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
Why San Antonio Homeowners Choose ES Windows Windows & Doors
We’re an independent San Antonio Es Windows service provider, and we repair and replace ES-Line 7600, 8700, 9600, and ES-Lux Impact windows and doors throughout the metro. Our crew has specialized in ES Windows for over a decade, so we know the aluminum-framed, thermally broken systems that dominate South Texas homes better than most. We are not authorized by ES Windows, and we’ll be upfront about that. What we offer instead is hands-on field experience with their hardware, glazing, and frame tolerances, plus a written price before any work starts and the 365-Day Done Right Promise backing every repair. Call (903) 488-7019 to talk through what your windows are doing.
Why Trust Juniper Windows San Antonio for Your ES Windows Windows & Doors?
ES Windows builds a specific kind of product: thermally broken aluminum frames designed for heat, UV, and humidity. That’s a good match for San Antonio’s climate, but it means the failure modes are specific too. Thermal breaks separate, rollers wear, operators strip. A general handyman who mostly sees vinyl replacements won’t recognize those symptoms quickly, and they’ll often quote a full replacement when a $90 roller assembly and a track realignment would fix the problem. We’ve seen hundreds of ES Windows installations across San Antonio, from Alamo Heights to Stone Oak, and Sean Mackey, our owner, built our reputation on straight talk about U-factors, flashing details, and realistic timelines. As an independent service provider, we’re not bound by manufacturer scripts. We tell you what’s actually wrong, what it costs, and whether repair makes sense. That’s how we’ve operated since 2001 as part of the Relay Home Co. family.
Common ES Windows Windows & Doors Problems We Fix in San Antonio
Most ES Windows problems in San Antonio fall into a handful of patterns. Heat is the common thread. Here are the five issues we see most often, with the real cause behind each one.
- Thermal break separation in older ES-Line 7600 Series frames. The 7600 Series used a polyamide thermal break between the interior and exterior aluminum. After years of direct Texas sun, that strip can shrink and pull away from the aluminum, which opens a gap that lets humid air condense inside the frame. Homeowners notice drafty windows in winter and condensation streaks in summer. The fix is re-bonding or replacing the thermal break, not replacing the whole window.
- Roller assembly wear in 3-Lite horizontal sliders. ES-Line 8700 and 9600 3-lite sliders are common in San Antonio’s 1980s and 1990s homes. The rollers sit in a track that collects dust, pollen, and the fine limestone grit that blows around this city. Over time the roller bearings grind down, the panel sags, and it starts jumping the track or refusing to move. We replace the roller assemblies and realign the track, which usually restores one-hand operation.
- Crank operator gear stripping in casement and awning windows. ES Windows casement and awning units use a worm-gear crank operator. After years of torque against a warped or paint-sealed sash, the gear teeth strip. You’ll feel it: the crank turns but the window doesn’t move, or it clicks and slips. We replace the operator, and if the sash is binding, we address that too so the new gear doesn’t strip within a year.
- IGU seal failure in fixed and picture windows. Failed insulated glass units (IGUs) show up as fog, haze, or water spots between the panes. In San Antonio, the daily temperature swing and high humidity accelerate seal failure, especially on west-facing walls that take the full afternoon sun. The glass loses its low-E performance once the seal goes, so you’re paying more to cool the house while looking through fog. We replace the IGU, not the whole frame, whenever the frame is still square and sound.
- Warped or corroded frames on ES-Lux Impact Series doors. The ES-Lux Impact line is built for wind-borne debris, but the aluminum frame still takes abuse from San Antonio’s humidity and occasional hail. We see hinge bind, threshold deflection, and seal compression issues on doors that were installed without proper flashing or on slabs that have shifted. San Antonio’s expansive clay soils move under foundations, which throws door frames out of square. We correct the hinge geometry or, when the frame is truly twisted, recommend full-frame replacement.
ES Windows Parts & Our Repair-vs-Replace Approach
We prioritize OEM ES Windows replacement parts for critical components: rollers, hinges, thermal breaks, and crank operators. These parts are engineered to match the frame tolerances, and using them keeps the window performing the way the manufacturer intended. When an original part is discontinued or the OEM price is three times the aftermarket equivalent with no performance difference, we’ll use a high-quality aftermarket part and tell you we’re doing it. No silent substitutions.
Our repair-vs-replace rule is simple. If the frame is square, the thermal break is intact, and the glazing channel is clean, we repair through our Window Replacement services. A roller swap or IGU replacement gets the window back to full function for a fraction of a replacement cost. If the frame is twisted from foundation movement, corroded through at the corners, or the thermal break has separated across multiple sections, we recommend full-frame replacement over insert insulation. An insert only hides a failing frame. Full-frame replacement starts square and seals properly. Call (903) 488-7019 if you want an honest read on which path your windows need.
Our ES Windows Service Process – Step by Step
- 1
Diagnosis. We inspect the window or door in place: frame squareness, track alignment, roller condition, operator function, and IGU seal integrity. For ES Windows units, we check the thermal break junction specifically, since that’s a San Antonio failure point most techs never look at.
- 2
Repair or replace. We write the scope and price before any work starts. If it’s a repair, we bring the OEM or specified aftermarket parts and complete the work in place. If it’s a replacement, we order the correct ES-Line series or ES-Lux Impact unit and schedule the install.
- 3
Test. Every repaired window gets cycled open and closed multiple times under load. Sliders get track alignment verification. Casements get torque checks on the operator. We look for air leaks around the thermal break and re-seal as needed.
- 4
Warranty. Every service is covered by the 365-Day Done Right Promise: parts and labor, in writing, for a full year. If something isn’t right, we come back at no charge.
ES Windows Products We Service & Install in San Antonio
We service and install the full ES Windows lineup that’s common in San Antonio: the ES-Line 7600 Series (older thermally broken frames, most repair calls), the ES-Line 8700 Series (3-lite horizontal sliders, casements, and awnings), the ES-Line 9600 Series (newer thermally broken systems with higher U-factor performance), and the ES-Lux Impact Series (impact-rated glass built to resist wind-borne debris without shattering, designed for coastal and high-wind zones but increasingly specified in San Antonio for hail protection). We stock common ES Windows rollers, crank operators, and weatherstripping locally in San Antonio for faster turnaround on repairs.
We Also Service These Brands
While ES Windows is a big part of our work, we’re multi-brand specialists. We also repair and install PGT, CGI, CWS, and ECO Window Systems windows and doors. Having eight product lines on the shelf, including Therma-Tru and ViewLux, means we never have to force a square peg into a round hole when a different brand is the right call for your home.
FAQs – ES Windows Windows & Doors Service in San Antonio
Is Juniper Windows San Antonio authorized by ES Windows?
No. We are an independent ES Windows service provider, not an authorized factory representative. That independence means we call out problems as we find them without any manufacturer script, and we use OEM parts where they matter without being obligated to sell you a replacement you don’t need.
Do you use genuine ES Windows/OEM parts?
We prioritize OEM ES Windows parts for critical components like rollers, hinges, crank operators, and thermal breaks. When an original part is discontinued or priced unreasonably, we’ll use a high-quality aftermarket equivalent and tell you before we install it. No silent substitutions, ever.
How long does ES Windows service take?
Most roller replacements, crank operator swaps, and thermal break repairs are done in a single visit, typically 1 to 2 hours per window. IGU replacement may take a few days if the glass unit needs to be ordered. Full-frame replacement for an ES-Line or ES-Lux unit usually runs 1 to 2 days including trim and flashing work. We’ll put the timeline in writing before you commit.
What ES Windows models/series do you cover?
We service and install the ES-Line 7600 Series, ES-Line 8700 Series, ES-Line 9600 Series, and ES-Lux Impact Series. That covers everything from older thermally broken sliders in 1980s San Antonio homes to current impact-rated units in newer northwest suburbs like Helotes and Stone Oak.
Will service void my ES Windows warranty?
If your ES Windows product is still under factory warranty, using an independent service provider for repairs typically does not void the manufacturer’s coverage, but we recommend checking your specific warranty terms. We work warranty-safely: proper parts, documented repairs, no modifications to the frame that would trigger a coverage dispute. We’ll flag any warranty questions before we start.
How much does ES Windows windows & doors service cost in San Antonio?
Roller assembly replacement on a 3-lite slider typically runs $180 to $320 per panel. Crank operator replacement runs $140 to $260. IGU replacement runs $350 to $700 per sash depending on size and glazing. Full-frame ES Windows replacement runs $900 to $2,400 per opening depending on series, size, and impact-rating. These are San Antonio market ranges based on our recent work. Call (903) 488-7019 for an exact quote, estimates are free.
Book Your ES Windows Service in San Antonio, TX
If your ES Windows sliders are sticking, your casement crank is clicking, or you’re seeing fog between the panes, call (903) 488-7019. We’ll schedule a service visit, diagnose the problem, and put the repair or replacement price in writing before you commit. Serving San Antonio, ES Windows Windows & Doors in Fair Oaks Ranch, TX, Alamo Heights, Stone Oak, Helotes, and the surrounding metro.
Written by Sean Mackey, Owner at Juniper Windows San Antonio, serving San Antonio 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.