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
ECO Window Systems Door Replacement in San Antonio: What to Know First
Independent ECO Window Systems door replacement in San Antonio typically runs $1,850 to $5,400 per opening depending on the door type, glass package, and frame condition. Most jobs are completed in one day once the new unit arrives, usually within two to three weeks of your written quote. We give you a fixed, line-item price before any work starts, so the number on your signed quote is the number on your final invoice, no change orders, no last-minute surprises.
This page is for homeowners in San Antonio, Terrell Hills, Alamo Heights, and surrounding neighborhoods who already have ECO Window Systems products and are dealing with a failed door unit, fogged glass, a frame that’s sagging, or a lock that won’t bite. If you’re in that spot, call us at (903) 488-7019 and we’ll get one of our ECO-savvy technicians out to look at it.
How ECO Window Systems Products Fail – and How We Fix Them
- Sliding patio door rollers that grind and chew the track (ECO Series 5000 and 6000 sliders). The factory roller assemblies on these units use a plastic housing that San Antonio’s heat eventually makes brittle. We see it constantly in homes west of I-10, where afternoon sun beats on the track. The door doesn’t glide, it drags, and the bottom rail starts wearing unevenly. Our fix is to replace the rollers with machined stainless steel aftermarket assemblies and rebuild the bottom rail sweep so the load distributes evenly across the track, instead of wearing one side down to the aluminum.
- Fogged insulated glass units in swing patio doors (ECO Series 4000 French door lites and 7000 terrace doors). San Antonio’s humidity, combined with the daily temperature swing, puts a beating on the perimeter seal of older ECO insulated glass. Once the desiccant inside the spacer gets saturated, you get moisture that never burns off. You can wipe the outside all day; the fog is trapped inside. That’s a sealed unit failure. We order replacement IGUs matched to the original glass dimensions and low-E coating, and we re-glaze the sash so the new unit seats properly in the old frame.
- Multi-point lock mechanisms that bind or stop throwing (ECO Series 7000 entry doors). This one taught us something. The multi-point lock on these doors is a nice piece of hardware, but it relies on the door slab staying perfectly aligned in the frame. San Antonio’s clay-heavy soil means foundation movement is a fact of life, and once the slab shifts even a quarter inch, the strike points on the frame no longer line up with the locking pins. You’ll hear the gear turn but only one point actually engages. We don’t just muscle the hinges; we square the slab, shim to the new reveal, and replace worn gearboxes with exact-spec components so all five points throw with one smooth turn.
- Weatherstripping and compression seals that turn to dust (all ECO swing door lines). ECO’s early weatherstripping was a foam-backed vinyl that breaks down fast under UV and heat. After five or six San Antonio summers, you’ve got daylight at the sill and a door that rattles in the wind. We strip out the old material and install dual-durometer EPDM bulb seals and a new threshold cap sized to the original ECO extrusion. It quiets the door and stops the conditioned air from leaking into the yard.
- Frame rot and water intrusion at the rough opening (ECO Series 2000 garden doors and older builder-grade sliders). This is the one we hate finding because it’s almost always from a bad original install, not a bad product. The builder didn’t flash the rough opening correctly, or the pan sat too low, and water wicked into the wood buck. By the time you see dark stains at the interior corners, the frame’s structural integrity is gone. If the foam-filled vinyl frame itself is intact, we can salvage it, rebuild the rough opening, and re-install with full flashing tape, sill pan, and backer rod. If the frame is compromised, it’s replacement time.
Our ECO Window Systems Door Replacement Process
- 1
You call or book online. A live person answers, day or night. We collect the basics: door type, what it’s doing, how old the unit is, and your San Antonio ZIP code.
- 2
We come out and diagnose. One of our technicians measures the door, checks the plumb and level of the existing frame, inspects the hardware, and figures out whether we’re repairing or replacing. If Sean Mackey’s on the job, he’ll walk you through what he’s seeing as he sees it, including anything that might become a problem down the road.
- 3
You get a written quote. Line by line. Door unit, hardware, flashing, trim, haul-off, everything. If the numbers don’t make sense on paper, they won’t make sense on your wall either. We lock that number in before you sign anything.
- 4
We order or pull the parts. For factory-match components, we go OEM when it matters most: glass units, multi-point gearboxes, and finish hardware. For wear parts like rollers and weatherstripping, we’ll recommend a quality aftermarket option that often outperforms the original.
- 5
We install, test, and walk you through. We set the new door, check reveal margins on all four sides, run the full cycle test (open, close, lock, unlock) at least six times, and verify the threshold seals. Then we show you what we did and clean up everything, including the old door.
- 6
It’s covered, in writing. Every completed installation carries our 365-Day Done Right Promise. If the work isn’t right, we make it right, parts and labor, for a full year.
What ECO Window Systems Door Replacement Costs in San Antonio
| Scenario | Typical Cost Range |
|---|---|
| Sliding patio door, new rollers and track rebuild (keep existing frame) | $320 – $680 |
| Full sliding glass door replacement, aluminum or vinyl frame, standard low-E | $1,850 – $3,200 |
| Single swing entry door replacement, impact-rated glass, multi-point lock | $2,400 – $4,100 |
| French double door set, insulated glass, full frame replacement with flashing | $3,100 – $5,400 |
| Sealed glass unit replacement (fogged lite, re-glaze into existing sash) | $280 – $520 per lite |
What moves the price: glass package (standard low-E versus impact-rated, which adds real cost but buys real protection), whether the existing frame can be saved, and whether the rough opening needs structural repair. Every quote is free. Call (903) 488-7019 and we’ll give you an exact number for your door, in writing, before anything starts.
Why San Antonio Homeowners Call Juniper Windows San Antonio for ECO Window Systems Work
We’re an independent ECO Window Systems service provider, not an authorized dealer, and we’re not the manufacturer’s warranty department. What we are is a crew of windows-and-doors people who’ve been working on San Antonio homes for well over a decade, many of those jobs involving ECO products. We know how these doors fail in this climate because we’ve fixed most of those failures at least twice. We carry access to eight product lines, PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux, so if a repair doesn’t make sense and replacement does, we can price you options from multiple manufacturers instead of force-feeding you whatever’s on the box in the truck.
Every job gets a written price up front. Every job gets background-checked, uniformed technicians. Every job gets before-and-after photos and a digital invoice you can pay from a link. And every job is covered by the 365-Day Done Right Promise, 365 days, parts and labor, in writing.
FAQs
If your ECO Window Systems product is still under the original manufacturer’s warranty, the warranty is tied to the product, not to who services it. What we do is diagnose the failure and tell you honestly whether it’s a warranty-eligible defect you should pursue with ECO directly or a wear-and-tear issue that’s on your dime anyway. Either way, our written diagnosis gives you a clear path forward. Call (903) 488-7019 if you’re not sure which camp your door falls in.
Both. For things like multi-point gearboxes, finish hardware, and glass dimensions, we match exact ECO specifications so everything fits and functions the way it did from the factory. For wear parts like rollers, hinges, and weatherstripping, we’ll often recommend an aftermarket upgrade that costs the same or less and holds up better in San Antonio’s heat. You’ll see the exact part and the price on your written quote.
If the door slab is solid, the glass is clear, and the frame is square, we can usually repair: new rollers, new locks, new seals, new threshold. If the frame is rotted, the slab is warped, or the glass seal has failed on a door that’s more than 15 years old, replacement starts making more financial sense than pouring money into a unit that’s at the end of its service life. That’s the conversation we’ll have with you on site, with numbers for both paths.
Most replacements take two to three weeks from signed quote to finished install. If the door unit is in stock at one of our suppliers, it can be sooner. We’ll schedule a date with you, send a live arrival time you can track, and we won’t cancel or push it without a real reason.
It’s exactly what it sounds like. If anything about our installation isn’t right, we come back and make it right, free, within 365 days of the job. That covers parts and labor, in writing, on every project. We built the whole company around not making you chase us.
If your ECO Window Systems door is failing in San Antonio, don’t live with a door that fights you every time you open it. Call (903) 488-7019 to schedule your free estimate. We’ll come out, diagnose it, and give you a written price, no pressure, no mystery.
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.