Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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Before
AfterECO Window Systems Home Additions & ADU: The Miami Owner’s Guide
We stock and install ECO Window Systems-compatible window and door assemblies for home additions and ADU projects in Miami, with typical installed pricing for addition and ADU window packages running $53,100-$153,400 depending on unit count and impact rating. Most ECO Window Systems inventory is available for next-day delivery to our warehouse, and we schedule installation once your framing inspection passes - no crew sitting idle waiting on product. Miami homeowners usually discover their ECO Window Systems units need attention when the addition’s interior humidity spikes, the sashes won’t lock after a tropical storm, or they spot delamination at the weep screed line after the rainy season.
Which ECO Window Systems Models This Applies To
ECO Window Systems produces several product lines common in South Florida additions and ADUs: the ECO Impact series (HVHZ-rated for Miami-Dade), the ECO Vue line (non-impact vinyl for interior-facing applications), and the ECO Elite aluminum thermally-broken frames used in second-story additions where energy compliance is strict. The model number is stamped on the spacer bar visible when you open the sash, or on a foil label at the head jamb - look for a 12- to 15-digit code beginning with “ECO-” followed by the series abbreviation.
The gotcha we see in Coral Gables and Pinecrest: ECO Vue and ECO Elite use different jamb depths (2⅜-inch vs. 3¼-inch), and an owner who orders based on sight line alone ends up with a frame that either protrudes past the drywall or leaves a gap at the stool. We measure rough opening width, height, and wall thickness before ordering - under Clause 1 of the Haven Standard, that measurement is written into the quote before any deposit is taken.
We are an independent service provider, not affiliated with ECO Window Systems. For most Miami additions, we source factory-direct ECO units; for ADUs on tighter budgets, we also vet compatible aftermarket impact assemblies from PGT and CGI that meet the same HVHZ spec at a lower per-opening cost. The customer receives the product data sheet either way, and the warranty terms are written in the scope.
Signs Your ECO Window Systems Home Additions & ADU Is Failing
- Sash won’t lock or drags in the track. The balance shoe or tilt latch has worn - common in ECO Vue units after 6-8 years of Miami’s salt-air exposure. The sash falls out of square and stresses the hardware.
- Condensation between panes that doesn’t wipe away. The insulated glass unit (IGU) seal has failed. In Miami’s humidity, this accelerates once it starts; the desiccant inside the spacer bar saturates within a season.
- Water staining at the sill or drywall below the window. The weep holes are clogged with paint or debris, or the end dam on the sill pan was omitted during original installation. Water backs up and finds the path of least resistance.
- Frame corners gapping or sealant cracking. Thermal expansion cycles in South Florida’s sun degrade the corner keys and back bedding. ECO aluminum frames move more than vinyl; the sealant bead is the failure point.
- Interior noise increase during storms. The laminated glass layer may have developed micro-delamination, or the weatherstrip has compressed permanently. Both reduce the STC rating the unit was selected for.
BeforeAfterReplacement Cost & What’s Included
For a full ECO Window Systems package in a Miami home addition or ADU, our installed range is $53,100-$153,400. The spread reflects unit count (a 400-square-foot ADU with four openings vs. a 1,200-square-foot addition with twelve), impact vs. non-impact specification, and whether the original openings need structural reframing for current code.
Every quote is a flat written price with line-item breakdown: window units, installation labor, permit fees, and disposal. We pull permits and schedule inspections; the customer receives a documented photo record at rough-in and final. The 365-Day Done Right Promise applies - if the sash operation, lock engagement, or seal performance is off, we return and make it right. No change order is generated for callback work; that’s covered under the original written scope.
DIY or Call Us?
An owner can safely check the model label, measure rough openings, and clear weep holes with a pipe cleaner. What goes wrong fast: ECO impact units weigh 80-120 pounds apiece, and a dropped sash with laminated glass is a $400-$600 mistake before labor. The balance system in ECO Elite tilt-wash units is under spring tension; releasing it without a brake tool damages the jamb liner.
More critically, Miami-Dade HVHZ installations require missile-impact certification documentation for the permit file. A homeowner who self-installs and can’t produce the product approval (PA) number faces re-inspection or removal. We handle the PA lookup, the TAS-201/202/203 compliance letter, and the inspector sign-off. Call (786) 321-4970 to schedule your free estimate - we’ll measure, identify the exact ECO series, and put the number in writing before any work starts.
FAQs
ECO impact windows typically perform 15-20 years in Miami’s coastal environment before IGU seal failure or hardware wear becomes likely; non-impact vinyl units often need attention at 10-14 years. Salt-air exposure at elevations under 15 feet accelerates hardware corrosion. Call (786) 321-4970 for an exact quote on replacement - estimates are free.
IGU seal failure requires full sash replacement - the glass and spacer are factory-sealed and can’t be field-repaired to Miami’s moisture standards. Hardware-only issues (locks, balances, tilt latches) can often be addressed with OEM parts without replacing the frame. We stock common ECO hardware on our service trucks.
A typical ECO Window Systems opening takes 45-90 minutes to remove and replace, assuming no reframing is needed. A full addition or ADU package is usually completed in 2-4 days depending on unit count and inspection scheduling. We don’t start demo until the replacement units are on-site - no open rough openings overnight.
We maintain inventory of common ECO Impact and ECO Elite sizes for Miami’s typical addition and ADU footprints; custom sizes or non-standard grid patterns ship factory-direct with a 3-4 week lead time. We verify stock against your measurements before quoting a delivery date. Call (786) 321-4970 to confirm availability for your specific openings.
We also stock and install assemblies from KraftMaid, Cambria, and Silestone for the interior finish portions of addition and ADU projects - the same written-price, documented-record process applies across every trade we carry.
Measure twice, write it down, then build it. That’s how Grant Rowan has run Rowan Construction Group since 2007, and it’s how we handle every ECO Window Systems installation in Miami - from the first measurement to the final photo in your project file.
Written by Grant Rowan, Owner, Rowan Construction Group Miami at Rowan Construction Group Miami, serving Miami and nearby areas.