Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
CWS Window Replacement: The Doral Owner’s Guide
We stock and install CWS-compatible window replacement parts in Doral, with typical installed pricing from $340 to $780 depending on sash size, glazing type, and whether the frame needs resealing. Most standard CWS single-hung and horizontal roller units we can source and fit within two business days; impact-rated laminated glass assemblies add roughly $180 to $400 to that range. Homeowners usually discover the failure when a sash won’t stay open, condensation appears between panes, or they feel air movement around a closed sash during one of Doral’s summer storms.
Which CWS Models This Applies To
CWS operates several product tiers, and the replacement approach differs by series. The WindPact Plus and WindPact Max impact lines use heavier extrusions and laminated glass that cannot be swapped with standard annealed units. The Single Hung 2000 and Horizontal Roller 5000 series are the two we see most often in Doral homes built between 2015 and 2022, particularly in neighborhoods like Beacon Lakes and the townhome clusters near NW 87th Avenue.
To identify your exact model, check the AMA label inside the frame head or the jamb sticker. The series code is stamped there, along with the glass specification and the NFRC rating. If the label is sun-faded, which happens faster in South Florida than the manufacturer expects, measure the daylight opening (the clear glass area, not the frame outer dimension) and the sash thickness at the meeting rail. CWS uses a proprietary interlock profile on impact units that differs from PGT and CGI by approximately 3/16 inch. That gap matters. We have seen aftermarket sashes ordered by daylight opening alone that seated poorly and leaked at the interlock because the rail geometry was wrong.
We are an independent service provider, not affiliated with CWS. For most repairs we use CWS OEM parts sourced through their Florida distribution network. In cases where lead time exceeds ten days, we will specify a verified aftermarket equivalent and note the deviation in writing before any work starts.
Signs Your CWS Window Replacement Is Failing

- The sash drops or won’t stay raised. This is usually a balance shoe or spiral tension rod failure in single-hung units. CWS uses a constant-force balance system in the 2000 series that corrodes faster in Doral’s humidity than the manufacturer rates for, particularly on east-facing elevations where morning condensation sits in the jamb channel.
- Fog or moisture between glass panes. The insulated glass unit (IGU) seal has failed. Once desiccant saturation occurs, the glass is not repairable; it must be replaced as a sealed assembly. In Doral, we see this accelerate on windows with dark exterior frames that run 15 to 20 degrees hotter than white or beige units.
- Air infiltration at the sash perimeter. The weatherstrip pile or bulb seal has compressed or torn. CWS uses a dual-fin design on impact units that is effective when new but stiffens in cold snaps and then cracks at the fin base. A homeowner can sometimes feel this with a candle test, but the real measurement is a frame-to-sash gap reading with a feeler gauge.
- Difficulty locking or latching. The keep (strike plate) has shifted, or the cam lock mechanism has worn. This is often a symptom of settling in the rough opening rather than a part defect. We check plumb and square before ordering parts; otherwise the new lock fails in six months.
- Visible frame distortion or corner separation. The fusion-welded corner has stress-cracked, or the sill track has bowed from thermal expansion. This is not a part-level repair. The sash or entire frame unit requires replacement, and we will document the distortion in the measured survey so the cause is clear.
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AfterReplacement Cost & What’s Included
| Component | Typical Range (Installed) | What Drives the Variation |
|---|---|---|
| Standard IGU (non-impact) | $340 - $520 | Glass size, Low-E coating grade, argon fill |
| Impact-rated IGU (laminated) | $520 - $780 | Glass thickness, interlayer type, missile rating |
| Balance system replacement | $280 - $440 | Sash weight, access difficulty, single vs. both sides |
| Weatherstrip replacement (full sash) | $180 - $320 | Linear footage, profile availability, frame disassembly required |
| Lock/keeper set | $140 - $240 | Series-specific hardware, keyed alike option |
The range exists because CWS units vary in glazing specification even within the same series. A WindPact Max unit with SGCC-certified laminated glass and a 0.30 SHGC coating costs more to replace than a base impact unit with clear laminated glass. Our quote includes the part, removal and disposal of the failed component, resealing with backer rod and silicone where the frame meets the opening, and a documented photo record of the completed work. The 365-Day Done Right Promise applies to every replacement. If the sash leaks, binds, or fails at the same component within a year, we return and correct it. The price you sign is the price on the invoice. Haven Clause 1.
DIY or Call Us?

There is one thing a CWS owner can safely check: the AMA label location and whether the failure is in the glass, the hardware, or the frame. Beyond that, window replacement parts carry real risk. An impact-rated IGU weighs 40 to 80 pounds depending on size, and the laminated layer can spider-crack unpredictably during handling if the edge is nicked. The balance system in a single-hung unit is under spring tension; improper release can damage the jamb or cause injury. We do not recommend DIY removal for any component that requires frame disassembly.
What we do recommend: call us at (786) 460-1563 for a measured survey. Sonia Raman or a verified crew member will arrive uniformed with license number visible, document the exact part specification, and leave you with a written scope and price before any work is scheduled. Measure it right the first time. Everything else follows from that.
FAQs
Standard IGUs typically last 12 to 18 years in South Florida before seal failure, though we have seen premature failure at 8 years on west-facing dark frames. Balance systems average 10 to 15 years but corrode faster within three miles of saltwater exposure. Call (786) 460-1563 for an exact quote on replacement - estimates are free.
No. Once an IGU seal fails and moisture enters the airspace, the desiccant is saturated and the low-E coating may have begun degrading. Defogging services are temporary and void any remaining warranty. Replacement with a new sealed unit is the only lasting fix. Call (786) 460-1563 for an exact quote - estimates are free.
Most sash or IGU replacements take 90 minutes to three hours per opening, depending on interior trim protection needs and whether the frame requires resealing. We schedule by the job, not by the hour, so the crew is not rushing to the next call. Call (786) 460-1563 to schedule your free estimate.
We carry common weatherstrip profiles, balance shoes, and lock sets for the CWS 2000 and 5000 series. IGUs and complete sashes are ordered to specification after measurement, since glass size and impact rating vary by installation. Most arrive within two business days from CWS’s Florida distribution. Call (786) 460-1563 to confirm availability for your specific model - estimates are free.
Written by Sonia Raman, Owner, Sightline Windows & Doors Doral at Sightline Windows & Doors Doral, serving Doral and nearby areas.










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