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
PGT Window Replacement: The San Jose Owner’s Guide
If you’ve got a PGT window in San Jose that’s fogged, cracked, or simply not closing the way it used to, we can replace it. Most PGT window replacements in San Jose run between $450 and $1,200 per window installed, depending on the series, glass package, and whether the frame itself needs work. We carry PGT-compatible glass and hardware, and in many cases we can complete the swap the same week we measure.
Here’s how most San Jose homeowners find us: they notice condensation between the panes that won’t wipe away, or a window that takes two hands to open, or a draft that wasn’t there last winter. PGT windows are built well, but nothing lasts forever in California sun. The seals, the rollers, the balances – they’re all wear parts. The good news is that replacing the failed piece is almost always cheaper and faster than a full-frame tear-out.
Westlight Windows & Doors is an independent service provider, not affiliated with PGT. We stock and install PGT-compatible parts because we’ve seen enough of them in San Jose homes to know they’re worth fixing right.
Which PGT Models This Applies To
PGT makes several window lines that show up regularly in San Jose homes. The most common we see are the PGT 5500 Series and PGT 7700 Series vinyl windows, along with PGT WinGuard impact windows on homes built or renovated after about 2005. The 5500 Series is the value line, the 7700 is the mid-range with better glass packages, and WinGuard is the impact-rated product more common in coastal areas but present in San Jose too.
Here’s the compatibility gotcha: PGT changed glass thickness specifications between some 5500 Series production years. A sealed unit from a window built in 2012 may not seat properly in a frame from 2008, even if both are labeled 5500. We measure the glass pack thickness and the frame channel depth before ordering anything. That’s a two-minute check with a digital caliper, but it’s the difference between a clean install and a window that never quite seats right.
The other decision is OEM versus aftermarket. PGT glass is good, but aftermarket sealed units from our glass suppliers are typically 15 to 20 percent less expensive and carry the same energy performance ratings when matched correctly. Low-e glass (a thin coating that reflects heat back into the room in winter and out in summer) is standard on both. For the vinyl frame itself, we generally recommend staying with PGT factory parts on WinGuard windows where the impact certification matters. On 5500 and 7700 Series, quality aftermarket balances and rollers work fine.
Signs Your PGT Window Replacement Is Failing
- Fog or condensation inside the glass. This is the most common failure in San Jose, especially on west-facing windows that absorb full afternoon heat. The seal between glass panes has failed, allowing moisture in. The fix is a new sealed glass unit, not a new window frame.
- The window won’t stay up when opened. On double-hung windows, the balance system has worn out. PGT balances in San Jose homes typically last 12 to 15 years before the springs lose tension. Replacement balances are readily available for the 5500 and 7700 lines.
- Visible cracks or chips in the glass. Especially in San Jose’s older neighborhoods near Campbell and Willow Glen, landscaping gravel and mower throws are frequent culprits. A small chip can turn into a full crack with temperature swings, so we recommend replacing the glass panel before it spreads.
- Difficulty sliding or a grinding sound when operating. The rollers have worn flat or the track is caked with debris. On PGT sliders, rollers are a stock part for us and a 20-minute replacement. Ignoring it wears the track, which becomes a more expensive fix.
- Drafts around the frame or a window that rattles in wind. The weatherstripping has compressed or the sash has shifted out of square. We check the frame alignment first, because if the frame is still square, new weatherstripping solves it in under an hour.
Replacement Cost & What’s Included
Here’s the honest picture on PGT window replacement pricing in San Jose. A sealed glass unit replacement on a 5500 or 7700 Series window runs $450 to $700 installed. A full sash replacement is $600 to $900 depending on the glass package you choose. If the frame itself is damaged or you’re upgrading to impact-rated WinGuard glass, the range is $900 to $1,200 per window.
What drives the price: glass dimensions, whether you’re replacing just the glass or the entire sash, and whether your existing window uses standard or impact-rated glass. We give every San Jose customer a written price before any work begins, and that number is the number. No door-step surprises and no revised invoices. If our work doesn’t hold up during the guarantee period, we come back and fix it at no charge.
Every PGT window replacement we install in San Jose includes new weatherstripping, a check of the frame’s square, and a written guarantee on the finished work. The Kingswell Way applies to every job we take: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails.
DIY or Call Us?
Replacing a window glass unit is not a safe weekend project. The glass packs are heavy – an average PGT sealed unit weighs 30 to 45 pounds – and removing them requires working from both sides of the frame. If the window is on a second story, the risk of injury is real. We recommend leaving glass replacement, sash removal, and any work involving the window’s tension system to a trained professional who has the right equipment and carries insurance for the work.
What you can check safely before calling: look at the corners of the glass for a label etched into the surface showing the PGT series and production date. Note whether the window is single-hung, double-hung, or a slider. Measure the visible glass width and height to the nearest quarter inch. That information helps us tell you on the phone whether we stock the part and give you a realistic price range before we ever come out.
FAQs
In San Jose’s climate, most PGT windows last 20 to 30 years as complete units, but the internal parts – seals, balances, and rollers – wear out faster. West-facing windows in San Jose that get the full afternoon heat typically need new glass seals every 12 to 15 years. If you’re replacing a failed part at year 18 on a window that’s still square and sound, that’s usually money well spent, not a signal to start over.
It depends on what’s failed. Bad rollers, worn weatherstripping, and broken balances can be repaired without replacing the window. Fogged glass means the seal has failed, and that requires a new sealed glass unit. A cracked pane always requires replacement. The good news is that these are all replacement-part jobs, not whole-window jobs. Call (669) 333-7786 and describe what you’re seeing – we’ll tell you honestly whether it’s a repair or a replacement before you spend anything.
Installing a new sealed glass unit in an existing frame typically takes 45 to 90 minutes per window. A full sash replacement runs an hour to 90 minutes. The lead time for ordering glass is usually one week. If we’re replacing multiple windows, we’ll set a committed arrival window so you’re not waiting around all day, and we leave the workspace clean when we go.
Our trucks carry the PGT-compatible balances, rollers, weatherstripping, and hardware that get replaced most often in San Jose homes. Custom sealed glass units are cut to your frame’s exact dimensions and glass pack thickness, so those are ordered after we measure. The measurement visit is quick – usually under 30 minutes – and we’ll give you the written price before scheduling the install.
Owen Satterfield grew up in the San Fernando Valley and picked up the basics of residential construction working summers with his uncle before enrolling in the building trades program at Los Angeles Trade-Technical College. He has spent the better part of two decades installing and replacing windows and doors, and homeowners near Willow Glen know his crew for showing up on time and leaving the jobsite cleaner than they found it. A window should keep the weather out and stay out of your way – everything else is just details.
Call (669) 333-7786 for a free estimate on your PGT window replacement in San Jose. A real person answers, 24/7, and your written price is yours before any work starts.
Written by Owen Satterfield, Owner, Westlight Windows San Jose at Westlight Windows San Jose, serving San Jose and nearby areas.
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.