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ECO Window Systems Bathroom Remodeling: The Jacksonville Owner’s Guide
Bathroom remodeling for Jacksonville homes with ECO Window Systems windows and doors typically runs $9,000 to $28,000, depending on the bathroom size, the scope of the plumbing work, and whether we’re keeping the existing window openings or reframing around them. The job usually begins with a written price and a plan for protecting the floors before the first tool comes out. Most homeowners call us after noticing water staining on the drywall below a window, a frame that no longer seals tightly, or glass that fogs between the panes and will not clear.
Which ECO Window Systems Models This Applies To
ECO Window Systems manufactures vinyl and aluminum window lines that show up in a lot of Jacksonville homes built or renovated between roughly 1998 and 2015. The two series we encounter most often during bathroom remodels in Avondale, Riverside, and San Marco are the ECO 3000 single-hung and the ECO 5000 horizontal slider, both of which came in standard bathroom widths of 24, 30, and 36 inches. If the label on the head jamb is missing, we identify the series by measuring the frame depth and the glass thickness. The ECO 3000 uses a 2-5/8 inch frame with 7/8 inch insulated glass; the ECO 5000 runs a 3-1/4 inch frame with 1-inch glass. An OEM replacement sash or balance from ECO Window Systems is the safer match for older bathrooms because the extrusion profile changed slightly around 2012. Aftermarket balances from Caldwell or Amesbury work fine on earlier builds, but on later frames they can leave a 1/16 inch gap at the meeting rail that lets humid Florida air leak straight through. We stock both OEM and the higher-quality aftermarket balances on the truck, so we rarely have to leave a bathroom window disabled while waiting on a part.
Styles & brands we work with







Signs Your ECO Window Systems Bathroom Remodeling Is Failing
- Condensation between the panes that never clears. The desiccant inside the spacer bar has given up, and the only real fix is a new insulated glass unit. A fogged bathroom window is a warning sign that the opening is also getting more humid air than it should.
- The sash drops hard when you close it, or it takes real effort to lift. That’s a failed balance or a seized pivot bar. Ignoring it can break the vinyl shoe at the bottom of the sash, and then you’re paying for a full sash replacement instead of a balance swap.
- Water staining on the drywall under the window, especially after a shower. This is usually the frame leaking at the sill or the drain weep holes blocked with paint and hard water deposits. Here in Jacksonville’s humidity, that trapped water feeds mold inside the wall cavity before you can see it from the outside.
- You can feel a draft or see daylight at the meeting rail. The weatherstripping is compressed beyond recovery, or the original installer didn’t shim the frame square. A thin bead of water seeping through the rail during summer storms is a sign the interlocking rails aren’t meeting properly.
- The frame looks chalky and warped on the sun-facing side. ECO frames hold up reasonably well in North Florida, but a southwest exposure on a bathroom under a bathroom will eventually cause heat distortion. If the sash won’t seat level, the bathroom now has an air leak that no amount of recaulking will fix.
Replacement Cost & What’s Included
Bathroom remodeling with ECO Window Systems window and door work in Jacksonville falls between $9,000 and $28,000 complete. The window portion of that, when it’s a sash replacement or a new insulated glass unit inside an existing frame, usually lands in the $600 to $1,800 range per opening. The bigger numbers come into play when the remodel includes new framing around the window, waterproofing with Schluter Kerdi or equivalent, tile work, a walk-in shower, and the fixtures from Kohler or Moen. What pushes cost up within the range matters, so we put it in the written price up front: the number of windows being addressed, whether the existing opening is square and properly flashed, and the distance from the window to the shower pan where splash exposure is highest. Our labor and workmanship warranty runs a full year, and the Schluter waterproofing warranty is lifetime when installed to their spec. We never build a bathroom around a window that leaks or won’t open, and we don’t hide that surprise in a change order.
See the difference
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AfterDIY or Call Us?
There’s a safe middle ground here. You can clean the weep holes on an ECO window with a soft brush and a little vinegar, check for cracked caulk at the exterior frame, and note whether the sash sits square in the opening. What you shouldn’t do is pull a window frame out of a bathroom wall in a Jacksonville home without planning for Florida’s interior humidity. The moment the opening is open, you’re exposing the wall cavity to air that hasn’t been conditioned, and a bad flashing job on a bathroom wall in this climate becomes a mold problem inside six months. The window balances and sash hardware are not high-tension like a garage door spring, but a sash with a loaded balance can pinch hard if you’re forcing it without the right tool. If you want to talk through what you’re seeing, call (904) 643-6243 and we’ll tell you honestly whether it needs us or just a few minutes of maintenance on your end.
FAQs

Fifteen to twenty years is the realistic lifespan in North Florida bathrooms, because the interior humidity and the salt air combine to wear weatherstripping and hardware faster than they would in a cool dry climate. Call (904) 643-6243 and we can inspect yours and tell you how much life is left in the frames before you decide to spend on a full remodel.
Yes, in many cases: a failed balance, a worn pivot shoe, or a compressed weatherstrip can be swapped in under an hour without disturbing the tile or drywall. If the glass unit is fogged or the frame is warped, replacement is the only honest fix. We’ll give you a written price either way before any work begins.
A typical bathroom remodel in Jacksonville runs two to three weeks from demo to final clean-up, with the window work usually happening in the first three days. We’ll give you a schedule in the written scope of work, and the day the dumpster arrives and the day the crew leaves are named before you sign anything.
We stock ECO-compatible balances, pivot shoes, weatherstripping, and a selection of insulated glass units sized to the most common ECO window openings in Jacksonville. If we need to order an OEM glazing unit, it’s usually in our shop within five business days. We can also source compatible parts for KraftMaid cabinets, Cambria countertops, and Silestone surfaces when a bathroom remodel touches those materials.
Call Elmstead Remodeling Jacksonville for Your ECO Window Systems Bathroom Remodel
Name the material, name the day, name the price – then there is nothing left to wonder about. That’s how we write every scope, including the one we’d write for your bathroom. Graham Stein and the crew at Elmstead Remodeling Jacksonville have rebuilt bathrooms across Avondale, Riverside, San Marco, and the Beaches, and we treat every window and every wall as part of a home where children and pets live. Drop cloths on the floors, shoe covers at the door, quiet tools during quiet hours, and a photo of the clean-up before we leave. Call (904) 643-6243 to schedule your free estimate, and you’ll have a written price in hand before any work starts.
Written by Graham Stein, Owner, Elmstead Remodeling Jacksonville at Elmstead Remodeling Jacksonville, serving Jacksonville and nearby areas.


