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ECO Window Systems Construction in Mountain View, CA | Gold Star Contractors
We provide independent ECO Window Systems in Sunnyvale and Mountain View repair and replacement, and the thing that sets our work apart is simple: we check the permit history and framing before we order a single unit. Too many windows in this city were installed into walls that were never properly permitted or framed, and that changes how the job has to be done. Call (833) 382-8544 for a free estimate from a team that knows these units and this town.

Gold Star Contractors has spent years pulling ECO Window Systems units out of Mountain View’s older bungalows and mid-century ranches. We know how these frames, seals, and sashes actually age in this microclimate, and we specify the repair or replacement honestly. No dealer’s incentive to upsell a whole house of glass. Just what the window actually needs. For broader ECO Window Systems sales & service, we carry that expertise across every job we take.
Why Mountain View Residents Choose Us for ECO Window Systems Service
Most window companies that claim to service ECO units in Mountain View have never actually disassembled one. We have. Noel Carranza grew up watching older tract homes get renovated block by block in Anaheim, then spent his twenties doing concrete, framing, and finish carpentry before building his own operation. That background matters when you’re dealing with a window that’s been sitting in a wall since the Clinton administration.
We’re also local in the way that counts. We know that a 1940s bungalow near downtown has different framing realities than a 1960s ranch over by the old orchards. We pull permit records. We check headers. We open walls when the situation calls for it. And we stock OEM-spec sashes, balances, and weatherseal so we’re not waiting on a distributor in Hayward while your window sits fogged for three weeks. Independent service, not manufacturer-affiliated, but we use factory-matched parts wherever the frame is sound.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Solve in Mountain View
- Failed insulated glass seals (fogging and silica haze between panes): We see this clustering on west and south elevations that take Mountain View’s long dry-season sun. The IGU seal breaks down, moisture gets in, and you’re looking through a permanent haze. We replace the glass pack, not the whole frame, when the frame is still square.
- Vinyl frame warping and weatherstripping compression on older sliders: The fine dust that blows through on summer air-quality days gets past compressed seals, and the sashes start to rack. This is common on 1990s-2000s ECO sliders that have baked in direct afternoon sun for twenty-plus years.
- Sill-pan and flashing failures at the rough opening: When an original single-pane opening was adapted for a retrofit insert without rebuilding the drainage detail, water intrusion shows up after the first atmospheric-river storm. We find this on mid-century ranch tracts throughout the Mountain View service area.
- Racked frames and out-of-square sashes on pier-and-post bungalows: The 1920s-1940s homes near downtown have framing that has moved since the replacement went in. The window may have been square on install day, but the house has shifted, and now the sash binds.
- Retrofit inserts in unpermitted bump-outs: This is the big one in Mountain View. A window added on a never-permitted addition has no code-compliant framing to fasten into until it’s corrected. We flag this before ordering glass, because installing into bad framing means you’ll be back in two years doing it again.
ECO Window Systems Service in Mountain View: What Local Conditions Mean for Your Equipment
Here’s what generic window pages never tell you about Mountain View. The older downtown blocks and the 1950s ranch tracts routinely hide unpermitted past additions, and the city’s permit-history and pre-construction inspection culture means we pull records and open walls before ordering ECO units. A window that was added on a never-permitted bump-out has no code-compliant framing to fasten into until it’s corrected. We’ve walked into homes near Castro Street and the surrounding old neighborhoods where the window itself was fine, but the wall it sat in had been flashed over an addition with no header. You can’t fix that with a new sash. You fix the framing, re-flash the opening, then set the glass. That sequence, and the permit history check behind it, is standard practice for us here. If you’re in a 94040 or 94041 home built before 1960, assume we’re checking records before we order anything.
ECO Window Systems Models & Products We Service in Mountain View
We service the ECO Window Systems units that actually exist in Mountain View’s housing stock. That means dual-pane vinyl sliders and single-hung replacement units from the 1990s-2000s track-home era, retrofit insert windows (pocket replacements) sized for original wood-frame openings, picture and fixed-panel units with divided-lite grille patterns used on ranch and bungalow elevations, and sliding glass patio doors on mid-century ranch tracts. Our parts approach is repair-first: OEM-spec sashes, IGUs, balances, and weatherseal matched to the existing ECO frame wherever the frame is sound. Full-unit replacement is reserved for frames that are warped, rotted, or out of square. We also handle full window replacement, impact window installation, and yes, Mountain View Home Remodeling when the window work is part of a larger plan.
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AfterECO Window Systems Service Pricing in Mountain View
Here are the line-item ranges we quote in Mountain View. Your exact price depends on the number of units, the condition of the existing framing, and whether we’re doing a glass-pack swap or a full-unit pull.
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
What drives the cost: how many units, whether the openings need reframing or re-flashing, and whether the existing ECO frames can be saved with OEM-spec parts. A free estimate includes opening inspection, a check of the rough framing where accessible, and a written line-item quote. No change orders because we found something we should have caught at the walkthrough. Call (833) 382-8544 to schedule yours.

Serving Mountain View, CA — Our Local Coverage Area
We’re based in the Mountain View area and know this community well, and we’re proud to be our General Contractor in Mountain View. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ECO Window Systems Construction in Mountain View
We replace just the failed glass whenever the frame is sound. That’s the repair-first stance we’ve held for years. If the ECO frame is warped, rotted, or out of square, we’ll tell you straight and quote a full-unit replacement. Call (833) 382-8544 for an exact assessment, free.
No. Gold Star Contractors is an independent ECO Window Systems service provider. That means we’re not incentivized to upsell you a whole house of glass when a glass-pack replacement fixes the problem. We use OEM-spec parts matched to your existing frame, but we’re not manufacturer-affiliated.
Most glass-pack replacements and single-sash swaps are done in a day once parts are on hand. Full-unit replacements with reframing or re-flashing run longer, depending on the condition of the rough opening. We’ll give you a schedule before we start, and we stick to it. Call (833) 382-8544 for a timeline on your specific job.
We cover the dual-pane vinyl sliders and single-hungs from the 1990s-2000s era, retrofit pocket inserts sized for original wood-frame openings, picture and fixed-panel units with divided-lite grilles, and sliding glass patio doors. If it’s an ECO unit in a Mountain View home, we’ve likely worked on one like it.
Window replacement runs $4,500 to $15,000, and impact-rated installation runs $8,000 to $25,000, depending on unit count and framing condition. A glass-pack swap on a single failed ECO IGU is substantially less. Call (833) 382-8544 for a free line-item quote, no obligation.
Service Areas Near Mountain View
We serve Mountain View and the surrounding cities, including ECO Window Systems service in Los Altos, ECO Window Systems service in Los Altos Hills, Sunnyvale, and Palo Alto. If you’re nearby and dealing with failed ECO glass or a racked slider, we’ll come out and take a look.
Book Your ECO Window Systems Service in Mountain View Today
If your ECO windows are fogged, binding, or leaking, don’t wait for the next storm. Call (833) 382-8544 to schedule a free estimate. We’ll inspect the units, check the permit history if your home warrants it, and give you a straight answer on repair versus replacement. One call, done right, that’s the only way we know how to run a job.
Written by Noel Carranza, Owner at Gold Star Contractors, serving Mountain View and the surrounding area.