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ECO Window Systems Construction in Los Gatos, CA | San Bernardino Contractors
We provide independent ECO Window Systems replacement and repair across Los Gatos, including full window replacement, impact window installation, and roof replacement. Most ECO calls we run in Los Gatos come down to one thing: fogged dual-pane glass on sun-baked elevations where the original vinyl frame was set into stucco with nothing but caulk. The repair-replace call depends on what the opening and the wall actually need, not a dealer program. Call (855) 473-5620 for a free estimate.
Why Los Gatos Residents Choose Us for ECO Window Systems Service
Ruben Castillo, our owner, grew up watching his uncle reroof houses and frame garages, then spent his construction technology training at San Bernardino Valley College learning to read plans and understand load paths before he ever touched a customer’s opening. That background shapes how we approach ECO Window Systems work in Los Gatos and ECO Window Systems repair in Saratoga: we measure the rough opening, check the framing behind the stucco, and look at how water has been moving around the unit for years before we quote anything. If it’s not built right the first time, you’re just paying for it twice.
We know these ECO vinyl single-hung, horizontal slider, and patio sliding door units because we have pulled enough of them out of 1990s and 2000s tract and remodel work across Los Gatos and nearby areas to know exactly where they fail and why, including our ECO Window Systems repair in Cambrian Park. We source OEM-spec or equivalent-quality glazing, balances, rollers, and weatherstripping sized to the existing ECO frame rather than dropping in whatever fits. When a frame is sound and only the glass unit or hardware has failed, we repair. When the vinyl is distorted, the rough opening is out of square, or the unit was never flashed correctly, we tell you plainly that replacement with proper re-flashing is the honest call.
You can learn more about how we handle ECO Window Systems sales & service across our broader service area.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Solve in Los Gatos
- Seal failure in the dual-pane IGU. The most common call we get on ECO units in Los Gatos. Hot, dry summers and strong afternoon sun on west- and south-facing glass push the insulating unit past its service life. The pane fogs or hazes from the edge inward. We replace the IGU with OEM-spec glazing sized to the existing frame.
- Vinyl frame distortion and sash drag on sun-baked hillside elevations. On steep 95033 lots, the uphill wall takes reflected heat off the slope and hardscape. Cheaper ECO vinyl profiles bow enough that the sash no longer latches or the weatherstripping gaps. This is a replacement call, not a repair.
- Perimeter leaks at the stucco-to-frame joint. After winter rains on deforested or re-graded hillside lots, water tracks behind a caulk-only original install and shows up as staining on the interior drywall returns. The glass is fine. The flashing is not. We re-flash to the stucco with sill pans and back-damming.
- Ember and wind-driven rain intrusion at the sill and weep channels. A real issue on Los Gatos homes near the Santa Cruz Mountain wildland edge. The original builder-grade hardware and sweep seals have hardened and pulled away. Those units were never specified for a wildland-urban interface exposure. We upgrade the seals and, where required, the glazing to meet current fire-safe expectations.
- Rough openings that were never square. Once the old ECO frame comes out, we regularly find studs that were shimmed with scrap and a header that never sat level. Setting a new window into that opening just repeats the problem. We rebuild the opening square before we set the new unit.
ECO Window Systems Service in Los Gatos: What Local Conditions Mean for Your Equipment
Los Gatos is two different construction realities, and the ECO units in each fail differently. Downtown and the Almond Grove historic district sit on mostly flat lots with 1950s to 1970s single-story ranches and Eichler-style homes. Exterior changes there, including a window replacement that alters visible profile, grid pattern, or frame color, can require design review before units are ordered. That means a homeowner who wants to keep the same look has to plan for review time, and we help by specifying units that match the original profile closely enough to clear the process without a fight.
Up in the 95033 hills above town, the calculation is different. A rebuild or remodel on a steep, tree-covered lot has to clear Santa Clara County fire-safe construction standards and a geotechnical report for landslide-prone slopes before we can even finalize rough openings. ECO units that were never specified for a wildland-urban interface exposure, with builder-grade sweep seals and weep channels, do not hold up against ember intrusion and wind-driven rain the way current standards expect. We have done this work on hillside rebuilds off the 95033 stretch above town and provide Lexington Hills ECO Window Systems service, so we know what the county plans reviewer will flag and what the opening needs to pass.
ECO Window Systems Models & Products We Service in Los Gatos
We service the ECO Window Systems vinyl single-hung and sliding window series, the horizontal slider and picture-window combinations, and the vinyl patio sliding doors and French-style glazed doors. The dual-pane Low-E IGU glazing packages, argon-filled, are the units we see most often in Los Gatos homes from the 1990s and 2000s. For faster turnaround across the Los Gatos service area, we keep common IGU sizes, balances, rollers, and upgraded sweep seals on hand so the most frequent repairs do not wait on a supplier. Where the frame is genuinely shot, we replace with new Low-E glazing and proper re-flashing, not a like-for-like copy of a design that already failed.
See the difference
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AfterECO Window Systems Service Pricing in Los Gatos
What drives cost on an ECO job in Los Gatos is usually the opening, not the glass. A straightforward IGU replacement on a frame that is still square and dry runs at the low end. A hillside wall that needs rough-opening rebuild, sill pans, re-flashing to stucco, and upgraded seals for WUI exposure runs higher, and that work has to be done right or the same leak returns next winter. A free estimate includes inspection of the full exterior exposure, not just the window unit.
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Replacement | $8,000 – $20,000 |
| Metal Roof Installation | $15,000 – $40,000 |
| Roof Repair | $400 – $1,800 |
| Tile Roof Repair | $600 – $2,500 |
Call (855) 473-5620 to schedule a free estimate and get a written line-item quote before any work starts.
Serving Los Gatos, CA — Our Local Coverage Area
We’re based in the Los Gatos area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ECO Window Systems Construction in Los Gatos
Our ECO dual-pane windows are fogging only on the west-facing side of the house – do we need all new windows? No. If the frames on the other elevations are still square and the IGUs are clear, you only need to replace the failed glass units on the west-facing side. The west elevation fails first here because it takes the strongest afternoon sun and reflected heat off hillside slopes and hardscape, which accelerates seal failure. We replace only the failed IGUs with OEM-spec glazing and leave the sound units alone. Call (855) 473-5620 and we will inspect each elevation before quoting anything.
Does replacing ECO windows in a Los Gatos hillside home trigger fire-safe construction requirements? It can. Remodels and rebuilds in the 95033 hills above town have to clear Santa Clara County fire-safe construction standards, and a window replacement that alters opening size may pull the project into review. What triggers it most often is changing the rough opening dimensions or the glazing specification. We know what the county plans reviewer flags because we have done this work on hillside rebuilds, and we specify units that meet the current standard so the opening passes the first time.
We’re in the Almond Grove historic district – will a window replacement need design review? Yes, if the replacement alters the visible profile, grid pattern, or frame color. The Almond Grove and downtown Los Gatos historic districts impose design review on exterior changes, and that review happens before units are ordered. We help by matching the original ECO profile and grid pattern closely enough that the review usually clears without a fight, but you should plan for review time in the schedule. Call (855) 473-5620 and we can tell you what the review will likely flag on your specific home.
Why do our ECO sliders leak at the bottom corner instead of through the glass? Because water is getting past the frame-to-stucco joint, not through the IGU. The original installs on many Los Gatos homes used caulk only, with no sill pan and no back-damming. After a few wet winters on deforested or re-graded hillside lots, water tracks behind the frame and shows up as staining on the interior drywall returns. The fix is pulling the unit, adding sill pans, re-flashing to the stucco, and reinstalling, not more caulk. Call (855) 473-5620 for an inspection of the full opening.
Can you match our existing ECO vinyl frames so the whole house still looks consistent? In most cases, yes. We source replacement units and glazing sized to the existing ECO frame profiles, including the single-hung, horizontal slider, and patio slider styles, so the new units read the same as the old ones from the street. Where the original frame is distorted or the rough opening is out of square, we tell you plainly and work with you on a replacement that keeps the visual profile consistent. Estimates are free at (855) 473-5620.
Service Areas Near Los Gatos
We serve Los Gatos and the surrounding Silicon Valley foothill communities. If you are in Fontana, Bloomington, Rialto, Sunnyslope, Glen Avon, or Muscoy, we can help with your ECO Window Systems needs, too. You can also read about our ECO Window Systems service in Alum Rock and ECO Window Systems service in East Foothills for coverage details in those areas.
Book Your ECO Window Systems Service in Los Gatos Today
If your ECO windows are fogging, dragging, or leaking in Los Gatos, call (855) 473-5620 to schedule a free estimate. We will inspect the full opening, explain what failed and why, and give you a written line-item quote. Rush service is available for seal failures and water intrusion where the damage is actively spreading.
Written by Ruben Castillo, Owner at San Bernardino Contractors, serving Los Gatos and surrounding areas.