Windows & doors
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ES Windows Construction in Sunnyvale, CA | Moreno Valley Builders
We provide independent ES Windows construction service across Sunnyvale, from new-unit installation to full frame replacement. What makes our ES Windows work different here is that we’re not a dealer pushing product; we’re a general contractor in Sunnyvale who knows how these units behave in the area’s specific post-war housing stock and commercial-tempo permitting system. Call (877) 752-3154 to schedule a free estimate. If the details aren’t right on paper, they won’t be right in the wall.
Why Sunnyvale Residents Choose Us for ES Windows Service
We’ve spent years pulling and re-setting ES Windows units across the Peninsula and South Bay, from 1960s aluminum sliders to modern vinyl single-hungs. That means we know the brand’s frame profiles, sash hardware, and the specific ways its products age in Bay Area weather. We’re an independent contractor, not affiliated with or authorized by ES Windows, so our only job is getting your openings watertight and operating smoothly.
Noel Trevino grew up in the Sunnymead Ranch area of Moreno Valley and has spent the better part of three decades building and renovating homes across California. He picked up the fundamentals at Riverside City College, where hands-on coursework in framing, concrete, and mechanical systems gave him a foundation that held up better than a lot of what he later had to tear out and redo. Our ES Windows sales & service work applies that same material-level scrutiny. That’s why Sunnyvale homeowners call us when their units fail in ways a warranty won’t cover.
Styles & brands we work with
Common ES Windows Construction Problems We Solve in Sunnyvale
- Fogged insulated-glass seals on 1980s – 90s vinyl tract units. This is a batch failure that hits whole Sunnyvale streets at once, especially in the original cherry-orchard subdivisions where the same builder installed the same units on every fourth house. We replace the IG units with OEM or equal-or-better glass and re-glaze the sash, not just the pane.
- Original aluminum slider tracks packed with grit and worn nylon rollers. Sunnyvale’s dry summers kick up fine dust that works into the track channels on the old ES aluminum sliders still common in 1950s – 70s ranch homes. Sashes drag, jump the track, or won’t latch at all. We clean, replace rollers and keepers, and re-align the sash.
- Weathered glazing bead and dried-out perimeter sealant. Sunnyvale’s wet season runs November through March, and the first atmospheric-river storm exposes every gap. Water intrusion at the frame perimeter is usually failed sealant, not failed glass. We strip, re-seal, and re-bead before the rain finds the drywall.
- Out-of-square sashes from settlement or wall racking. Many of Sunnyvale’s older ranch slabs have moved over sixty years, and the window openings moved with them. We re-square openings, shim the frame properly, and set the new unit plumb and level instead of forcing it into a parallelogram.
- Perimeter water damage hidden behind frames. On a 1950s cherry-orchard-era ranch house off a Sunnyvale tract street, our crew pulled original ES Windows aluminum sliders and found the stucco rough openings had never been flashed, with sill rot behind the frames. We replaced the rotted framing, re-detailed the sill pans and flashing, and set new ES vinyl single-hungs, then re-stuccoed the returns so the first wet-season rain tested clean instead of leaking at the perimeter.
ES Windows Service in Sunnyvale: What Local Conditions Mean for Your Equipment
Sunnyvale’s permitting and inspection tempo is set by a planning department geared around office/R&D and lab tenant-improvement volume, so even a residential ES Windows swap gets reviewed inside a workflow built for commercial TI. That’s a Sunnyvale-specific reality that looks nothing like neighboring Mountain View or Santa Clara. A window replacement that might sail through in a city with a residential-focused desk can sit for days in a review queue designed for lab build-outs and flex-space fit-outs. We schedule around that city review calendar, pull the permits ourselves, and make sure the ES Windows units we install meet Sunnyvale’s current energy and structural requirements before the inspector arrives. From permits to punch list, we manage the trades so you don’t have to.
ES Windows Models & Products We Service in Sunnyvale
We service the full range of ES Windows lines still common in Sunnyvale homes: the aluminum slider Series 2000 and similar builder-grade lines that went into 1950s – 70s California tracts, the vinyl single-hung and double-hung replacement units, vinyl sliding patio doors, and the fixed/picture and awning units used in later retrofits. On parts, we use OEM ES Windows sash, roller, and glazing-bead components where the series is still supported, and we match equal-or-better aftermarket hardware when it isn’t. Never a cheap generic that will fail in two seasons. If the frame and glass are sound, we repair. If the IG seal is gone across most units or the frames are distorted, honest replacement of the ES unit is the better spend.
See the difference
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AfterES Windows Service Pricing in Sunnyvale
What you’ll pay for ES Windows service in Sunnyvale depends mostly on scope: a single sash repair is one thing, a whole-house replacement is another. Here’s what we typically see:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair | $400 – $1,800 |
What drives cost: how many units, what series you have, whether the rough openings need re-flashing or re-squaring, and what the Sunnyvale permit timeline does to your schedule. Our estimate is free and line-itemed, so you’ll see exactly where the money goes. Call (877) 752-3154 for an exact quote.
Serving Sunnyvale, CA — Our Local Coverage Area
We’re based in the Sunnyvale area and offer home remodeling in Sunnyvale, so we know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ES Windows Construction in Sunnyvale
Most of it traces to a batch of 1980s – 90s vinyl tract units with insulated glass that loses its seal after two to three decades of Bay Area temperature swings. When the desiccant inside the spacer saturates, the unit fogs permanently and there’s no field repair for that. We replace the glass or the sash. Call (877) 752-3154 and we’ll tell you what you’re actually looking at.
Yes, and Sunnyvale’s permit desk moves at a commercial-TI pace, which catches homeowners off guard. We pull the permit ourselves, schedule the inspection, and build the review time into the job schedule so the project doesn’t stall mid-openings.
Depends on what’s actually wrong. If the frames are square, the glass is clean, and the tracks are just loaded with grit and worn rollers, repair is the right call. If the frames are racked, the glass is fogged, or the units were never flashed, replacement is the better spend. We’ll show you both options with real numbers and let you decide. Your project, your material choices.
Often yes, but the leak isn’t always the window. On a lot of Sunnyvale’s older ranch stock, the real problem is missing flashing at the rough opening, failed perimeter sealant, or rotted sills. Replacing the unit without fixing the flashing just moves the leak to a new frame. We inspect the opening itself before quoting a replacement. Call (877) 752-3154 to set that up.
We’re an independent contractor, not an ES Windows authorized dealer or manufacturer-affiliated service provider. Your ES Windows product warranty is between you and the manufacturer. What we back is our installation workmanship. We use OEM parts where available, so the repair stays within the brand’s ecosystem even if the installer isn’t.
Service Areas Near Sunnyvale
We serve Sunnyvale and the surrounding South Bay cities, bringing the same ES Windows construction expertise to our broader Sunnyvale service area. For homeowners nearby, we also offer ES Windows service in Loyola and ES Windows service in Mountain View.
Book Your ES Windows Service in Sunnyvale Today
Ready to get your ES Windows units right? Call Moreno Valley Builders at (877) 752-3154 for a free, line-itemed estimate. One contractor. Every phase. We manage the trades so you don’t have to.
Written by Noel Trevino, Owner & General Contractor at Moreno Valley Builders, serving Sunnyvale with independent ES Windows construction service.