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ECO Window Systems Bathroom Remodeling: The Pasadena Owner’s Guide
A full bathroom remodel involving ECO Window Systems products in Pasadena typically runs $9,000 to $28,000 installed, and most projects we take on wrap up in two to four weeks depending on scope. You usually find yourself on this page because your existing bathroom window has failed, or because you’re replacing a tub surround and realized the window framing has water damage behind it. Either way, we’ll walk you through what to expect, what it costs, and how to know whether you’re dealing with a simple parts swap or something deeper.
What we see most often in Pasadena homes: the window leak isn’t coming from the glass itself. It’s coming from the rough opening, the flashing, or the trim. And in bathrooms, that means water has been sneaking behind the tile long before you noticed a stain on the ceiling below. That’s the moment you need someone who knows both window systems and bathroom waterproofing, not one or the other.
Which ECO Window Systems Models This Applies To
ECO Window Systems builds vinyl and aluminum replacement windows across a few distinct series lines, and bathroom applications almost always involve an awning, casement, or slider unit sized to sit above a tub or beside a shower. The compatibility gotcha we run into constantly in older Pasadena craftsman homes near Bungalow Heaven: the original window rough opening is rarely square, and ECO units are built to tight tolerances. If your installer just crams the new window in and foams the gap, the sash binds and the weep system fails within a few seasons.
The right way to identify your unit: look for the serial label on the side jamb or top rail. It’ll show the series code and glass package. If that sticker’s gone, measure the visible glass, not the frame, and pull the sash out to check the spacer between panes. Warm-edge spacer means a newer ECO unit. Metal spacer means early production, and those are the ones most likely to have condensation between panes. We stock factory-equivalent replacement sashes and balances for most ECO series sold in Southern California, and the OEM versus aftermarket decision matters less for the glass than it does for the balance hardware. Cheap aftermarket balances make the sash feel wrong within a year.
Styles & brands we work with
Signs Your ECO Window Systems Bathroom Remodeling Is Failing
- Fog between the panes. That’s not something you wipe off. The sealed unit has lost its gas fill and the desiccant inside the spacer has maxed out. On an older ECO window, that means the insulated glass unit, or IGU, is done and needs a replacement sash or glass pack.
- Water staining on the wall below the window. Nine times out of ten, the water isn’t coming through the glass. It’s the exterior flashing or the sill pan underneath the window. In a shower location, that’s usually a tile-to-window transition failure, not a window failure.
- The sash won’t stay open on an awning or casement. That’s a failed torque hinge or tension spring. ECO uses specific hardware profiles, and the wrong replacement leaves the window sagging so the weather seal doesn’t seat.
- You can hear the street through a closed window. Early ECO units in Pasadena were often sold with basic dual-pane glass and no laminated option. If your neighbor’s leaf blower sounds like it’s in the room, you’ve got a standard IGU where an acoustic package should be, especially anywhere near the 210 or Colorado Boulevard.
- Condensation inside the house on the window’s lower corners each morning. In a bathroom that gets a lot of steam, this often means the warm-edge spacer has pulled away from the glass at the bottom corners. That’s where we see the first fog on ECO units installed in Pasadena’s older homes with steam-prone bath fans.
One more thing worth saying plainly: if you see water damage around a bathroom window, don’t just caulk it and move on. As Luca Romano puts it, “The work tells you everything. You just have to know how to listen to it.” And what that work is usually saying is that you’re looking at a tile and waterproofing fix, not a window fix.
See the difference
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AfterReplacement Cost & What’s Included
In Pasadena, a bathroom remodel that includes replacing an ECO window as part of the job lands in that $9,000 to $28,000 range, but the window portion alone is more like $800 to $3,200 depending on the unit and how much rough-opening repair the rot requires. A smaller guest bath with a standard vinyl slider and a direct tile surround will sit at the low end. A master bath with a casement or awning over a freestanding tub, full waterproofing, custom glass, and new tile runs toward the top.
What drives the number: how much water got in before you caught it, whether we’re pulling the tub or just the surround, whether the window is being relocated or resized, and what tile you pick. Every quote from us is a written, line-item price before any work starts. No change orders, no “we discovered” surprises. The surcharge trick doesn’t happen here. Our 365-Day Done Right Promise is attached to every bathroom remodel we do with a window in play, and it’s in writing.
DIY or Call Us?
You can safely check the basics: look for the serial label, peel the trim to see if the rough opening shows rot, and run a bead of water across the sill on the exterior to see where it drains. What you shouldn’t do yourself: pull the window out of a tiled shower wall. Once you break the waterproofing plane, you’ve opened the wall to moisture, and piecing it back together with caulk and hope means a $9,000 remodel turns into a $28,000 one two years from now when the studs go soft.
We’re Sawyer Remodel Pasadena, an independent remodeling contractor. We’re not affiliated with ECO Window Systems, but we install and replace their windows in bathroom renovations throughout Pasadena every season. If the job is just a failed sash or a fogged IGU, we can usually get parts and make the swap without ripping out tile. If the job is bigger, we’ll tell you that straight, show you the water damage with photos, and give you a written price before any work happens.
Call (626) 657-5396.
FAQs
In our experience, the glass packages on ECO windows in bathroom settings last 12 to 20 years in Southern California before fog or seal failure, while the frames last much longer if the flashing and waterproofing were done right. The killers are steam exposure and direct sun on the western and southern sides of your house, especially if the window sits above a shower without proper ventilation.
Sometimes yes. A failed IGU can usually be replaced as a sash or glass pack without tearing out the entire window, but if the failure is in the frame’s weep system or the rough opening flashing, repair stops being a conversation and replacement becomes the honest answer. Call (626) 657-5396 and we’ll tell you which situation you’re in after one visit.
Most full bathroom remodels with a window component run two to four weeks from demo to final grout, assuming no structural surprises. A simple glass pack or sash swap can be done the same week the part arrives at our shop. We’ll put the timeline in writing with your quote.
We keep the most common ECO sashes, balances, and hardware profiles in our Pasadena inventory, along with the flashing materials needed to tie a new or existing window into a tile surround. Less common sizes get ordered and arrive within days, not weeks. Alongside ECO, we also stock and install materials from KraftMaid, Cambria, and Silestone on bathroom projects, so cabinets and surfaces are handled under the same written price.
Call (626) 657-5396 for a free estimate before you buy a single part.
Written by Luca Romano, Owner & Lead Contractor, Sawyer Remodel Pasadena at Sawyer Remodel Pasadena, serving Pasadena and nearby areas.
