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 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
ES Windows Window Replacement: The San Antonio Owner’s Guide
If you own ES Windows and one has failed, you’re likely looking at a window replacement that runs $850 to $1,900 per unit installed in San Antonio, depending on size, glass package, and whether the frame is salvageable. We keep ES Windows-compatible replacement sashes, balances, weatherstripping, and hardware on our trucks because we know these windows are common in neighborhoods like Alamo Heights, Stone Oak, and Terrell Hills. Most owners discover the problem the hard way: a window that won’t stay up, a lock that snapped mid-turn, or condensation that appeared between the panes and never went away. The good news is that a failed part usually doesn’t mean replacing the entire frame. More on that below.
Which ES Windows Models This Applies To
ES Windows produces several series lines across the residential market, and the replacement part you need depends on which series you have. The most common we encounter in San Antonio are the ES Windows 7000 Series and 8000 Series, which are popular in newer construction and custom builds across the city. You can identify your series by checking the corner of the glass: there’s usually a laser-etched code on the inside spacer, or a label on the frame near the sash lock. That number matters because balances, pivot bars, and tilt latches are not universal between series. A 7000 Series sash balance will not fit an 8000 Series frame, no matter how close they look. As an independent service provider not affiliated with ES Windows, we match parts by measurement and series code, not just by “it looks the same.”
When it comes to OEM versus aftermarket, here’s the honest picture. OEM parts carry the ES Windows name and match exactly, but lead times can stretch to two or three weeks depending on the distributor. Quality aftermarket equivalents from brands we trust often install in days, cost 20-40% less, and perform identically. We’ll tell you which is which and what we recommend, with a written price either way.
Signs Your ES Windows Window Replacement Is Failing
- The sash won’t stay open. This is almost always a failed balance or spiral rod. In San Antonio’s heat, the internal spring loses tension faster than it does in milder climates, and a window that slams shut is the first warning.
- You hear a scraping or grinding when opening or closing. Dirt and dust from our dry summers work into the track and pivot hardware, causing wear that eventually damages the shoe or pivot bar.
- The lock or tilt latch snapped. ES Windows locks are zinc die-cast on most models, and they crack under repeated stress. It’s a $20-$45 part, but if the frame around it is cracked too, you may need a full sash replacement.
- Condensation or fog between the panes. This means the insulated glass seal has failed. The glass unit is shot. You can replace just the insulated glass unit (IGU) in many ES Windows frames, which costs less than a full window replacement.
- Drafts around the sash even when closed. Weatherstripping on ES Windows sashes compresses over time, especially on west-facing windows in San Antonio that bake in the afternoon sun. If the frame itself is square and true, new weatherstripping solves it for under $150.
Replacement Cost & What’s Included
Here’s what you can expect to pay for ES Windows window replacement work in San Antonio:
| Job Type | Typical Installed Price | What’s Included |
|---|---|---|
| Weatherstripping replacement | $120 – $280 | New weatherstripping, sash alignment check |
| Lock or tilt latch replacement | $90 – $180 | New hardware, installation, alignment |
| Balance or spiral rod replacement | $160 – $340 | New balance or spiral rod, sash re-seat, operation test |
| Insulated glass unit (IGU) replacement | $400 – $850 | New IGU, glazing, installation, cleanup |
| Full sash replacement | $550 – $1,100 | New sash, hardware, balance check, installation |
| Complete window replacement | $850 – $1,900 | New window, frame work if needed, installation, haul-away |
Every quote includes parts and labor. We write the number down before any work starts, and it stays that number. No add-ons, no “we discovered something” phone call. The 365-Day Done Right Promise covers the work for a full year, parts and labor, in writing. If a repair fails within that year, the second visit is free.
DIY or Call Us?
Some ES Windows fixes are genuinely safe to attempt. Replacing a tilt latch or a lock is a two-screw job that most homeowners can handle in ten minutes. Replacing weatherstripping is also straightforward, as long as you match the original profile. But when it comes to balances, spiral rods, and pivot bars, we recommend a trained professional. These parts are under spring tension, and the wrong move can send a sash flying or pinch a finger badly. We’ve also seen homeowners order the wrong balance mounting style, install it, and create a bigger problem than the one they started with. If the window is fogged or the sash is off its track, call us at (903) 488-7019 and we’ll give it to you straight.
FAQs
Most ES Windows in San Antonio last 15 to 20 years before parts start failing, but our sun and heat load wear out seals, balances, and weatherstripping faster than the national average. Windows on west- and south-facing walls usually show failures first. Call (903) 488-7019 and we’ll assess what’s failing and whether the rest of the window is worth saving.
Yes, in most cases. If the failure is a lock, balance, tilt latch, weatherstripping, or a fogged IGU, we can repair or replace just that component. A full window replacement is only necessary when the frame itself is warped, rotted, or out of square. Call (903) 488-7019 for a free estimate and we’ll tell you which path makes sense.
A lock, latch, or weatherstripping job takes under an hour. A balance or spiral rod replacement is usually 45 minutes to 90 minutes. A full sash or complete window replacement, including frame work, can take a half-day. We’ll give you a specific time window when you book, and you’ll get a live arrival time so you’re not waiting around.
We stock the most common ES Windows-compatible parts on our trucks: balances, spiral rods, pivot bars, tilt latches, locks, and weatherstripping. If you need an obscure part or a specific OEM item, we’ll order it and tell you the lead time up front. We also stock parts for other brands we install: PGT, CGI, and CWS. Call (903) 488-7019 and we’ll check our truck inventory before we even schedule the visit.
Call Juniper Windows San Antonio for ES Windows Replacement
If you have an ES Windows that’s failing, don’t guess. We’ll identify the exact part, give you a written price before any work starts, and handle the install with a live arrival time and photo updates. Sean Mackey and the Juniper Windows San Antonio team have been replacing sashes, balances, and hardware across this city for well over a decade. If the numbers don’t make sense on paper, they won’t make sense on your wall either. Call (903) 488-7019 to schedule your free estimate.
Written by Sean Mackey, Owner, Juniper Windows San Antonio at Juniper Windows San Antonio, serving San Antonio and nearby areas.
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.