Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
ECO Window Systems Construction in Cupertino, CA | Framework Contractors
Framework Contractors provides independent ECO Window Systems installation, repair, and replacement across Cupertino, including ZIP codes 95014 and 95015. We’re not an authorized ECO dealer, and that’s deliberate: our crews have pulled enough warped vinyl sashes and fogged double-hungs out of Cupertino’s 1960s tract walls to know when a window deserves a repair and when it needs to go. What makes our work different here is simple: we plan every window job around Cupertino’s tree-protection ordinance first, because a protected coast live oak near the house changes everything about how we stage, scaffold, and sequence the work. Call us at (844) 681-3590 for a free estimate.
Why Cupertino Residents Choose Us for ECO Window Systems Service
We’ve installed and serviced ECO Window Systems glazing across Cupertino’s ranch-era homes and rebuilds long enough to know which series fit a 1962 tract wall and which don’t. Our crew works on ECO windows as an independent contractor, never as an authorized agent, so our advice on retrofit versus full replacement is ours alone. That matters when a sales rep tells you a retrofit insert will slide right in and we’re the ones who see the stucco cracking behind it three years later.
Our owner, Noel Carbajal, grew up patching stucco and reroofing porches with his uncle in Santa Ana before he was old enough to drive, then learned structural drawings and finish work at Santiago Canyon College. Three decades later, he still walks every Cupertino job site himself. We carry ECO-compatible sash hardware, balances, rollers, and weatherstripping on our trucks, so most single-unit repairs don’t wait on a parts order. And when OEM glazing is discontinued, we tell you that upfront and offer a quality aftermarket match instead of pretending otherwise.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Solve in Cupertino
- Warped vinyl sashes on west- and south-facing walls. Cupertino’s dry summers bake these elevations for months. ECO vinyl frames can drop out of square, which stops the sash from latching and lets winter rain past the sill. We see this constantly on post-WWII ranch homes with original ECO single-hungs facing the afternoon sun. True fix is usually replacement across the whole elevation, not one sash at a time.
- Fogged sealed units on older ECO insulating glass. This is the classic Cupertino ranch problem: original windows facing the Santa Cruz Mountain sun, seals failing after 15 or 20 years. We can often replace just the glass pack if the frame is still square and true, which saves you a full frame replacement.
- Retrofit insert leaks at the rough opening. When someone set ECO retrofit inserts into aging stucco without proper flashing, water tracks into the wall and shows up as drywall staining a foot below the window. We pull the insert, correct the flashing at the sill, and reset the unit. In Rancho Rinconada and around older flat neighborhoods, this is one of the most common calls we get after a wet winter.
- Sliding glass door drag and leaks at the meeting stile. Rollers flat-spot, tracks fill with Cupertino grit, and the door starts dragging and leaking. We replace rollers, clean and re-set the track, and address the weatherstripping before water and air make it worse.
- Sticky or broken balances on double-hungs. ECO double-hungs use spring balances that wear out, especially in windows opened daily during Cupertino’s long dry season. We replace balances in pairs so the window doesn’t drop hard or sit crooked.
ECO Window Systems Service in Cupertino: What Local Conditions Mean for Your Equipment
Cupertino’s tree-protection ordinance means window and glazing work on a lot with a protected coast live oak may need an arborist report and a tree-protection plan before staging and scaffolding can go up. That pushes window replacement schedules and sometimes forces tighter work zones against the house. We’ve worked entire rear elevations where the ladders had to sit in specific spots the arborist marked off, and where the material staging area got squeezed into a driveway strip because the root zone ran right up to the foundation. In Rancho Rinconada we replaced a run of fogged, seal-failed ECO vinyl double-hungs on a 1960s ranch whose rear wall sat inside a protected oak’s root zone, similar to ECO Window Systems repair in Loyola where tree protection shapes every job. The arborist’s plan dictated where we could stage material and set ladders. We pulled the failed inserts, corrected the stucco flashing at the sills, and set new ECO-compatible units with fresh weatherstripping; the homeowner’s winter sill leaks stopped.
That’s the Cupertino difference, and something we factor into ECO Window Systems service in Saratoga too. In Sunnyvale or Milpitas, a window replacement is mostly about the wall. Here, the tree often dictates the sequence. Any contractor who ignores that gets a stop-work order and an angry homeowner. We build the arborist step into every estimate from day one.
ECO Window Systems Models & Products We Service in Cupertino
We service the full ECO Window Systems replacement range, including vinyl single-hung and double-hung series, ECO sliding glass doors, aluminum-frame and fixed-picture windows, and retrofit insert windows sized for stucco and wood-siding openings. When you call us, we’ll tell you whether we’re installing OEM ECO glazing and hardware or a quality aftermarket match; we never blur the line. Our install crews handle window replacement as a primary trade, not a side job, and we’ve done impact-rated ECO window installation across Cupertino for homeowners who want a stronger envelope without changing the house’s look. If you’re also planning a kitchen or bath, we’re the same contractor who can handle the full remodel under one contract, working as our General Contractor in Cupertino.
See the difference
Before
After
Before
After
Before
AfterECO Window Systems Service Pricing in Cupertino
Window work is priced by scope, not guesswork. Here are the ranges we quote across Cupertino:
| Service | Cupertino Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Full Kitchen Remodeling | $14,000 – $45,000 |
What drives the number: how many units are failing, whether frames are warped across a whole elevation, whether an arborist report and tree-protection plan are required, and whether we’re repairing or replacing. Single failed unit? We repair. Multiple fogged or warped units on one side of the house? Replacement is the honest call. Every estimate is free and written as a line-item quote, not a round number. Call (844) 681-3590 to schedule yours.
Serving Cupertino, CA — Our Local Coverage Area
We’re based in the Cupertino area and know this community well, including ECO Window Systems repair in Los Altos nearby. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ECO Window Systems Construction in Cupertino
Yes. If a protected tree sits close enough to the work area, city rules can require an arborist report and a tree-protection plan before we stage material or set scaffolding. That can add a week or two to the front end of the job and changes where we can work. We handle the coordination and fold it into your estimate. Call (844) 681-3590 and we’ll tell you whether your lot triggers review.
It’s usually the window, specifically vinyl frame warping from Cupertino’s hot dry-season exposure on west- and south-facing walls. The sash twists out of square and the lock no longer lines up. It can also indicate a settling opening, which we check during the estimate. If the frame is warped, replacement beats forcing it shut. Call us for a free inspection.
Often yes, if the frame is still square and the sashes operate cleanly. We replace the glass pack or the sealed unit while keeping the existing frame. When seals have failed across multiple units or the frames are warped, a full replacement is the honest call. We’ll show you which applies before any money is spent.
Yes, we install and service ECO sliding glass doors. Dragging and leaking almost always come from flat-spotted rollers, grit-packed tracks, and worn weatherstripping at the meeting stile. We replace the rollers, clean and re-set the track, and refresh the seals. If the door has structural issues, we’ll tell you. Estimates are free at (844) 681-3590.
No. We’re an independent ECO Window Systems service provider. That independence means our repair-versus-replace advice isn’t tied to a manufacturer’s sales targets. We pair OEM ECO-compatible parts where available with quality aftermarket hardware when OEM is discontinued, and we always tell you which you’re getting.
Service Areas Near Cupertino
We serve Cupertino and the surrounding communities, including Sunnyvale, Milpitas, Santa Clara, and Los Altos. For ECO Window Systems service in ECO Window Systems sales & service, we’re your crew across the west valley. If you’re in ECO Window Systems service in Milpitas or ECO Window Systems service in Sunnyvale, we cover those areas too. See our full Cupertino service area page for details.
Book Your ECO Window Systems Service in Cupertino Today
If your ECO windows are fogged, warped, leaking, or just tired after 40 years of Cupertino sun, call (844) 681-3590. We’ll schedule your free estimate, walk the property with you, and tell you straight whether you need a repair or a replacement. Same-day service is often available for single-unit emergencies.
Written by Noel Carbajal, Owner at Framework Contractors, serving Cupertino since day one. Build it right the first time — the second time costs twice as much and nobody’s happy.