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 Sliding & Patio Doors: The San Antonio Owner’s Guide
If your ECO Window Systems sliding or patio door is dragging, sticking, or letting drafts through, you’re probably looking at a roller, track, or weatherstripping failure. We stock and install ECO Window Systems-compatible sliding and patio door parts across San Antonio, with most roller and weather seal replacements running $185 to $490 installed, depending on the door size and hardware generation. Most owners discover the problem the same way: the door gets harder to slide, then one day it won’t budge without real muscle, or you notice daylight around the edge where the seal used to sit tight.
Which ECO Window Systems Models This Applies To
ECO Window Systems builds sliding doors across a few distinct lines, and the part compatibility isn’t always interchangeable. The big gotcha: ECO changed roller hardware between their early 2000s vinyl slider series and the current generation, so a roller assembly from a 2021 door won’t drop into a 2008 frame without a track adapter. Check the sticker on the interior frame edge first – ECO labels most units with a series code (usually a letter followed by three digits, like S-220 or S-360). If the label’s gone, measure the door panel thickness: older units ran 1-1/2″ panels, newer ones are 1-3/4″.
For most owners, OEM ECO rollers and locks are worth the small premium over generic aftermarket parts. The aftermarket stainless rollers are fine on the track side, but the housing dimensions are rarely exact, which means shimming and re-drilling – and a door that still doesn’t sit square. We keep OEM ECO parts in stock for the S-series and current slider lines, plus Mr-Glass equivalents that match those specs to the millimeter. Juniper Windows San Antonio is an independent service provider; we’re not affiliated with ECO Window Systems, but we work with their hardware every week.
Signs Your ECO Window Systems Sliding & Patio Door Is Failing
- You’re using your whole body to move it. The rollers have worn flat or the bearings are seized. In San Antonio, the limestone dust that blows around new construction areas like Stone Oak and Cibolo grinds into the roller bearings fast.
- The door drops when you release the handle. The roller adjustment screws have backed out, or the roller housing cracked. Either way, the door is now dragging its weight on the track, which will trash the track rail if you keep forcing it.
- You can see daylight or feel a draft at the mating seam. The interlock weatherstripping has compressed or torn. Texas heat does a number on rubber and pile seals – they bake hard and lose their rebound in three to five years.
- It slides fine but won’t lock. The door has sagged enough that the lock hook misses the strike plate. This is usually a roller-height issue, not a lock issue, but the lock gets blamed first.
- There’s a grinding sound, or the track looks gouged. A roller is skidding instead of rolling. The fix is a new roller set and usually a track cap or rail replacement, not just lubrication.
Replacement Cost & What’s Included
Here’s what we charge in the San Antonio market for ECO Window Systems slider and patio door parts, installed:
- Roller assembly replacement (both panels): $185 – $340
- Weatherstripping and interlock seal replacement: $140 – $280
- Track cap or rail replacement: $220 – $410
- Lock and latch hardware: $110 – $190
- Full slider hardware refresh (rollers, seals, track adjust, realignment): $390 – $690
Every estimate is a written, line-item price before any work starts – no “we’ll see once we open it up” language. The range depends on door width, whether we’re pulling both panels or one, and whether the track needs replacement or just cleanup. Labor is bundled into the price, and every install is covered by our 365-Day Done Right Promise: if the work isn’t right, we make it right, parts and labor, in writing, for a full year.
DIY or Call Us?
A sliding door roller swap is one of those jobs that looks manageable on YouTube and goes sideways in the last ten minutes. The danger isn’t the spring (there isn’t one on a slider) – it’s the weight. A tempered glass patio panel runs 80 to 120 pounds, and if it tips out of the track while you’re wrestling it, it’s a hospital trip or a shattered panel. We’re not going to tell you not to try; we’re going to tell you what usually happens: the adjustment screw strips, the panel won’t lift high enough to clear the track, and now you’ve got a door halfway out with no good way forward.
What you can safely do: vacuum the track, check for obvious debris, and note where the door binds. If it’s just dirty, you’ve fixed it for free. If it’s the rollers, call us at (903) 488-7019. We’ll quote it over the phone, and the tech shows up with the right parts on the truck – no second trip while your door sits half-alive.
FAQs
In San Antonio’s dry heat and limestone dust, ECO roller bearings typically last 7 to 10 years before they start degrading, and weatherstripping usually hardens and loses its seal in 3 to 5 years. If your door faces west, expect the shorter end of both ranges – our sun and heat accelerate every rubber component. Call (903) 488-7019 for an exact assessment; estimates are free.
No – once ECO roller bearings seize or the nylon wheel wears flat, the assembly is done. Lubricating a seized roller is a temporary fix that buys weeks, not seasons. We replace the full roller set on both panels so the door wears evenly from the start.
Most ECO slider roller and weatherstripping replacements take 60 to 90 minutes from arrival to cleanup, including realignment and a slide test. Track replacement can push it to two hours. We give you a live arrival time before the tech heads your way, and you’ll get before-and-after photos with your digital invoice.
Yes. Our techs carry ECO S-series rollers, interlock seals, and lock hardware for the most common slider generations, plus PGT, CGI, CWS, and Mr-Glass equivalents for mixed-brand homes. If your door’s an odd size, we order and return within a few days – you’ll know before we ever leave the shop.
Get Your Sliding Door Sliding Again
If your ECO Window Systems slider is fighting you, call Juniper Windows San Antonio at (903) 488-7019 for a free, written estimate. Sean Mackey and the crew will give you a straight price before anything gets taken apart, a live arrival time you can track, and a one-year written guarantee on the work. If the numbers don’t make sense on paper, they won’t make sense on your wall either – we’d rather tell you that up front than surprise you at the door.
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.