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ECO Window Systems Home Additions & ADU: The Fort Lauderdale Owner’s Guide
We stock and install ECO Window Systems-compatible components for home additions and ADU projects throughout Fort Lauderdale, with typical installed pricing from $45,000 to $130,000 for full additions and $90,000 to $220,000 for detached ADUs. Most ECO Window Systems window and door systems used in these projects can be sourced and installed within standard lead times once permits clear. Homeowners usually discover an issue when a formerly tight ECO Window Systems unit starts leaking during Fort Lauderdale’s summer downpours, or when the sliding track in a converted garage ADU binds after a few seasons of salt-air exposure.
Which ECO Window Systems Models This Applies To
ECO Window Systems produces several product lines common in South Florida additions and ADUs. The ECO 8000 series vinyl impact windows and ECO 5000 aluminum impact windows are the two we see most often in Fort Lauderdale garage conversions and rear additions, typically identifiable by the etched logo in the glass corner and a sticker on the frame rail with a 12-digit serial beginning with “ECO-FL.” The ECO sliding glass door systems, particularly the SGD-72 and SGD-96 models, appear frequently in ADUs where owners want to open living space to a patio.
For matching, we need the serial prefix and the visible frame depth, measured from interior to exterior stop. The 8000 series uses a 3.25-inch frame depth; the 5000 series runs 2.875 inches. OEM ECO parts come through their Pompano Beach distribution center, usually five to seven business days. We also source quality aftermarket equivalents from CWS and PGT for faster turnaround when the exact ECO profile is discontinued, which has happened twice in the past three years with certain SGD hardware kits. Rowan Construction Group Fort Lauderdale is an independent service provider, not affiliated with ECO Window Systems.
Signs Your ECO Window Systems Home Additions & ADU Is Failing

- Water intrusion at the sill after heavy rain. In Fort Lauderdale, the combination of flat afternoon storms and ECO’s weep-hole design means debris or salt crust blocks drainage paths. The water isn’t necessarily a failed seal; it’s often a maintenance issue that turns into frame rot if ignored.
- Sliding panel sticks or skips in the track. The stainless steel rollers in ECO sliding doors corrode from salt-air exposure, particularly on east-facing ADUs within a mile of the Intracoastal. The panel feels heavy because the roller diameter has worn from 1.125 inches to under an inch.
- Impact glass fogs between panes. The insulated glass unit (IGU) seal has failed, and the desiccant inside is saturated. In Fort Lauderdale’s humidity, this happens faster than inland specs suggest, often at 8 to 12 years rather than the 15-year mark.
- Locking mechanism won’t engage fully. The multipoint lock hardware in ECO’s tilt-turn units relies on a metal cam that fatigues with repeated thermal cycling. A half-engaged lock is a code violation and a security issue.
- Frame corners gap or separate. The heat-welded vinyl in the 8000 series can stress-crack if the addition settles differentially from the main structure, which we see in Victoria Park and Rio Vista where 1950s slabs meet new footings.
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AfterReplacement Cost & What’s Included
| Component | Parts + Labor Range | Notes |
|---|---|---|
| ECO 8000/5000 IGU replacement (per unit) | $450-$890 | Includes disposal, new glazing tape, sealant |
| Sliding door roller/hardware kit | $320-$580 | Aftermarket stainless or OEM; 2-hour labor |
| Multipoint lock assembly | $280-$520 | Must match handle set finish |
| Full frame replacement (per opening) | $1,800-$3,400 | Stucco/trim repair included; permit if required |
| Complete ECO window package, 400 sq ft addition | $8,000-$15,000 | Impact-rated, permit-ready, photo-documented |
| Full home addition (typical scope) | $45,000-$130,000 | Written scope, fixed price, signed change orders only |
| Detached ADU construction | $90,000-$220,000 | Includes foundation, MEP, impact windows, final inspection |
What drives the range: condition of existing openings, whether stucco repair matches original texture, and whether Fort Lauderdale’s building department requires a full permit package or allows repair-by-repair approvals. Under Clause 1 of the Haven Standard, the written price covers everything in the scope; no work proceeds on a change until the change order is signed. Every project includes a documented photo record as standard, not an upgrade.
DIY or Call Us?

An owner can safely check the serial number, measure frame depth, and clear weep holes with a pipe cleaner. That’s the boundary. Replacing an IGU in an impact-rated unit requires temporary support of the sash, proper setting blocks, and sealant compatible with the original glazing tape, or the assembly loses its Miami-Dade NOA certification. Multipoint lock adjustment involves precise striker-plate alignment; a misaligned lock stresses the mechanism and voids any remaining warranty.
More critically, any frame replacement in a Fort Lauderdale addition or ADU triggers the Florida Building Code’s impact requirements for the opening. Installing a non-impact unit in an impact zone fails inspection and exposes the owner to liability. We pull permits, schedule inspections, and deliver the signed compliance documentation. Call (754) 254-7676 to schedule your free estimate.
FAQs
Impact glass and vinyl frames typically perform 15 to 20 years with basic maintenance, though IGUs often fog at 8 to 12 years in salt-air exposure. East-facing units within a half-mile of open water trend toward the shorter end. Call (754) 254-7676 for an exact quote on replacement - estimates are free.
A cracked impact lite cannot be field-repaired; the entire IGU must be replaced to maintain the NOA certification. Surface scratches can sometimes be polished if shallow, but this is cosmetic only. Call (754) 254-7676 for an exact quote - estimates are free.
IGU replacement in an accessible single-hung unit runs 90 minutes; a full sliding door roller and track service runs three to four hours. Full-frame replacements require two days with drying time for sealants. We schedule Fort Lauderdale permitting concurrently where possible. Call (754) 254-7676 for an exact quote - estimates are free.
We stock common rollers, locks, and glazing supplies; OEM ECO IGUs and specialty hardware ship from Pompano Beach with five to seven day lead time. For urgent situations, we can install compatible aftermarket equivalents that meet Miami-Dade requirements. Call (754) 254-7676 for an exact quote - estimates are free.
Measure twice, write it down, then say it once. That’s how we’ve kept projects within a few percent of the agreed price across 4,000-plus jobs since 2007.
Written by Grant Rowan, Owner, Rowan Construction Group - Fort Lauderdale, FL at Rowan Construction Group Fort Lauderdale, serving Fort Lauderdale and nearby areas.







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