Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Trusted Energy-Efficient Windows for Naples Homeowners
Energy-efficient windows in Naples typically cost between $650 and $1,400 per window installed, with most whole-home projects landing in the $8,000 to $22,000 range depending on glass packages, frame materials, and the condition of existing openings. Homes in Naples face a double punch: relentless UV exposure that fades furniture and drives cooling bills up from April through October, plus hurricane code requirements that demand impact-rated or properly protected openings. At Winslow Windows & Doors, we’ve been installing energy-efficient windows across Collier County since 2011, and Ed Winslow’s name is on the door – and on every job we do. Call (239) 899-6411 for a free, line-item estimate with no trip charge inside our home county.
We don’t sell windows from a call center. We measure, order, install, and stand behind every unit ourselves. If you’re tired of windows that sweat in the summer, rooms that never hold temperature, and electric bills that climb every July, we’ll walk you through your options in plain English, then install them right the first time. Fixed pricing, written quotes, and the 36500-Day Done Right Promise back every project.
What Our Energy-Efficient Windows Service Includes
Energy-efficient windows aren’t a single product. They’re a combination of glass coatings, gas fills, frame engineering, and installation technique, and each choice affects how well your home holds temperature, blocks UV, and resists hurricane-force wind. Here’s exactly what we install and service in Naples, and how each option performs in our climate.
Low-E & Argon Gas Glass
Low-E (low-emissivity) coatings are microscopically thin metal-oxide layers applied to the inside surface of the glass that reflect heat while letting visible light pass through. In Naples, where cooling dominates nine months of the year, a Low-E coating cuts the solar heat entering your home by up to 60% compared to clear glass, which translates directly into lower air-conditioning runtime. Argon gas between the panes adds another layer of thermal insulation because argon is denser than regular air and slows heat transfer across the gap. Winslow installs Low-E & Argon Gas Glass in dual-pane units from PGT and CWS, and we’ll help you choose between standard Low-E and enhanced Low-E coatings based on which direction your windows face and how much direct sun each room gets.

ENERGY STAR Replacement Windows
ENERGY STAR windows meet strict efficiency standards set by the U.S. Environmental Protection Agency, and the certification is specific to climate zone – a window rated for Ohio won’t necessarily perform well in South Florida. For Naples and all of Collier County, ENERGY STAR’s Southern zone rating means low Solar Heat Gain Coefficient (SHGC) values, which measure how well a window blocks solar heat. We install ENERGY STAR Replacement Windows and can walk you through the performance label on every unit so you understand the U-factor, SHGC, and visible transmittance numbers before you sign anything. You’ll see the actual NFRC label, not a brochure.

Insulated Laminated Glass
Insulated laminated glass combines two technologies: an insulating airspace between panes for thermal performance, and a laminated interlayer (usually a PVB or ionoplast film) similar to what’s in a car windshield, which adds impact resistance and sound dampening. In Naples, laminated glass is often required or strongly recommended for code compliance because it holds together when struck by debris during a storm instead of shattering into shards. Winslow installs Insulated Laminated Glass that meets Miami-Dade and Florida Building Code standards, and this is the same glass construction used in impact windows. If you’re replacing older windows in a pre-2002 home, laminated glass usually upgrades your entire home’s wind-resistance profile at the same time.

UV-Blocking & Fade Protection
Ultraviolet radiation is what fades hardwood floors, bleaches upholstery, and yellows artwork, and Naples gets some of the strongest UV exposure in the continental U.S. Standard Low-E glass already blocks a meaningful percentage of UV, but enhanced UV-blocking packages push that protection past 98%, which is the difference between your sofa lasting five years or fifteen. We install UV-blocking glass packages from Mr-Glass and ES Windows, and we’ve seen the difference in homes along Gulf Shore Boulevard and in Park Shore where floor-to-ceiling glass used to destroy carpet within a few seasons. If you’re protecting a collection, heirloom furniture, or just tired of replacing faded curtains every other year, this is worth the modest upcharge.

Solar & Tinted Glass Options
Tinted and solar-control glass goes beyond Low-E by adding a darker or reflective tint that physically reduces the amount of visible light and solar energy entering a room – think of it as sunglasses for your house. For west-facing or south-facing windows in Naples, especially in East Naples and Golden Gate where afternoon sun is relentless, a tinted option can cut heat gain dramatically while reducing glare on TVs and computer screens. Winslow installs Solar & Tinted Glass Options from ViewLux and ECO Window Systems, and we’ll match the tint level to each room’s actual sun exposure. One caution we always share: tint affects the view and the visible light inside your home, so we’ll bring samples and help you decide before any glass is ordered.

Window Energy Audits & Ratings
A window energy audit gives you a room-by-room assessment of where your home is losing conditioned air and gaining heat, using the actual performance ratings of your current windows versus what modern units deliver. We conduct these audits with the standard NFRC rating criteria – U-factor, SHGC, air leakage, and visible transmittance – and we’ll show you the numbers for your existing windows compared to what a replacement package would achieve. We don’t use a one-size-fits-all pitch; a home in Vineyards with mature shade trees has different glazing needs than a concrete-block ranch in Lely Resort baking in full sun. The audit is free with any estimate, and you’ll come away with the actual efficiency facts for your home, whether or not you buy from us.

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.
Brands We Service for Energy-Efficient Windows
Winslow Windows & Doors is an authorized installer for eight premium window and door manufacturers, and that matters when you’re spending five figures on glass that needs to perform for decades. We install PGT energy-efficient windows more than any other brand in Naples, and for good reason: PGT builds their units in Venice, Florida, specifically for Florida’s wind and heat environment, and their WinGuard and EnergyVue lines combine impact resistance with low-SHGC glass packages that are tuned for our climate. Our installers have handled hundreds of PGT openings, and we know their product line, their hardware, and their installation tolerances down to the millimeter.
We also install energy-efficient units from Mr-Glass, a Florida manufacturer known for heavy-duty frames and thermal packages that stand up to salt air near the Gulf, and Therma-Tru, whose fiberglass and steel door systems pair beautifully with energy-efficient window packages when you’re doing a full exterior improvement. Whether you have PGT, Mr-Glass, Therma-Tru, or any other make in your home today, we can assess your current openings, spec the right replacement, and handle the installation under one roof. Ed Winslow has personally inspected thousands of window installations across Collier County, and that same scrutiny applies to every unit we put in.
Signs You Need Energy-Efficient Windows Right Now
- Rooms that won’t hold temperature. If your thermostat reads 74 but the family room feels like 80 every afternoon, your windows are likely transferring heat faster than your AC can remove it. Single-pane or builder-grade glass from 15+ years ago loses the thermal battle in Naples from March through November.
- Condensation or fog between the panes. Moisture fog between the two panes of glass means the seal has failed and the insulating gas has leaked out. That window now has roughly the efficiency of a single pane, and no amount of weatherstripping will fix it – the unit needs replacement.
- Monthly electric bills that spike every summer. FPL rates in Southwest Florida keep climbing, and windows account for up to 30% of a home’s cooling load. If your June-through-September bills are $75 to $150 higher than they were five years ago with the same thermostat setting, your windows are a prime suspect.
- Sun-faded floors, furniture, or artwork near windows. If your sofa has a distinct fade line where the sunlight hits it each afternoon, your current glass is blocking little or no UV. Modern Low-E and UV-blocking packages stop over 98% of that damage, and the fix often pays for itself in furniture and flooring you don’t have to replace.
- Windows that feel hot to the touch. Put your hand on the interior glass at 3 p.m. If it’s warm – or worse, hot – your windows are conducting solar heat straight into the room. Energy-efficient Low-E glass in Naples should feel close to room temperature even on a 92-degree day.
If any of these sound familiar, you’re not imagining things. We’ve seen these exact symptoms in homes from Naples Park to Olde Naples to Port Royal, and the fix is the same: the right glass, the right frame, installed correctly.
Our Energy-Efficient Windows Process - Step by Step
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Call and talk to a real person. When you call (239) 899-6411, a live person answers – every time, around the clock. We’ll ask about your home, your windows, what rooms feel uncomfortable, and what your energy bills look like. Then we’ll schedule a free on-site estimate at a time that works for you, with no trip charge anywhere in our home county of Collier.
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In-home measurement and energy audit. A uniformed, background-checked Winslow technician comes to your home, measures every opening precisely, inspects the condition of frames, sills, and flashing, and runs a basic energy assessment. We check for air leaks, failed seals, and signs of water intrusion around existing windows. This step is where we earn your confidence – no vague numbers, no drive-by estimates.
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Written line-item quote with fixed pricing. You get a written estimate that breaks down every window, the glass package, the frame material, labor, and any necessary code upgrades. No change orders later, no price creep, no “we didn’t expect this” surprises. The price on the quote is the price you pay.
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Ordering and precise installation. Once you approve the quote, we order your windows from the manufacturer to your exact specifications – glass type, gas fill, coating, frame color, grid pattern, everything. Installation is scheduled around your availability, and our crew installs each unit level, square, sealed, and flashed properly. We don’t rush, we don’t reuse rotten wood, and we don’t leave a mess.
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Cleanup, walkthrough, and the 36500-Day Promise. We walk the job with you before we leave, demonstrate every window, and confirm you’re satisfied. Then the 36500-Day Done Right Promise goes into effect: if it’s not done right, Winslow makes it right – period. That’s a century-long standard of accountability, and Ed’s name is on it.
How Much Does Energy-Efficient Windows Cost in Naples?
A typical energy-efficient window replacement in Naples runs $650 to $1,400 per window installed. Here’s how that breaks down by scope: a standard 3×5-foot vinyl-frame Low-E double-hung window typically lands at $650 to $900 installed; upgrading to impact-rated or laminated glass pushes that to $900 to $1,300; a full-frame replacement with new interior and exterior trim, common in older Naples homes, adds $150 to $350 per window for material and labor; and UV-blocking or tinted glass packages add $40 to $120 per window depending on the coating. A whole-house project (10 to 14 windows) generally ranges from $8,000 to $18,000 in Collier County, with larger luxury homes in places like Port Royal or Pelican Bay running higher based on window count and glass specifications.
What affects the price most: the glass package you choose (standard Low-E versus laminated impact glass is a 40-to-60% cost difference), the frame material (vinyl is the value option; aluminum and fiberglass cost more), whether the existing frame can be retrofitted or needs full replacement, and local permitting requirements for homes in flood zones or historic districts. How to avoid overpaying: get a written, line-item quote so you can compare glass spec to glass spec, not just bottom-line numbers, and make sure the quote includes installation, haul-away, and any permit fees. Our free estimates include all of that – every line item, every fee, every window – so you know the real number before you commit. Call (239) 899-6411 for an exact quote on your home.
Energy-Efficient Windows Near Naples - Our Service Area
Winslow Windows & Doors is based minutes from downtown Naples and serves the entire Collier County area, from Energy-Efficient Windows in Naples through North Naples, Golden Gate, East Naples, Naples Park, and Immokalee, down to Marco Island and up through Bonita Springs and Estero. Most homeowners in Naples and the immediate surrounding communities can get an estimate scheduled within a few days, and our install crews work throughout the county every week of the year. If you’re in Marco Island or Bonita Springs, we’re already in your neighborhood regularly, and we’d be glad to add your home to the route. We’re the one down the road.
Serving Naples, FL - Our Local Coverage Area
We’re based in the Naples area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - Energy-Efficient Windows in Naples
Energy-efficient windows are window units engineered to reduce heat transfer between your home’s interior and the outside environment, using Low-E glass coatings, argon or krypton gas fills, insulated frames, and often double or triple panes of glass. In Naples, the key metric is a low Solar Heat Gain Coefficient, which means the window blocks solar heat while still admitting natural light. The practical result is lower cooling costs, more even indoor temperatures, and less fade damage to your furniture and floors.
For a typical Naples home with 10 to 14 windows, installation takes one to three days once your custom-ordered windows arrive from the manufacturer, and the order-to-install timeline is usually 4 to 8 weeks depending on the brand and glass package you choose. We’ll give you a firm timeline in writing when you approve your quote, and we’ll keep you updated if anything changes at the manufacturer’s end. Call (239) 899-6411 and we’ll give you a realistic schedule for your specific project.
Energy-efficient windows in Naples typically cost $650 to $1,400 per window installed, with most whole-home projects ranging from $8,000 to $22,000 depending on the number of windows, the glass package, and whether impact-rated glazing is included. Every project gets a written line-item quote, so you’ll see exactly where every dollar goes before you approve anything. We offer free estimates with no trip charge inside our home county.
Yes, Winslow Windows & Doors is an authorized PGT installer, and PGT is the brand we install most often in Naples because their EnergyVue and WinGuard lines combine energy efficiency with Florida-specific impact ratings. We also install energy-efficient units from Mr-Glass, CGI, CWS, ES Windows, and several other premium manufacturers. If you have a specific brand or performance spec in mind, call (239) 899-6411 and we’ll tell you exactly what we can source and install.
Yes, and a live person answers our phone 24 hours a day, 7 days a week – no voicemail loops, no call centers, no next-business-day callbacks. If a window is broken, a seal has failed, or a storm has compromised your home’s envelope, call (239) 899-6411 at any hour and you’ll reach a real person who can dispatch a background-checked technician. We can’t always replace a specialty window the same day it breaks, but we will always answer the phone, assess the situation honestly, and get your home secured and scheduled as fast as anyone in Naples.
Every energy-efficient window we install is covered by both the manufacturer’s warranty on glass and frame and Winslow’s own 36500-Day Done Right Promise, which means if it’s not installed right, we come back and make it right – for a century’s worth of accountability. We don’t hide behind fine print or point fingers at the manufacturer when something goes wrong; Ed Winslow owns the outcome. Ask us for the specific warranty terms on any brand you’re considering, and we’ll provide them in writing before you commit.
Clear furniture, wall hangings, and window treatments away from each opening about three to four feet back, and remove any exterior landscaping or decorations directly outside the windows so the crew has clean access from both sides. Cover nearby furniture with sheets, because even a careful crew creates some dust during removal of old windows. We’ll confirm exactly what needs to move when we schedule your install, and we handle all haul-away and cleanup of the old windows and debris.
Schedule Your Energy-Efficient Windows Service in Naples Today
Call (239) 899-6411 now to schedule your free, no-obligation estimate. You’ll speak to a live person, get a written line-item quote with our fixed pricing, and know exactly what your new energy-efficient windows will cost before you decide anything. We answer the phone around the clock, we don’t charge trip fees in our home county, and we back every install with the 36500-Day Done Right Promise. Ed’s name is on the door – and on every job we do.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Naples 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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