New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows San Antonio 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 Windows & Doors in Windcrest, TX | Juniper Windows San Antonio
We provide independent Therma-Tru service across Windcrest, from single door adjustments to full entry system retrofits. What makes our work different here is simple: we understand how 1960s ranch home openings, Texas afternoon sun, and hail season combine to stress Therma-Tru fiberglass and steel systems in ways a generic service call misses. Call (903) 488-7019 and we’ll put eyes on your door, give you a written price before any work starts, and back it with the 365-Day Done Right Promise.
Why Windcrest Residents Choose Us for Therma-Tru Service
Sean Mackey, our owner, cut his teeth on residential and light commercial window and door installations in Southern California before spending well over a decade serving San Antonio homeowners. He built Juniper Windows & Doors on straight talk about U-factors, flashing details, and realistic timelines. No mystery pricing, no bait-and-switch. When a Windcrest homeowner calls about a Therma-Tru Classic-Craft that binds at the strike plate in July, we know exactly what we’re walking into before we ring the bell.
We work on Therma-Tru systems daily. The Classic-Craft, Fiber-Classic, Slim-Line, and Smooth-Star lines all show up in our service queue, and each has its own failure patterns in this climate. Because we’re independent (not a Therma-Tru authorized dealer), we’re free to recommend the most durable fix for Windcrest conditions rather than the one a factory program tells us to sell. Sometimes that’s an OEM-grade weatherstrip. Sometimes it’s an aftermarket reinforced hinge that will outlast the original. We’ll tell you which, and why, and what it costs before we touch a screw.
Every Juniper tech is background-checked and uniformed. We answer our phone live, 24/7. And every job gets a written price before work starts, backed by the 365-Day Done Right Promise: if it’s not done right, we make it right for a full year, parts and labor, in writing.
Common Therma-Tru Windows & Doors Problems We Solve in Windcrest
- Warped fiberglass door slabs on western exposures. Windcrest’s relentless afternoon sun hits west-facing entries hard. We regularly see Therma-Tru slabs that have bowed just enough to bind at the strike plate or drag across the threshold. This is repairable in many cases with hinge resets and proper support, but we’ll tell you plainly if a replacement slab makes more sense.
- Failed double-pane glass in door lites and sidelights. High humidity accelerates seal breakdown in older Therma-Tru glass packs. Once the seal fails, you get fogging and lost insulation. We replace just the glass when the frame is solid, using factory-glass lites where available.
- Sagging hinges on heavier Classic-Craft doors. The Classic-Craft is a solid, weighty door. If the original install used undersized screws, hinges loosen over time. We reset them with longer screws into the actual studs, not just the jamb.
- Deteriorated weatherstripping and sweeps. Windcrest’s thunderstorms bring horizontal rain that finds every gap. Worn sweeps and weatherstripping on Therma-Tru entries let water into the threshold. We upgrade to heavy-duty sweeps rated for this kind of exposure.
- Out-of-square brick openings from 1960s construction. Original brick veneer settles over decades. A Therma-Tru door installed in an out-of-square opening will never seat right until the frame is properly shimmed and flashed. This is a Windcrest-specific issue we see on a regular basis.
Therma-Tru Service in Windcrest: What Local Conditions Mean for Your Equipment
Drive through Windcrest’s older sections and you’ll spot the original crank-out casement windows on homes built in the 1960s and 70s. Those windows have proprietary hardware that hasn’t been manufactured in decades. You can’t just swap a sash. Replacement typically requires custom retrofitted frames built to fit openings that have shifted over 50-plus years, which is why our Window Replacement in Windcrest approach starts with measuring that settlement. That same retrofit reality applies to Therma-Tru entry systems tied into those openings. A mid-century ranch on a street like Balfour Drive doesn’t have a perfectly square, modern rough opening. The brick veneer has settled, the threshold has shifted, and the original jambs were framed for a door that weighed half as much as a modern fiberglass unit. When a Therma-Tru Classic-Craft binds in an opening like that, the fix isn’t a new door. It’s a properly shimmed, reflashed frame and a slab that’s hung to account for the settlement. We’ve done this work across Windcrest, and we know what the local housing stock demands. If the numbers don’t make sense on paper, they won’t make sense on your wall either.
Therma-Tru Models & Products We Service in Windcrest
We service the full Therma-Tru residential line that shows up in Windcrest homes: Classic-Craft (the top-end fiberglass line with real wood-grain texture), Fiber-Classic (the mid-tier fiberglass), Slim-Line (the narrower profile steel and fiberglass systems), and Smooth-Star (the smooth-face steel line). For parts, we use factory-glass lites and OEM-grade Therma-Tru weatherstripping when they’re the right call. But we’re not shy about upgrading to aftermarket reinforced hinges or heavy-duty sweeps when Windcrest’s sun and storm exposure demands more than factory spec. Our goal is the most durable repair for this climate, not the one a parts catalog defaults to. We keep common components in stock for faster turnaround across Windcrest, and anything we don’t have on the truck we can source quickly.
Therma-Tru Service Pricing in Windcrest
Here’s what Therma-Tru service typically runs in Windcrest. Door slab adjustments (hinge resets, strike plate realignment, minor binding fixes) generally fall between $150 and $300 depending on the door and how far out of square the opening has settled. Glass replacement in a Therma-Tru lite or sidelight runs $180 to $450 per pane, driven by glass size, low-E coating, and whether the frame needs work. Full weatherstripping and sweep replacement on an entry door averages $120 to $250 in parts and labor. Custom retrofit work for out-of-square brick openings starts around $400 and depends on how much shimming, reframing, or flashing the opening requires. A complete Therma-Tru entry system replacement with a Classic-Craft or Fiber-Classic slab typically falls between $1,800 and $4,200 installed, depending on size, glass package, and frame condition. Every estimate is free and written. Call (903) 488-7019 for an exact quote on your door.
| Service | Typical Range in Windcrest |
|---|---|
| Door slab adjustment (hinges, strike plate, binding) | $150 – $300 |
| Glass replacement in lite or sidelight | $180 – $450 per pane |
| Weatherstripping and sweep replacement | $120 – $250 |
| Custom retrofit for out-of-square brick opening | $400 and up |
| Full Therma-Tru entry system replacement | $1,800 – $4,200 installed |
Serving Windcrest, TX - Our Local Coverage Area
We’re based in the Windcrest 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 – Therma-Tru Windows & Doors in Windcrest
Yes, it can, especially on western exposures. Therma-Tru fiberglass is durable, but any fiberglass slab subjected to years of intense direct sun on a settled 1960s frame can develop a slight bow. The typical symptom is binding at the strike plate or dragging across the threshold. This is often repairable with a hinge reset and proper shimming. Call (903) 488-7019 and we’ll assess whether a repair or replacement makes financial sense for your specific door.
Yes. If the door slab and frame are structurally sound, we replace the failed lite or sidelight glass on its own. This is a common Windcrest repair because high humidity accelerates seal failure in older double-pane units. We use factory-glass lites when available and match the low-E coating on the rest of your system. The cost typically runs $180 to $450 per pane. Call (903) 488-7019 for a written quote.
Heat and storm cycles are the culprit. Windcrest’s hot summers dry out and crack rubber weatherstripping, and the horizontal rain from severe thunderstorms pushes water against sweeps that are already weakened. Factory sweeps wear faster under those conditions. We install heavy-duty sweeps and weatherstripping upgrades built for this exposure, which extend the life well beyond the original parts.
Usually yes, but the opening matters more than the door. Windcrest’s 1960s brick ranch openings have often settled out of square over 50 years. That doesn’t mean you can’t install a Therma-Tru Classic-Craft or Fiber-Classic. It means the frame needs to be properly shimmed, flashed, and sometimes rebuilt before our Window Installation in Windcrest team hangs the new door. Skipping that step is why some homeowners end up with a brand new door that binds within a year. We address the opening first.
That depends on the door system. You can’t retrofit impact resistance into a standard frame and slab that wasn’t designed for it. But you can replace the glass lites with impact-rated units and upgrade the hardware to handle wind pressure better. In many Windcrest homes, the smarter move is a full impact-rated entry system if hail and storm protection is the priority. We’ll walk you through the cost difference and what actually protects your home versus what just sounds good. Call (903) 488-7019 for the straight version.
Service Areas Near Windcrest
Beyond Windcrest, our crews serve the broader Windcrest service area, plus San Antonio, Castle Hills, Leon Valley, and Floresville. If you’re in San Antonio and need Therma-Tru service, we cover that corridor daily. We also handle Therma-Tru repair in Fair Oaks Ranch and the surrounding Hill Country communities. For the full Therma-Tru sales & service breakdown, see our brand page.
Book Your Therma-Tru Service in Windcrest Today
Call (903) 488-7019 to schedule your free estimate. You’ll get a written price before any work starts, a live arrival time you can track, and before-and-after photos of the job. We answer live, 24/7. And if the Therma-Tru door isn’t right, the 365-Day Done Right Promise covers it, in writing, for a full year.
Written by Sean Mackey, Owner at Juniper Windows San Antonio, serving Windcrest and the San Antonio area since 2001.
Six Reasons Homeowners Choose Juniper Windows San Antonio
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.