New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows San Jose pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
ECO Window Systems Windows & Doors in Mountain View, CA | Westlight Windows San Jose
We provide independent ECO Window Systems service across Mountain View, from repair work on original EcoGlide sliders to full-frame replacements on Eichler homes. The one thing that makes our ECO Window Systems work different here is that we know these mid-century houses, how their glass behaves in the marine layer, and what it actually costs to fix a failed seal or a seized roller without gutting the original architecture. Call (669) 333-7786 for a written estimate before any work begins.
Westlight Windows San Jose has spent years retrofitting and servicing ECO Window Systems products in Silicon Valley’s mid-century housing stock. We carry OEM hardware for critical moving parts and know which aftermarket seals actually hold up in Mountain View’s fog. Owen Satterfield, our owner, came up through the building trades at Los Angeles Trade-Technical College and has spent close to two decades installing and replacing windows and doors across the South Bay. He runs our Mountain View jobs the same way he runs every job: square frames, honest prices, and a written guarantee at the end.
Why Mountain View Residents Choose Us for ECO Window Systems Service
The short answer: we show up when we say we will, and we put the price in writing before a single screw turns. That matters more than most people realize until they’ve been burned once. Mountain View homeowners call us because we know the ECO Window Systems product line deeply, we stock OEM-compatible parts locally for fast turnaround, and our technicians are background-checked and uniformed, so you know exactly who is walking through your door.
We are an independent ECO Window Systems service provider, not a manufacturer-affiliated or authorized dealer. That independence means we give straight repair-vs-replace advice based on frame condition and seal life, not on a sales quota. If a repair fails within the guarantee period, we come back and fix it at no charge. That is our 365-Day Done Right Promise, and it applies to every ECO Window Systems job we do in Mountain View.
Common ECO Window Systems Windows & Doors Problems We Solve in Mountain View
Here is what we actually see in Mountain View, week after week:
- Corroded roller assemblies on EcoGlide sliding patio doors. Decades of fog-driven moisture work their way into the roller tracks, especially in the Monta Loma and Rex Manor tracts where original 1960s doors are still in service. The rollers seize, the door drags, and eventually the panel has to be lifted out to get anywhere. We carry OEM EcoGlide roller sets for exactly this job.
- Failed seals causing condensation between panes on EcoView double-glazed units. Mountain View’s cool foggy nights mean single-pane and early double-pane glass sweats hard. When the seal fails, fog gets inside the glazing unit itself. You cannot wipe it away. The fix is a new insulated glazing unit, and we match the frame dimensions precisely so the original aluminum frame stays in place.
- Warped vinyl sashes on EcoTilt windows. The marine layer keeps evenings damp and cool, and occasional heat spikes in late summer put stress on vinyl frames that were never rated for that combination. Warped sashes bind when you try to open them, or they stop sealing against the weatherstripping. Sometimes the sash can be realigned; other times replacement is the honest answer.
- Binding or stripped operator mechanisms on casement-style EcoView windows. Subtle post-and-beam settling in Eichler homes shifts the frame geometry just enough that window operators bind and strip over time. We see this enough in Mountain View that we keep rebuild kits and replacement operators on hand.
- Drafty sliding impact windows with worn weatherstripping. Horizontal roller and sliding impact windows lose their seal over years of handling and exposure. Cold evening air sneaks past dead weatherstripping, and the living room never quite warms up. New weatherstripping is a fast, affordable fix we do on a routine basis.
ECO Window Systems Service in Mountain View: What Local Conditions Mean for Your Equipment
Mountain View’s Eichler homes, and there are a lot of them, often have floor-to-ceiling glass mullion frames with non-standard openings. Retrofitting ECO Window Systems products into these homes requires custom sill adaptation and precise head flashing, because many of the original frames carry structural loads. You cannot simply swap an off-the-shelf unit into an Eichler opening and call it done. The post-and-beam construction means the window frame itself is doing structural work, and the glass runs wall to wall. When fog pours over the Santa Cruz Mountains and settles into the flats, that glass sweats hard, and any gap in the flashing becomes a slow water intrusion problem nobody notices until the sill rots. Our crew has done enough of these retrofits to know where to look and what has to be done before the new unit goes in. This is not standard Mountain View Window Replacement; it is methodical, measured work in houses where the framing is the architecture.
Our tech just finished a job on Hans Avenue in the Monta Loma tract, where a 1960s ranch had two original EcoGlide sliding patio doors with seized rollers and heavily pitted tracks. We pulled the panels, replaced the rollers with OEM EcoGlide sets, rebuilt the track alignment, and installed new EcoView fixed panels on either side. The homeowners can now open the doors one-handed, and the cold draft that used to pour in from the fog is gone. That is the kind of fix we do regularly in Mountain View: keep the original frame, make it work right, and stop the weather from coming through.
ECO Window Systems Models & Products We Service in Mountain View
We service the three primary ECO Window Systems product families: the EcoView Series (fixed and casement windows, double-glazed), the EcoTilt Series (vinyl tilt-in sashes for easy cleaning), and the EcoGlide Sliding Patio Door. We keep OEM hardware like rollers, locks, and balances in stock for fast Mountain View turnaround, and we use high-quality aftermarket thermal seals and weatherstripping where OEM has been discontinued. Our repair-vs-replace conversations always start with the same question: what condition is the frame actually in? If the frame is solid, we fix the moving parts and reseal the unit. If the frame is compromised, we tell you straight and quote a full-frame Mountain View Window Installation.
For Mountain View homeowners considering a full-frame replacement, we offer ECO Window Systems sales & service with written line-item pricing and the Kingswell Guarantee on every job. Explore the full Mountain View service area to see where we work.
ECO Window Systems Service Pricing in Mountain View
What does it cost? Here is what we can tell you without seeing the unit:
- Roller replacement on an EcoGlide sliding patio door: typically $280 – $520 installed, depending on whether the tracks need rebuilding.
- Insulated glazing unit replacement for an EcoView fixed window with failed seal: typically $350 – $700 per unit, depending on size and glass package.
- Weatherstripping and seal replacement on a sliding window: typically $120 – $260 per opening.
- Full-frame ECO Window Systems replacement: varies widely by opening size, glass spec, and whether we are working around existing Eichler mullions. Expect most single-window replacements to run $900 – $1,800 installed.
Every estimate is free and written. You will know the price before we start, and that price will not change at the door. The Kingswell Guarantee covers every job, including a free second visit if the repair fails. Call (669) 333-7786 to schedule.
Serving Mountain View, CA - Our Local Coverage Area
We’re based in the Mountain View 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 Windows & Doors in Mountain View
Yes, we can usually replace the rollers and save the original door. We carry OEM EcoGlide roller sets specifically for the 1960s tracks still common in Mountain View’s Monta Loma and Rex Manor tracts. If the track itself is too pitted, we rebuild the alignment rather than forcing you into a new door. Call (669) 333-7786 and we can tell you over the phone whether your door is a good repair candidate.
The seal on the insulated glazing unit has failed, which lets moist air inside the glazing cavity. Mountain View’s foggy evenings make this failure common on older EcoView units. The original ECO Window Systems warranty may have lapsed on older windows, but as an independent service provider we can’t speak to manufacturer warranty terms. We can reseal or replace the glazing unit regardless. Call (669) 333-7786 for a written quote.
Yes, in most cases the glass unit can be replaced within the existing mullion frame without pulling the surrounding structure apart. We remove the glazing bead, set the new unit into the existing opening, and reflash the head to keep water out. Mountain View’s Eichler homes often carry structural loads in those mullions, so we take care not to alter the load path. Call (669) 333-7786 and we will walk you through what your specific wall can support.
They can warp, yes. The combination of cool, damp evening air and occasional summer heat spikes puts stress on vinyl sashes in Mountain View. Mild warping can sometimes be corrected by adjusting the hinges and weatherstripping; severe warping means the sash has to be replaced. We will tell you straight which one you are looking at. Call (669) 333-7786 for an honest assessment.
Yes. Impact-rated glass can be fitted into the existing aluminum frames in many cases, and the sightlines stay nearly identical to the original single-pane look. We use impact glass packages that meet modern energy codes while preserving the thin-profile aesthetic of the EcoGlide and EcoView frames. It is a bigger job than a simple glazing unit swap, but it is done routinely in Mountain View. Call (669) 333-7786 and ask for a written quote on impact glass.
Service Areas Near Mountain View
We serve Mountain View and the surrounding Silicon Valley communities, including Sunnyvale, Cupertino, Woodside, San Jose, and Fremont. For homeowners south of Mountain View, see ECO Window Systems service in San Jose. For those on the East Bay side, see ECO Window Systems service in Fremont.
Book Your ECO Window Systems Service in Mountain View Today
Call (669) 333-7786 and a real person will answer, day or night. We will schedule your free estimate, show up in the window we gave you, and put the price in writing before we start. Let us make your Mountain View windows work the way they should.
Written by Owen Satterfield, Owner at Westlight Windows San Jose, serving Mountain View since 2009. A window should keep the weather out and stay out of your way, everything else is just details.
Six Reasons Homeowners Choose Westlight Windows San Jose
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.