New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors 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
Therma-Tru Window Installation: The San Jose Owner’s Guide
Therma-Tru window installation in San Jose typically runs $340 – $780 per window installed, depending on size, frame condition, and whether the existing rough opening needs correction. We stock the common Therma-Tru installation hardware on our trucks and can usually match OEM trim, fasteners, and sealant requirements on the first visit. Most San Jose homeowners discover they need this service after noticing a draft, a window that no longer closes square, or sealant pulling away from the frame. Or they call us because a previous install left a gap that the warranty didn’t cover.
We are an independent installer, not affiliated with Therma-Tru. But we work with their products weekly, and we know where their installation specs get ignored in the field. That’s the gap between a 15-year window and a 6-year complaint.
Which Therma-Tru Models This Applies To
Therma-Tru’s window line is built around their fiberglass-composite frames, and installation details vary more by frame material than by series name. The key split is between their standard wall-thickness frames and the thicker frames used on their better-insulated models. Before quoting a replacement, we confirm the frame depth (usually 4 9/16 inches in older San Jose homes, sometimes 6 9/16 inches in newer construction) and the sill angle. Getting either one wrong means the interior trim won’t sit flush and the exterior flashing won’t cover the bottom flange.
On the OEM-versus-aftermarket question: for Therma-Tru, we use OEM or spec-matched parts nearly every time. The frame profiles are not universal. A generic aftermarket corner gasket or weather seal will look close and fail inside two seasons. If you can read the label on the edge of the sash, that’s enough for us to confirm compatibility before we schedule.
Signs Your Therma-Tru Window Installation Is Failing
- Draft you can feel at the frame, not the sash. If air moves around the outside of the frame, the original shimming or foam seal has broken down. The window itself is often fine; the install isn’t.
- The window won’t close square anymore. Over time, a poorly shimmed frame can rack slightly. You’ll see a gap at one corner of the sash and daylight at the other.
- Water staining on interior drywall below the sill. That points to failed exterior flashing or sealant, not the glass. In San Jose’s wet winters, this shows up fast when the install allowed water to track behind the weather barrier.
- Sealant pulling away from the frame or stucco. Silicone and polyurethane both degrade under San Jose sun. If it’s pulling loose, it’s letting water in and heat out.
- Condensation between the panes on foggy mornings. That’s a seal failure in the insulated glass unit, common after 12 – 18 years of thermal cycling. It won’t dry out on its own.
Replacement Cost & What’s Included
| Scope | San Jose Installed Price |
|---|---|
| Single window, standard 4 9/16″ frame, no structural correction | $340 – $480 per window |
| Single window, 6 9/16″ frame or cased opening | $510 – $780 per window |
| Full sash replacement including new insulated glass unit | $420 – $640 per unit |
| Multiple windows, labor shared | Ask for project pricing |
Every quote we write includes the Therma-Tru-specific hardware, new sealant matched to your exterior, foam insulation at the gap, interior trim re-set, and haul-away of the old window. The price is written down before any work starts, and it does not move at the door. Every installation carries our 365-Day Done Right Promise in writing: if it fails within that year, we return at no charge.
DIY or Call Us?
You can inspect the sealant around the frame and look for daylight at the sash corners. That tells us what we’re walking into, and it saves you nothing to ignore. But once the old window comes out, you have an open hole in your wall and a decision you can’t unmake about flashing, shim spacing, and weather barrier laps. We’ve re-done plenty of homeowner installs in San Jose where the finish looked fine for one season and then leaked the next. Window replacement is not high-tension or electrical, but it is structural and water-bearing. If the flashing is wrong, the damage is inside the wall before you see it. Call (669) 201-3739 for a free estimate. We’ll show up with a written price and a tape measure.
FAQs
A correctly installed Therma-Tru window in San Jose should perform well for 15 to 20 years before the insulated glass seal begins to fail. The frame material can last longer than that. The install components – sealant, flashing, weather barrier laps – are what fail first. We see that at the 8 to 12 year mark when the original installer skipped a step. Call (669) 201-3739 for an inspection and an honest age assessment.
Often yes. If the frame is square and the glass is intact, we can remove the window, correct the shimming and flashing, re-set it, and re-seal it. That typically runs less than a full replacement. If the frame has racked or rotted at the sill, replacement is the better call. We’ll tell you which one applies to your window after we measure it.
Most single-window replacements are done in 3 to 5 hours, including trim re-set and cleanup. A full wall of windows takes a full day. We schedule the work and keep you informed if access is tight or the rough opening needs correction. The price you see before we start is the price you sign off on.
We stock the standard Therma-Tru frame-compatible shims, sealants, foams, and fasteners on our trucks. Specialty items like cased-opening trim or custom sill angles may take a day or two to source from our supplier network. We also carry installation products for PGT, CGI, and CWS window lines, so we can match most home styles in the South Bay with the right hardware. Call (669) 201-3739 to confirm what we have on hand for your model.
Written by Elliot Vance, Owner & Lead Installer, Meridian Windows and Doors San Jose, serving San Jose and nearby areas. Measure twice, install once – the warranty covers the window, not the gap around it.
Six Reasons Homeowners Choose Meridian Windows and Doors 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.