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
Casement Windows in San Antonio, TX
Casement windows are hinged at the side and crank open outward, giving you full top-to-bottom ventilation and an unobstructed view. In San Antonio, where summer temperatures routinely cross 100°F, that matters more than most homeowners realize. Juniper Windows San Antonio installs casement windows from ECO Window Systems, Mr-Glass, and ViewLux, and every job comes with a written price before any work starts and our 365-Day Done Right Promise backing the installation. Call (903) 488-7019 for a free estimate, and take a look at our full Window Installation in San Antonio page for the broader scope of what we do.
Casement windows are the workhorse of the window world when it comes to airflow and sealing. Because the sash presses directly against the frame when closed, a properly installed casement seals tighter than sliding or double-hung windows. That means less conditioned air leaking out of your house during a San Antonio August, and a lower cooling bill as a result.
We’ve been providing Window Installation services in San Antonio since 2001. Sean Mackey leads our team, and he’s built the business around a simple idea: homeowners should never have to guess what a window installation will cost. You get a written price up front, a live arrival time you can track, and before-and-after photos of the work when we’re done.
If you’re researching casement windows, you likely already know you want them. What you probably want to know next is what they cost here, how long installation takes, and whether the brands we carry hold up to South Texas heat. That’s what this page covers.
- Casement windows in San Antonio typically run $850 to $1,400 per window installed, depending on size, glass package, and frame material.
- They seal tighter than sliding or double-hung windows, which directly cuts cooling costs in summer.
- Juniper Windows San Antonio installs ECO Window Systems, Mr-Glass, and ViewLux casement windows, among other lines.
- Every installation includes a written price before work starts and the 365-Day Done Right Promise: parts and labor, in writing, for a full year.
- Call (903) 488-7019 and a real person answers, 24/7.
When You Need Casement Windows
Not every home needs casement windows. But plenty of San Antonio homes do, and the signs are often right in front of you. Here’s what pushes homeowners toward casement installation:
- You want real airflow in rooms that get stuffy. Casement windows open from top to bottom and catch side breezes that double-hung windows miss. That matters in neighborhoods like Alamo Heights and Terrell Hills, where older homes often have fewer windows per wall than newer builds.
- Your current windows are impossible to open. Crank mechanisms fail over time, especially in homes built before 1990. If you’re fighting a stripped crank or a sash that won’t budge, replacement is the realistic fix, not repair.
- You’re tired of drafts and heat gain. Casement windows create a compression seal when closed. If your existing sliders have gaps you can feel with your hand, switching to casement windows means a measurable difference in your AC runtime.
- You want a cleaner view with less frame. Casement sashes don’t have a horizontal rail across the middle like double-hung windows do. If you’re overlooking the Hill Country or a backyard pool in Stone Oak, a casement gives you the view without the split line.
- Hard-to-reach windows need easier operation. Casement cranks work well over kitchen sinks, behind furniture, or in tight spaces where lifting a sash is awkward. We install them regularly in San Antonio kitchens for exactly that reason.
- You’re replacing windows in a brick or stucco home. San Antonio is full of masonry construction, and casement windows with proper mounting flanges integrate cleanly into these openings. It’s a natural fit for the housing stock here.
If any of these hit home, the next step is measuring and pricing. We do both for free.
Our Casement Windows Process
You don’t need to know the technical details of window installation to get a good result. But knowing our process helps you understand what you’re paying for, and why our jobs stay on schedule in a city where heat and humidity complicate everything.
- Call or book online. We answer the phone 24/7 with a live person, not a voicemail tree. Tell us where you are, how many windows you’re considering, and what’s wrong with your current ones.
- Measurement and written quote. We measure every opening precisely, including depth and squareness. San Antonio homes settle, and older openings are rarely perfectly square. We account for that before a window is ordered. You get a written price covering the window, installation, trim work, and haul-away.
- Product selection. We walk through glass packages, frame finishes, and brand options. ECO Window Systems offers strong value. Mr-Glass and ViewLux step up in finish quality and hardware feel. We’ll explain U-factor and Solar Heat Gain Coefficient in plain language so the choice makes sense for your specific wall exposure.
- Installation day. Our technicians arrive in uniform, background-checked, with a live arrival time you can track. They remove the old window, address any water damage or rot in the opening, flash and seal the new window, and install the interior trim. Photos are taken before, during, and after.
- Walkthrough and digital invoice. You see the finished work, we open and close every sash with you, and you get a digital invoice you can pay from a link. Nothing gets left in your yard. The 365-Day Done Right Promise activates the day we finish.
The whole process usually takes one day for one to four windows, and two to three days for a full house. We’ll tell you the timeframe in writing before you sign anything.
Casement Windows Pricing in San Antonio
Casement window installation in San Antonio typically costs between $850 and $1,400 per window, fully installed. That’s the honest range for a quality casement window with a good glass package and professional installation, not a bare-bones builder-grade unit.
Here’s what drives the number:
- Window size. A small bathroom casement might be under $800. A large picture casement or a pair flanking a fixed center window pushes past $1,500 per opening.
- Frame material. Vinyl is the most common and the most budget-friendly. Aluminum-clad wood looks sharp and costs more. Fiberglass sits in between and handles San Antonio temperature swings well.
- Glass package. Standard dual-pane insulated glass is the baseline. Adding Low-E coatings designed for cooling-dominated climates reduces heat gain. Impact-rated glass costs more but protects against wind-borne debris without shattering; it’s a serious consideration for homeowners who want windows that survive storm season intact.
- Installation complexity. If the existing frame is rotted, if there’s termite damage, or if the opening needs reframing, labor costs rise. We show you those costs on the written quote before any work starts.
- Number of windows. Replacing a single window costs more per unit than replacing six, because setup, permits, and mobilization spread across more openings.
| Casement Window Scenario | Typical Installed Cost in San Antonio |
|---|---|
| Small vinyl casement (24″ x 36″) | $750 – $950 |
| Standard vinyl casement (30″ x 48″) | $900 – $1,150 |
| Large vinyl casement (36″ x 60″) | $1,100 – $1,400 |
| Standard casement with Low-E glass package | $1,050 – $1,300 |
| Casement with impact-rated glass | $1,300 – $1,800 |
| Aluminum-clad wood casement | $1,200 – $1,700 |
These ranges reflect what we see across San Antonio, from older homes in Jefferson and Monte Vista to newer construction in Cibolo and Schertz. Your written quote will land somewhere in these ranges based on the actual measurements and glass you choose.
Estimates are free. Call (903) 488-7019 and we’ll get you a written number, not a vague ballpark that shifts at the door.
Why San Antonio Homeowners Choose Casement Windows
The case for casement windows in San Antonio comes down to three things: heat, wind, and view. Let’s look at each through the lens of a local home.
Sealing Against Heat
Double-hung windows have a gap between the two sashes even when closed. Sliding windows rely on weatherstripping along a sliding track. Casement windows use mechanical hardware to pull the sash tight against the frame, creating a compression seal. In practical terms, a casement window in good condition leaks significantly less air than a double-hung of the same size.
For San Antonio homeowners, that means less hot July air seeping in around the edges, and less money leaving the house every month through the AC unit. The U-factor on the windows we install from ECO Window Systems and ViewLux is documented at the point of sale, so you know exactly what you’re getting.
Ventilation When the Breeze Actually Blows
San Antonio gets a prevailing southeast breeze most of the year. Horizontal Roller Windows also catch breezes well, but casement windows, especially when opened at 90 degrees, can act like funnels for that breeze. Homeowners in Alamo Ranch and Helotes, where homes are newer but sometimes under-windowed, notice the difference on spring and fall evenings when windows can replace the AC entirely.
Views Without Interruption
Hill Country views, backyard pools, mature oak trees. San Antonio homes have things worth looking at. Picture & Fixed Windows are another option for unobstructed views, but casement windows remove the center rail entirely, leaving one clear pane of glass. If you’re replacing windows in a living room or breakfast nook, casement windows give you more glass area for the same opening size.
Casement Window Brands We Install
We don’t carry every brand. We carry the ones we trust to hold up under South Texas sun and San Antonio temperature swings. Here are three lines we install most often for casement windows:
ECO Window Systems makes an honest, well-built vinyl casement at a price that doesn’t make you wince. Good hardware, clean welds, solid glass packages. A smart choice for homeowners replacing multiple windows on a budget.
Mr-Glass offers a step up in fit and finish. Their casement windows have smooth crank operation and tight seals, and the frames come in finishes that suit both modern and traditional San Antonio homes.
ViewLux is where you go for the view. Their casement windows are designed with narrower sightlines in mind, meaning more glass and less frame. If you’re putting casements in a room with a view, ViewLux deserves a look.
You don’t need to know which brand is right before you call. That’s part of the conversation. We’ll ask about your home, your budget, and what’s driving the replacement, then recommend a specific window from a specific line, with a written price attached.
What Makes Juniper Windows San Antonio Different
We’re not a general contractor that happens to install windows. We’re a windows-and-doors specialist inside the Relay Home Co. family, and we’ve been doing this since 2001. Sean Mackey runs our San Antonio operation, and he holds every install to a standard called the Relay Standard: book in a tap, get a live arrival time, see before-and-after photos, and pay from a digital invoice.
Two commitments define every job we do:
- Written price before any work starts. Not an estimate range, not a “quote subject to change.” A written price covering the window, installation, trim, and disposal. If the scope changes, the price changes in writing before the work changes in the field.
- 365-Day Done Right Promise. If the installation isn’t right, we make it right. That’s parts and labor, in writing, for a full year. If a repair fails after we come back, the second visit is free. No charge, no argument.
Every technician who walks through your door is background-checked and in uniform. You’ll know who’s coming, when they’re arriving, and what they’re doing while they’re there.
Who Is Juniper?
The name isn’t accidental. Juniper is a hardy evergreen built to handle sun, wind, and cold, which is a fitting name for what windows and doors have to endure in San Antonio. The brand philosophy, at home across every market we serve, is that a window should be beautiful, honest, and tough, and the company behind it should be just as transparent.
Each Juniper location is independently owned and operated under the Relay Visibility Guarantee. We’re not a franchise, and we’re not a single national chain operating under multiple names. We’re a local team in San Antonio, backed by the buying power and product access of a larger family of brands.
FAQs – Casement Windows
How much does it cost to replace casement windows in San Antonio?
Casement window replacement in San Antonio typically costs $850 to $1,400 per window, fully installed. The price depends on window size, frame material, glass package, and whether the existing opening needs any repair work. Call (903) 488-7019 for a free written estimate based on your specific windows.
Are casement windows more energy efficient than double-hung windows?
Yes, casement windows generally seal tighter than double-hung windows because the sash presses directly into the frame when closed, where double-hung windows rely on weatherstripping between two sliding sashes. That tighter seal reduces air leakage, which lowers cooling costs in San Antonio’s heat. Expect lower air infiltration numbers on a casement’s NFRC label.
Can you replace just one casement window, or do I need to do all of them?
You can replace just one casement window, and we do single-window jobs regularly. Replacing one won’t void any warranty or create a matching problem if you stick with the same brand and line, though keep in mind that per-window cost drops slightly when you replace multiple openings at once because labor and setup spread across more units.
How long does casement window installation take?
Most casement window installations take one day for one to four windows. A full house of windows usually takes two to three days depending on access, weather, and condition of the existing openings. We’ll give you a written timeframe before the job starts.
Do casement windows work for egress in bedrooms?
Yes, casement windows can meet egress requirements if the opening is sized correctly. San Antonio building codes follow Texas state requirements for bedroom escape routes, and a properly sized casement window, when fully opened, satisfies them. We check egress sizing during measurement and flag any openings that don’t meet current code.
Is it cheaper to repair a casement window or replace it?
Repair is usually cheaper if the problem is limited to a crank mechanism, operator arm, or hinge. Replacement makes more sense when the frame is warped, the glass seal has failed, or the window is drafty. If you’re unsure, we’ll tell you what we’d do in your situation without steering you toward a bigger job than you need. Call (903) 488-7019 and we’ll help you sort repair from replacement.
Call Juniper Windows San Antonio for Casement Windows
You can keep researching, or you can get a written price and a straight answer from a local team that installs casement windows every week in San Antonio. Sean Mackey and our crew work from Cibolo to Helotes, from Alamo Heights to Stone Oak, and everywhere in between.
Call (903) 488-7019 for a free estimate. A live person answers, 24 hours a day, seven days a week. You’ll get a written price, a real arrival time, and a full year of coverage under the 365-Day Done Right Promise. If the window isn’t right, we make it right. That’s the deal.
Written by Sean Mackey, Owner at Juniper Windows San Antonio, serving San Antonio.
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.