ECO Window Systems Home Additions & ADU Nationwide

ECO Window Systems Home Additions & ADU: The Boca Raton Owner’s Guide

We stock and install ECO Window Systems-compatible window and door components for home additions and ADU projects in Boca Raton, with typical installed pricing for full addition window packages running $45,000-$130,000 depending on unit count and impact rating. Most ECO Window Systems part replacements for existing additions can be quoted same-day from our truck stock, and we carry the full series range for both new construction and retrofit applications. Homeowners usually discover a problem when they notice water intrusion along the sill during Boca Raton’s summer downpours, or when the impact-rated sash no longer seats properly after a storm season - both signs that the weep system or compression seal has degraded past the point of adjustment.

Call (754) 254-8065

Which ECO Window Systems Models This Applies To

ECO Window Systems organizes its residential lines by frame material and impact certification, and the parts we handle for Boca Raton additions and ADUs fall into three series: the ECO Impact vinyl line (single-hung and horizontal roller), the ECO Aluminum 4000 series (fixed and casement), and the ECO Vue thermally broken aluminum line used in higher-end ADU builds. The model number is stamped on the spacer bar between the glass panes, visible when you open the sash and read from left to right - it starts with “ECO-” followed by the series code and the NFRC size designation.

The critical compatibility gotcha in Boca Raton’s market is the HVHZ (High Velocity Hurricane Zone) certification. ECO Window Systems manufactures both HVHZ-rated and non-HVHZ versions of the same frame profile, and the glazing bead, balance system, and sill cap are not interchangeable between them. We source OEM ECO parts for warranty-sensitive replacements and use quality aftermarket equivalents from C.R. Laurence for out-of-warranty hardware where the spec matches - the decision depends on whether your original install included the 10-year glass-breakage rider.

Signs Your ECO Window Systems Home Additions & ADU Is Failing

• Water pooling on the interior sill after heavy rain. The weep holes in the ECO vinyl frame are designed to drain through the sill track, but Boca Raton’s pollen and salt air clog them within 18-24 months. When water backs up, it usually means the weep flap has hardened or the sill track itself has cracked from thermal cycling.
• Sash drops or won’t stay open on single-hung units. The ECO spiral balance system carries the weight of the sash; after roughly 8-10 years in Florida’s UV exposure, the nylon bushing wears and the spiral loses tension. You’ll feel the sash “fall” when you release it, or it may creep down from its own weight.
• Visible gap between sash and frame when closed. The compression seal, a Santoprene bulb gasket, compresses permanently over time. In ECO aluminum units, this shows first at the lock side where the handle torque concentrates pressure; in vinyl units, it fails evenly across the header.
• Condensation between glass panes. The insulated glass unit (IGU) has lost its seal. ECO Window Systems uses a dual-seal system - polyisobutylene primary and silicone secondary - but the edge spacer corrodes faster in Boca Raton’s salt-laden humidity, especially on east-facing elevations.
• Lock mechanism grinds or won’t engage. The ECO multipoint lock uses a zinc alloy gearbox that corrodes when the weep system fails and water enters the frame cavity. Once the gearbox seizes, the locking points no longer draw the sash into the frame uniformly.

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Replacement Cost & What’s Included

For a complete ECO Window Systems window package in a Boca Raton home addition, we quote $45,000-$130,000 installed, with the spread driven by unit count, impact rating level, and whether the addition requires structural modifications to the opening. Single-unit part replacements run on a different scale: an IGU replacement typically falls between $280-$520 per sash, spiral balance replacement at $140-$260 per sash, and full sash/frame replacement at $680-$1,400 per opening depending on size and series.

Every replacement quote from Rowan Construction Group Boca Raton is a flat written price with line-item parts and labor separated, delivered before any work starts. Under Clause 1 of The Haven Standard, that written number is fixed - no change order, no surprise. Our 365-Day Done Right Promise covers the installation and the part, and every visit includes a documented photo record of the condition we found and the work performed.

DIY or Call Us?

An owner can safely check the model number, clear superficial debris from weep holes with a soft brush, and verify that the lock is fully engaged before calling - those three steps solve about 15% of the calls we receive. Beyond that, ECO Window Systems replacement parts require specific knowledge: the spiral balance must be tensioned with a winding tool to the inch-pound spec for that sash weight, and the HVHZ glazing bead installs with a compression sequence that, done wrong, voids the impact certification.

We do not recommend DIY replacement of insulated glass units in impact-rated windows. The glazing tape application, spacer alignment, and pressure-equalization cap placement are documented in ECO’s installation manual for a reason - and in Boca Raton, an improper install means the window won’t pass inspection if your addition is ever resold. Call (754) 254-8065 and we’ll quote it in writing, usually same-day.

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