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 Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
CGI Windows & Doors in San Jose, CA | Westlight Windows San Jose
When a CGI window or door stops working right in San Jose, we fix it. We’re Westlight Windows San Jose, an independent CGI service provider serving the city since 2009. The part that makes our work different here: we know how CGI’s frames, seals, and hardware behave in San Jose’s specific mix of intense summer sun, damp winter fog, and mid-century housing stock. Call (669) 333-7786 for a straight answer and a free estimate.
Our crew works on CGI windows and doors daily, including the ThermaFit and Elegance series, with regional training on the seal, sash, and weatherstripping failures we see most in San Jose’s older homes. If your CGI unit isn’t operating the way it should, we’ll tell you honestly whether it’s a repair or if San Jose Window Replacement is the better option. And we’ll put that price in writing before any work begins.
Why San Jose Residents Choose Us for CGI Service
Most window companies in San Jose will say they can “do” CGI. What that usually means is they swap a part and hope for the best. We take a different approach. Our team knows CGI’s product lines well enough to recognize a ThermaFit slider from across the room, and we understand how those specific frames respond to San Jose’s relentless afternoon sun. We use OEM seals, balances, and hardware where available. For aged or discontinued CGI series, we source high-quality aftermarket equivalents that match the original profile, so the repair holds instead of failing six months later.
Owen Satterfield, our owner, settled into windows and doors because the work is measurable. A frame either fits square or it doesn’t. A customer either feels the draft or they don’t. That’s the standard we bring to every CGI job in San Jose, and it’s why our crew pulls permits when they’re needed, shows up in the arrival window we gave, and leaves the job site cleaner than we found it.
Common CGI Windows & Doors Problems We Solve in San Jose
Here’s what we actually see when we walk into San Jose homes with CGI products:
- Warped or chipped vinyl sashes on ThermaFit sliders. South-facing ranch homes in neighborhoods like Willow Glen soak up summer heat all afternoon. That chronic thermal load warps vinyl over time, which throws off lock alignment and lets air leak through. We rebuild the sash or replace it, depending on how far the damage has gone.
- Foggy glass on large picture windows. San Jose’s winter inversions trap cool, damp air close to the ground. When a CGI insulated glass seal has failed, that moisture shows up as interior fog. We replace the glass unit with dual-pane low-E, which also cuts your cooling load.
- Stiff or corroded aluminum hardware on Elegance casements. Cool damp air from the Bay works its way into aluminum hardware over the years, especially on casement windows that get opened only a few times a season. We replace hinges, operators, and locking points with parts that match the original.
- Weeping sill channels clogged with dust and pollen. San Jose’s dry season kicks up a lot of fine dust, and it settles right into horizontal roller drain slots. When those clog, water backs up and intrudes on stucco-clad walls. We clear the channels and, where the design allows, improve drainage.
- Sentinel series hardware fatigue from heavy daily use. On homes where a Sentinel sliding door is the main entry to a patio or backyard, the rollers and tracks wear out faster than the rest of the frame. We replace them before the door starts scraping or sticking.
CGI Service in San Jose: What Local Conditions Mean for Your Equipment
Here’s something that doesn’t show up on a generic CGI spec sheet: San Jose has designated Eichler historic districts, and if you live in one, swapping original single-pane glass walls triggers preservation review. The original floor-to-ceiling glass and clerestory windows are iconic, but they’re also drafty and thermally inefficient. Our CGI replacements in those districts are frequently custom-engineered to match mid-century sightlines while meeting modern energy codes. That means custom framing details, careful glass selection, and permits pulled the right way. A standard window company will tell you to replace a wall of glass with whatever fits. We know that in these San Jose neighborhoods, the answer has to work with the architecture, not against it.
Outside the historic districts, the pattern we see most in San Jose’s single-family homes from the 1950s through 1970s is the same: original single-pane aluminum windows and sliding patio doors that have reached the end of their useful life. The sun has baked the seals, the frames conduct heat, and the hardware is loose. When we service CGI aluminum products on these homes, the first question we ask is whether the frame is still worth keeping. In a lot of cases, the answer is yes, with new glazing and hardware. In others, our Window Installation in San Jose makes more sense.
CGI Models & Products We Service in San Jose
We work on the full CGI line you’re likely to find in San Jose homes:
- ThermaFit Series – sliders and horizontal rollers, including sash rebuilds and seal replacement.
- Elegance Series – casement and picture windows, with a focus on hardware restoration and glass replacement.
- Sentinel Series – impact-rated windows and doors, including roller, track, and locking point repairs.
- Targa Series – high-performance aluminum frames, typically for full frame replacement jobs.
Our approach to parts is straightforward. Where OEM seals, balances, and hardware are still available, we use them. Where a series has been discontinued or a part is on a long lead time, we source aftermarket components that match the original profile. We stock the most common CGI repair parts locally for faster San Jose turnaround, and we’ll tell you up front if we need to order something specific.
CGI Service Pricing in San Jose
Here’s a practical sense of what CGI service costs in San Jose, based on the repair scope:
| Service | Typical Range |
|---|---|
| Single sash rebuild on a ThermaFit slider | $180 – $340 |
| Insulated glass unit replacement (picture window) | $300 – $600 per unit |
| Hardware replacement on an Elegance casement | $150 – $275 per window |
| Weeping sill channel cleaning and drainage fix | $120 – $220 |
| Full frame replacement (per opening) | $900 – $1,800+ depending on size and glass |
Every estimate includes a written, line-item price before any work starts. No door-step revisions, no “while we’re in there” surprises. Call (669) 333-7786 and we’ll schedule a time to look at your CGI windows or doors in San Jose and give you an exact number.
Serving San Jose, CA - Our Local Coverage Area
We’re based in the San Jose 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 – CGI Windows & Doors in San Jose
Yes, in most cases a ThermaFit slider can be rebuilt with replacement vinyl sashes, new glazing, and updated hardware while keeping the original frame profile intact. This is a common request in San Jose’s mid-century homes, where owners want the original look without the drafts. Call (669) 333-7786 and we’ll tell you if your specific unit is a candidate.
The seal on the insulated glass unit has failed, letting moisture inside the space between the panes. San Jose’s cool, damp winter conditions make that fog much more visible. The fix is replacing the glass unit, not the whole window. We can quote that replacement specifically.
Yes, and we’ve installed them in several of those homes. The key is custom sizing and sightline matching, which is why this work usually requires careful measuring and permits in San Jose’s preservation districts. We handle both.
If the frames are square, the glass is clear, and the only complaint is stiffness or a worn operator, new hardware will fix it. If the frame is warped, the seals are failing in multiple panes, or water has been getting in for a while, replacement is usually the better call. We’ll show you what we’re seeing and give you both prices before you decide.
Usually, yes. We can often install new impact-rated glass and updated sashes into the existing frame, leaving your interior trim and drywall untouched. There are limits depending on how the original unit was built, but it’s worth a look. Call (669) 333-7786 and we’ll tell you what’s possible at your San Jose home.
Service Areas Near San Jose
We serve San Jose and the surrounding communities, including Fremont, Mountain View, Sunnyvale, Cupertino, and Woodside. If you’re in one of those cities and need CGI service, our San Jose crew can help. See our CGI service in Fremont and CGI service in Mountain View pages for local details, or check our San Jose service area page for the full coverage list.
Book Your CGI Service in San Jose Today
If your CGI windows or doors need attention, call (669) 333-7786. We answer the phone with a real person, we’ll schedule a time that works for you, and every estimate includes a written price before any work starts. CGI sales & service in San Jose, done the Kingswell Way.
Written by Owen Satterfield, Owner at Westlight Windows San Jose, serving San Jose since 2009.
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.