA or Florida Product Approval covering the complete unit, frame and glass together. There is no retrofit kit for jalousies that satisfies this. The legal and insurable path is full frame-and-glass replacement. Call (844) 901-4551 and we’ll show you the code language and your options.
Yes, and the difference is measurable, not theoretical. CBS block homes hold thermal mass, but original single-pane windows bleed conditioned air and let solar heat pour in. After full low-E argon-filled impact replacement, Andover homeowners routinely see cooling load drops of 20 to 30 percent. On a 1960s ranch, that translates to lower FPL bills and rooms on the west side that stop cooking after noon. We can run the numbers on your specific openings during the free measure.
The carrier wants proof that every opening is impact-rated with a valid Miami-Dade NOA or Florida Product Approval, and that the installation was done correctly. We provide the product documentation, the anchor schedule, and everything your wind-mitigation inspector needs to sign off. Many Andover homeowners come to us holding non-renewal notices that name specific openings. We’ve cleared those. The key is using windows with the right design pressure ratings for each opening and installing them to the approved method.
Yes. Andover’s block homes were built when rough openings were framed for jalousies and sliders, not modern standardized units. The fix is custom-sized impact windows fabricated to your exact measurements, or masonry modification to accommodate a stock size. We measure every opening individually and order custom units from PGT or CGI to match. Rushing a stock unit into a non-standard block opening is exactly what leaves gaps that leak and fail inspection. Call (844) 901-4551 and we’ll measure every opening for free.
Andover sits close enough to the Atlantic that salt-laden air, especially during onshore wind patterns, deposits chloride on exposed aluminum frames. That chloride reacts with the metal and creates pitting and white corrosion blooms within a decade, faster than neighborhoods further west. The original thin-gauge frames from the 1950s and 1970s were never finished to withstand this environment. Replacement units need marine-grade finishes and stainless or hot-dip hardware, which is what we specify on every Andover install.
If your Andover home is still riding on original jalousies or corroded aluminum sliders, don’t wait for the insurance letter to force your hand. We’ll come measure every opening, give you a written line-item quote, and walk you through the brands and the incentive programs that apply. Call (844) 901-4551 for your free estimate. Ed’s name is on the door, and on every window we install. The one down the road.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Andover and surrounding Broward County communities since 2011.










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