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
Fast, Reliable Window Replacement Across Kirby
Window replacement in Kirby, TX typically runs $450 – $1,200 per window for vinyl retrofits, and $800 – $2,400 per opening when full-frame work or impact-rated glass is involved. Your actual price comes down to window size, frame condition, and whether we’re dealing with the original single-pane aluminum units still sitting in many Kirby ranch homes. Juniper Windows San Antonio serves all of Kirby, from the neighborhoods off Ackerman Road down to the streets branching off Binz-Engleman, and we answer the phone with a live person every time you call (903) 488-7019.
Here’s what you should know before your first estimate: older Kirby homes often hide issues behind those original frames. Corroded jambs, undersized rough openings, and failed flashing don’t show up in a photo. Our crews see them firsthand on nearly every 1950s – 70s ranch we open up. That’s why we give you a written price before the first screw turns, and why we document any changes in writing before we touch the wall.
- Written price before work starts – no estimate that morphs into a surprise invoice.
- 365-Day Done Right Promise – if it’s not right, we make it right, parts and labor, in writing.
- Live phone answered 24/7 – a real person picks up, every time.
- Background-checked, uniformed techs – you know exactly who’s walking through your door.
Why Juniper Windows San Antonio Is Kirby’s Preferred Window Replacement Company
Kirby homeowners deal with a specific set of window problems: aluminum frames corroding from decades of South Texas humidity, warped sashes that won’t seal, and jalousie louvers that leak wind-driven rain into utility rooms. Most national window companies don’t have crews who can walk into a 1963 brick veneer ranch, identify a narrow rough opening, and tell you before cutting anything whether a standard replacement unit will fit or crack your interior plaster. Ours can.
We’re part of the Relay Home Co. family, founded in 2001, and every Juniper location is independently owned and operated. Sean Mackey leads our team, and the standard he set is simple: write the real price down before any work starts, and stand behind the finished job for 365 days. That’s not a slogan. It’s in writing on every project we do in Kirby.
When you book with us, you get The Relay Standard every time: book in a tap, a live arrival time you can track, before-and-after photos of every job, a written price, and a digital invoice you can pay from a link. No four-hour windows. No no-shows. No quote that changes at the door.
Energy Efficient Windows in Kirby
Energy efficient windows in Kirby aren’t a luxury upgrade. They’re the single highest-impact change you can make to a 1950s – 70s ranch that’s still running original single-pane aluminum. Kirby summers routinely push into the upper 90s with humidity that saturates aging frames, and those old windows bleed cooled air straight out of the house. Replacing them with low-E insulated glass units, usually PGT or Mr-Glass vinyl, drops the solar heat gain and stops the condensation cycle that’s been eating your frames alive.
Here’s what we typically install in Kirby: insulated vinyl replacement windows with low-E coatings, warm-edge spacers, and weatherstripping rated for high humidity. The Window Replacement team sizes each unit to your existing openings, which matters a lot in this city. Kirby homes often have shallow 2×4 walls and narrow rough openings that won’t accept a deep-pocket window without reframing. We measure before we order, so the window that shows up is the window that fits.
Low-E Glass and Why Kirby Humidity Makes It Worth It
Low-E coatings are microscopically thin metallic layers that reflect heat while letting light pass. In Kirby, where UV exposure is intense for months at a stretch, that means your floors and furniture stop fading, and your AC stops fighting sunlight. We’ve seen Kirby homes cut summer cooling loads noticeably after replacing jalousie louvers with insulated fixed units.
You’re looking at roughly $550 – $900 per window for a standard double-hung vinyl replacement, and closer to $1,100 – $2,400 when we’re reframing an opening for an impact-rated casement or fixed unit. Every quote is written, and the price you sign is the price you pay.
How Long Does an Energy-Efficient Upgrade Take?
Most Kirby homes with 8 – 12 windows finish in one to two days. If we’re reframing openings to accept larger insulated units, you’re looking at two to three days, and we’ll schedule it so you’re not living without windows overnight. We coordinate permit pulls and inspections before we ever show up with a saw.
Window Repair in Kirby
Window repair in Kirby usually comes down to one of three things: corroded aluminum frames, failed seals letting humidity between the panes, or sashes that bind at the jamb from years of moisture swelling. On a 1960s ranch, you might not need full replacement. A repair can buy you years, and it costs significantly less than a new window. We’ll give you the honest picture: repair what’s repairable, replace what’s not.
What does repair actually run in Kirby? Replacing a failed insulated glass unit runs $180 – $350 per window. Rebuilding a corroded aluminum sash, where we can save the frame, usually lands around $250 – $450. If the frame itself is pitted and the rough opening is compromised, repair stops making sense, and we’ll tell you that straight up. We don’t sell replacements when a repair will do the job.
When Repair Isn’t Worth It
Kirby’s humidity is brutal on aluminum. Once corrosion reaches the jamb and starts eating the frame, the structural integrity is gone. You’ll see it as white chalky powder around the edges, sashes that won’t close square, and condensation that never dries out. At that point, saving the frame is throwing good money after bad. Replacement costs more up front, but a new vinyl unit ends the cycle.
Sash and Track Rebuilds
If your sashes still slide but bind mid-track, we can often rebuild the track assembly and replace the weatherstripping. Your windows seal again, and you stop feeding the thermostat. Typical cost: $150 – $280 per window, including new wool pile and sill bead. Free second visit if the repair fails, no charge, no argument.
Trusted Brands We Service in Kirby
We stock and install PGT, Mr-Glass, Therma-Tru, and ViewLux, among our eight product lines. That covers impact-rated windows built for South Texas, vinyl replacements that handle humidity without warping, and fiberglass entry doors that hold up to Kirby’s sun. Because we’re not tied to one manufacturer, the right window for your project isn’t a compromise. For Kirby ranch homes with narrow openings, Mr-Glass vinyl retrofits and PGT impact-rated casements solve the two problems we see most often. We keep local inventory for the common Kirby sizes, so turnaround on replacement parts and window orders is measured in days, not months.
Common Window Replacement Problems We See in Kirby Homes
- Corroded aluminum frames at the jamb. Decades of condensation from South Texas humidity have eaten through the original metal on many 1950s – 70s homes. The sash binds, the seal fails, and eventually the frame itself starts to powder.
- Narrow rough openings in brick veneer ranches. Kirby’s post-WWII homes were built for thin single-pane aluminum. Standard modern replacement windows are deeper, and without careful measurement or light reframing, they crack interior plaster or push out stucco trim.
- Failed waterproofing around old jalousie louvers. Porch and utility room louvers were never built to seal against wind-driven rain. Water works into the subfloor, rots it, and by the time you see the damage, the repair bills have already started.
- Undersized headers above original window openings. When we open up an older Kirby wall to replace a window, we sometimes find the framing doesn’t meet current code for span. We reframe and pull the permit so the work passes inspection, and the change is priced and approved in writing before we touch it.
Pricing for Window Replacement in Kirby, TX
Expect to spend $450 – $1,200 per window for a standard vinyl retrofit in Kirby, which covers the unit, removal of the old sash, and installation. Full-frame replacements, where the entire old frame comes out and we reframe the opening, run $800 – $2,400 per window. The difference is driven by size, whether we’re reframing, and whether you need impact-rated glass. A full house of 10 windows in a typical Kirby ranch usually lands in the $5,000 – $18,000 range. Every project gets a written price before work starts, and any surprise we find behind the wall gets a written change order with a price you approve first. No vague “it depends” without actual numbers, no invoice that shocks you at the end. Call (903) 488-7019 for a free estimate.
We Also Serve Cities Near Kirby
Our crews serve Kirby and the surrounding area, including San Antonio, Fair Oaks Ranch, Windcrest, and Leon Valley. If you’re just outside Kirby and wondering whether we cover your street, call us. The answer is almost always yes.
Serving Kirby, TX - Our Local Coverage Area
We’re based in the Kirby area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Window Replacement in Kirby
Yes, Kirby requires a building permit for window replacement, especially if the opening is being enlarged or reframed. Replacing like-for-like with no structural change may not require one, but any enlargement triggers current wind-load and egress requirements, which often means adding a proper header or upsizing a bedroom window to meet emergency escape codes. We pull the permit, schedule the inspection, and write any code-upgrade cost into your contract before work begins. Call (903) 488-7019 for the exact scope on your house, and the estimate is free.
In most Kirby ranches, yes. We remove the jalousie assembly from inside, and we install an impact-rated fixed or casement unit sized to the existing rough opening, preserving the shallow 2×4 wall depth and the stucco trim outside. If the opening needs to be enlarged for a better view or more light, then we do cut stucco, but we flash and reseal it so the repair line disappears. Either way, you get a written price before we cut anything.
If you see white chalky powder around the jamb, sashes that won’t close square, or condensation between the panes that never clears, the frame is likely beyond repair. Aluminum that’s pitted and corroded through can’t hold a seal or a sash. We’ll do a free inspection and show you the difference between a repairable sash and a frame that needs full replacement, and we’ll quote both numbers. The call costs nothing.
Kirby homeowners who replace original single-pane aluminum with Low-E insulated vinyl typically see their summer cooling loads drop, though the exact dollar figure depends on your home’s orientation, tree cover, and AC efficiency. The glass itself blocks a big share of solar heat gain, and the tighter weatherstripping stops humid air from leaking in. Many Kirby customers report the upstairs rooms that used to run 8 – 10 degrees warmer finally hold temperature. We can walk through your windows and show you which ones are doing the most damage. Call (903) 488-7019 to schedule a free look.
Yes. We carry trim profiles that match the original ranch casings common in Kirby, and our installers rebuild the sill and apron to match the rest of the house. When we enlarge an opening, the new trim goes in clean, primed, and ready for paint, and we match the reveal lines so the new window doesn’t look like an afterthought. We’ve done this work on homes off Binz-Engleman Road and throughout the city, and the result reads original.
Written by Sean Mackey, Owner at Juniper Windows San Antonio, serving Kirby and the San Antonio area.
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.