Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Why Naples Homeowners Choose CWS Windows & Doors
Winslow Windows & Doors provides independent CWS in Naples windows and doors repair, service, and installation throughout Naples, Florida. We are not a CWS dealer and we are not authorized by the manufacturer, which means we answer to you, not a corporate warranty department. Our crew knows CWS 70 Series, 80 Series, 900 Series, and 7700 Series hardware inside and out, and we stock local parts so a sagging sash or seized multi-point lock gets fixed without a six-week factory lead time. Call (239) 899-6411 and a live person answers, any hour, any day.
Naples is a unique market for CWS products. Salt-laden Gulf air corrodes hardware within a mile or two of Gulf Shore Boulevard. Hurricane Irma’s 2017 direct hit pushed the entire retrofit market into overdrive. And Collier County’s strict “substantial improvement” threshold means a kitchen remodel in Port Royal can legally force a whole-house window replacement. We work in that reality every week.
Why Trust Winslow Windows & Doors for Your CWS Windows & Doors?
Ed Winslow grew up in Miami and learned the windows and doors trade at Miami Dade College’s construction technology program before spending decades in the field. He and his crew have been working Southwest Florida for years, installing Impact Windows on everything from quiet ranch homes to high-rises overlooking the Gulf along Vanderbilt Beach Road. Ed still shows up to every job site at least once, not to supervise, but because he genuinely wants to see how the light comes through a new window in a finished room.
That’s the level of attention your CWS windows get from us. Our technicians have handled enough CWS 70 Series single hungs and 80 Series horizontal rollers to diagnose a problem from a phone description and a photo before we ever park the truck. We use OEM CWS parts when a client orders them directly, but we also carry aftermarket components that match or beat factory spec, which saves Naples homeowners real money and weeks of waiting. And since we’re independent, we’ll tell you plainly when a repair makes sense and when you’re better off with a full replacement. No warranty-department script. No upselling.
Ed’s name is on the truck. That means we stand behind every frame we set.
Common CWS Windows & Doors Problems We Fix in Naples
- Sagging or misaligned sashes on CWS 70 Series single hung windows. The block-and-tackle balance system in these windows wears unevenly over time, especially in rooms facing direct afternoon sun. One side loses tension and the sash tilts in the frame, creating an air gap along the top rail and letting water in during summer downpours. We replace the balance assemblies in pairs and reset the sash alignment.
- Worn nylon rollers on CWS 80 Series horizontal rollers. This is the single most common CWS slider failure we see in Naples. The original nylon rollers are exposed to salt air, grit, and heat, and they slowly disintegrate. Once the nylon shell breaks away, the metal hub drags directly on the aluminum track and carves a groove. By the time the door gets hard to slide, the track is usually damaged too. Our crew was called to a Naples home with a CWS 80 Series horizontal roller that had become nearly impossible to slide. We found the nylon rollers had disintegrated, causing the sash to drag and groove the aluminum track. We replaced the rollers with commercial-grade aftermarket units and realigned the interlock, restoring smooth operation without replacing the entire window.
- Failed compression weather-stripping on CWS 900 Series casement windows. The multi-point locking system on a casement window pulls the sash tight against a compression gasket around the full perimeter. That gasket is rubber, and rubber in Naples lives a hard life. Salt, UV, and heat cycling make it stiff, cracked, and eventually useless. The window itself is fine, but you’ll feel a draft and see a bump in your cooling bill. We replace the gasket material and adjust the lock points so the seal actually compresses again.
- Corroded and seized multi-point locking mechanisms on CWS entry doors. Multi-point locks are excellent for security and air sealing, but their steel internal components hate coastal air. Within a mile or two of the Gulf, we routinely find lock bars that won’t retract because salt corrosion has bound the mechanism. Sometimes we can disassemble and restore the existing hardware. Other times, especially when internal springs have snapped, a full lock-body replacement is the only durable fix.
- Track wear and interlock damage on CWS 7700 Series 3-lite sliders. The middle panels on these sliders are heavy, and when a roller fails, the panel weight drags across the bottom track. The interlock between adjacent panels then misaligns and the panels grind against each other. Left alone, this turns a cheap roller replacement into a track-and-interlock rebuild. We catch it early when we can.
CWS Parts & Our Repair-vs-Replace Approach
We keep a practical inventory of CWS-compatible parts at our shop: balance assemblies for 70 Series single hungs, commercial-grade nylon rollers sized for 80 Series and 7700 Series tracks, compression gaskets for 900 Series casements, and multi-point lock bodies for CWS entry doors. That means most repairs happen in one visit, not after a back-order.
On parts, here’s the straight story: OEM CWS parts can be ordered by you directly from the manufacturer, and we’ll happily install them. But OEM pricing is often 40 to 60 percent higher than equivalent aftermarket components, and lead times can stretch weeks. When aftermarket quality is equal or better, which it often is for rollers and weather-stripping, we’ll recommend it and show you the cost difference in writing. Repair is usually the right call when the frame and sash are structurally solid. Full replacement makes sense when the glazing has lost its thermal performance or when impact-rated compliance is required for a code renovation. We’ll never push a replacement on a window that can honestly be saved, and we’ll never string along a window that should go.
For a straightforward diagnosis and a line-item quote, call (239) 899-6411. Estimates are free.
Our CWS Service Process - Step by Step
- 1
Phone diagnosis first. When you call (239) 899-6411, you talk to a person. We ask about the specific symptoms: noise when sliding, drafts, condensation between panes, water intrusion during rain. CWS failures tend to be predictable, so we can usually tell you what we’re dealing with before we arrive.
- 2
On-site inspection with written findings. We schedule a specific arrival time and show up in uniform, background-checked. We test the window’s balance, track condition, seal integrity, and lock operation. You get a written diagnosis and a line-item quote. No verbal estimates pulled from a pricing book.
- 3
Repair or installation. We use the agreed parts and perform the work to manufacturer spacing and sealing tolerances. For full replacements, we pull permits when Collier County requires them and coordinate inspections.
- 4
Testing before we leave. Every repaired or installed window gets cycled multiple times. Sliders get a loaded slide test. Casements get a compression check with a smoke pencil. Single hungs get raised and dropped repeatedly. If it doesn’t operate properly on our watch, it never gets signed off.
- 5
Warranty on our work. We provide a workmanship warranty on every repair and installation, backed by the 36500-Day Done Right Promise. If it’s not done right, Winslow makes it right. Period. That’s the entire warranty philosophy.
CWS Products We Service & Install in Naples
Our Naples service coverage includes the full residential CWS lineup: 70 Series single hung windows, 80 Series horizontal rollers, 900 Series casements, and 7700 Series 3-lite sliders, plus CWS service in Marco Island. We handle everything from replacing a single balance on an older 70 Series unit in Old Naples to full impact-rated replacement packages using current CWS-compatible systems in Pelican Bay or Grey Oaks. We also stock seals, rollers, and lock bodies locally, so most repairs do not wait on freight. If you have an obscure CWS part number, send a photo and we’ll match it.
Whether the job is hurricane impact windows, vinyl replacement windows, or a full frame replacement, the same crew does the work from start to finish.
We Also Service These Brands
We service and install more than a dozen premium brands, including PGT, CGI, ES Windows, and ECO Window Systems. If you have a mixed home with CWS sliders and PGT casements, one crew can handle both. That means one phone call, one appointment, one invoice.
FAQs - CWS Windows & Doors Service in Naples
In almost every case, this is a balance assembly failure, not a window failure. The block-and-tackle balances inside CWS 70 Series single hungs wear out and lose tension, which makes the sash heavy and prevents it from staying up. We replace both balances in the sash, which restores normal operation for a fraction of replacement cost. If the frame is solid and the glass is clear, repair is the right call. Call (239) 899-6411 for a free estimate.
Yes. We install impact-rated CWS-compatible products that carry the required Miami-Dade or Florida product approvals for wind-borne debris regions. Naples is in a high-velocity hurricane zone with design wind speeds exceeding 160 mph, so every impact window and door we install in Naples must meet Collier County permitting standards and pass inspection. We pull permits when required and coordinate the inspection process from start to finish.
On CWS 900 Series casement windows, the usual culprit is the compression weather-stripping around the sash perimeter. When the multi-point lock pulls the sash closed, it compresses the gasket to form the seal. Once that gasket stiffens from salt and UV exposure, or the lock points drift out of adjustment, the seal never actually compresses. Water gets past the weather-stripping, not the glass. We replace the gasket and recalibrate the lock points. Call (239) 899-6411 for an exact diagnosis.
We can replace a sash only when the existing frame is structurally sound, square, and properly flashed. For a CWS 70 Series single hung with a failed balance or a cracked glass unit, a sash replacement is often the most cost-effective fix. But when the frame has been twisted by settlement, the nailing fin is compromised, or the rough opening shows water damage, pulling only the sash would be irresponsible. In those cases, we recommend a full frame replacement and we’ll show you why with photos and measurements.
Usually not. The CWS 7700 Series 3-lite slider is built to be serviced. A broken lock replaces independently, and an off-track panel usually means a roller has failed or the interlock was knocked out of alignment. We reinstall the panel on new rollers, realign the interlock, and replace the lock body. The door generally operates like new. If the track is badly gouged from a long period of dragging, track repair or replacement becomes part of the quote.
Service costs in Naples depend heavily on what failed. A balance replacement on a CWS 70 Series single hung typically runs $120 to $240 per window on site. Roller replacement on an 80 Series horizontal slider runs $180 to $350 per panel. Weather-stripping replacement on a casement runs $150 to $400 per unit. Multi-point lock replacement on an entry door ranges from $300 to $700. Full impact-rated CWS-compatible replacement windows start around $1,100 to $1,800 per opening in Naples, depending on size and product approval requirements. Every quote is line-item, in writing, and free. Call (239) 899-6411 for an exact number on your specific job.
Book Your CWS Service in Naples, FL
One call to (239) 899-6411 gets you a live person, a straight answer, and a scheduled appointment. Free estimates. Free second opinions on written estimates. No trip charge inside our home county. The one down the road.
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.










Before
After
Before
After
Before
After