New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Austin pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
1. 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.
2. 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.
3. 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
Fast, Reliable Window Replacement Across Lakeway
Window replacement in Lakeway typically runs $850 – $1,400 per window for mid-range vinyl inserts, while full-frame custom work on west-facing lake-view walls starts around $2,200 and can reach $6,000+ for impact-rated PGT or CGI units with large-missile glass. That’s the honest range, and we put it in writing before any work starts. We know Lakeway’s housing stock: big Mediterranean-style homes off Lohmans Crossing, original 1970s lake houses on Challenger and Flagship, and everything in between. Our crews are on Lakeway roads every week, so scheduling is quick and straightforward. Call (325) 420-1750 for a free estimate that includes exact pricing, not a ballpark.
Why Juniper Windows Austin Is Lakeway’s Preferred Window Replacement Company
Lakeway homeowners keep calling us back for one reason: the written price we hand over before ordering a single window is the price on the final invoice. That standard comes from Sean Mackey, who runs Juniper Windows Austin, and it’s backed by the 365-Day Done Right Promise. If something isn’t right within a year of installation, we fix it. Parts and labor. In writing.
Our techs know the difference between a 1978 aluminum slider in the Hills of Lakeway and a 2005 builder-grade double hung off Flint Rock Road. That matters when you’re deciding whether a repair will hold or a replacement is the honest call. Background-checked, uniformed crews show up with a live arrival time you can track on your phone. Before-and-after photos get sent to you, not filed away. The Relay Visibility Guarantee is how we run every job in Lakeway.
Response time to Lakeway from our Austin dispatch is usually same-day for estimates when you call before noon, and most replacements are scheduled within one to two weeks once your windows arrive. You’ll never sit through a four-hour arrival window. You’ll know when we’re coming.
Window Seal Repair in Lakeway
Window seal repair often isn’t the right fix for Lakeway’s older single-pane aluminum windows, and we’ll tell you that before taking your money. Here’s the reality: when a 1970s seal fails, moisture gets between the panes and the glass fogs permanently. On a modern dual-pane unit, a failed seal means the insulating gas has escaped. In both cases, the seal itself isn’t repairable in the field; the glass unit must be replaced. What we actually do is assess whether the frame is worth saving. On newer windows, we can swap the insulated glass unit for $250 – $550 per opening. On original aluminum frames from the 1970s that have already warped, we’ll recommend full replacement because a new glass pack in a dead frame is wasted money.
Fogged Glass and Failed Jambs in Older Lake Homes
Homes along Lake Travis built in the 1970s and early 1980s almost always have original aluminum windows. When the jamb is bowed from decades of Hill Country heat and the sash won’t close flush, a seal repair won’t stop the air leak. We’ve pulled enough of these out of lakeside homes to know the pattern.
When a Seal Replacement Makes Sense
If your windows are from the 2000s or newer and the frame is square, replacing the insulated glass unit is a clean $250 – $550 job per window. We order the exact size, pop the old sash, and install the new glass pack. Same-day turnaround is common on standard sizes.
Energy Efficient Windows in Lakeway
Energy efficient windows in Lakeway start around $850 per opening for a vinyl insert with a low-E coating, and full-frame replacements run $1,400 – $2,800 depending on size and rating. For west-facing walls that catch four hours of afternoon sun off Lake Travis, we spec glass with a Solar Heat Gain Coefficient (SHGC) under 0.25. That’s the spec that keeps your living room from turning into an oven while still giving you the view. Most homeowners see cooling bills drop 15 to 25 percent after replacing original aluminum windows, especially on west and south exposures.
Low-E Glass and SHGC Ratings That Fit Lakeway
Lakeway’s west-facing glass walls need a different glass package than an east-facing bedroom window. We use SHGC-tuned low-E coatings on the west side to block solar heat while letting visible light through. On the east side, a higher SHGC is fine and lets winter sun help with heating. It’s a simple differentiation, but most window quotes don’t address it at all.
Impact-Rated Glass for Storms and Insurance
Hail along Lake Travis is real. We’ve replaced dozens of panels cracked by spring storms. Impact-rated glass from PGT and CGI carries Miami-Dade and TDI approvals, and it’s built to resist wind-borne debris without shattering. The secondary benefit is insurance: many Texas carriers apply wind mitigation credits when impact-rated units are installed. We’ll provide the documentation your agent needs.
Trusted Brands We Service in Lakeway
We stock parts and order glass for PGT, CGI, CWS, and ES Windows, four brands that show up constantly in Lakeway homes. PGT’s 5700 Series is our go-to for lakeside impact work, while CGI’s Sentinel line fits a lot of the Mediterranean-style estates with heavy custom millwork. Since we order from these manufacturers weekly, turnaround for Lakeway customers is faster than a contractor who special-orders from a distributor one job at a time. We also service ViewLux and Therma-Tru when the project includes doors. Tell us during your estimate what brand and series you currently have, and we’ll bring the right materials on the first trip.
Common Window Replacement Problems We See in Lakeway Homes
- Fogged glass from failed seals on 1970s and 1980s lake houses. Original aluminum single-pane windows were never designed for 40 years of Texas heat. The seals fail, the panes fog, and cranking your AC doesn’t help because the insulating value was gone a decade ago.
- West-facing picture windows with the wrong glass. If your living room faces Lake Travis and you close the blinds every afternoon from May through October, your windows weren’t specced for solar load. Low-E glass with SHGC under 0.25 fixes this without losing the view.
- Hail-cracked non-impact glass on lakeside exposures. We see this constantly after spring storms. The glass cracks, but because the unit isn’t impact-rated, it doesn’t qualify for insurance wind mitigation credits. Replacing it with a rated unit costs more up front and typically pays back through premium reductions.
- Warped aluminum jambs that won’t seal against Hill Country dust. When the sash bows, the window never closes tight. Dust from the hills blows in, and AC runs harder. This is a frame failure, not a glass failure, and the honest fix is replacement rather than endless weatherstripping patches.
Pricing for Window Replacement in Lakeway, TX
Here are the numbers we quote Lakeway homeowners every week. Vinyl insert windows: $850 – $1,400 per opening installed. Full-frame replacement with new jambs and trim: $1,400 – $2,800 per opening. Impact-rated PGT or CGI units on lakeside exposures: $2,200 – $6,000+ per window depending on size, custom millwork, and large-missile glazing. Window seal repair / insulated glass unit replacement: $250 – $550 per sash. The biggest variables are size, access (second-story lakeside installs cost more), and whether the existing frame is salvageable. We give you a written price before ordering anything. Call (325) 420-1750 and we’ll come measure, spec the glass, and hand you the exact number.
We Also Serve Cities Near Lakeway
Beyond Lakeway, our crews cover Window Replacement in Lakeway and the surrounding Hill Country communities including Austin, Cedar Park, Lockhart, and Brushy Creek. If you’re on the southwest side of Austin or out toward the hills, we’re already working in your area. Visit our Window Replacement page to see the full scope of what we do.
Serving Lakeway, TX - Our Local Coverage Area
We’re based in the Lakeway 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 Lakeway
They cut cooling bills through the low-E coating and argon-filled insulated glass unit, not the impact rating itself. The impact rating handles hail and wind-borne debris. The low-E coating with SHGC under 0.25 blocks solar heat from entering in the first place, which is what actually reduces AC load on west-facing Lakeway homes. Expect roughly 15 to 25 percent savings after replacing original aluminum windows. Call (325) 420-1750 for an exact heat-gain calculation on your house.
For homes directly on Lake Travis, we recommend large-missile rated units from PGT or CGI that carry Miami-Dade NOA approval or TDI listing for wind zones in Travis County. If you’re a few blocks inland, small-missile rated glass is usually sufficient and costs 20 to 30 percent less. We’ll check your exact location and insurance requirements during the estimate.
Lead times on custom glass and millwork, not labor. A standard vinyl insert can be installed within a week or two. A custom impact-rated picture window for a Mediterranean-style home with matching millwork can take 4 to 8 weeks because the glass is fabricated to spec and the trim is milled to order. We gave the homeowner an exact price in writing and didn’t start until the glass arrived, which is how every job should go. Call (325) 420-1750 and we’ll tell you the real timeline for your specific windows before you commit to anything.
Because the sun hits them differently. West-facing glass absorbs the strongest afternoon sun, so we spec SHGC under 0.25 to block the heat while keeping the view. East-facing windows get gentler morning sun; making them low-SHGC would actually cost more and block free winter heat. It’s a spec difference most contractors never mention. We write it into every Lakeway quote.
Yes. We have millwork partners who reproduce the arched casings, deep sills, and oversized trim common on Lakeway’s Mediterranean and Hill Country homes. You won’t get a generic white vinyl insert jammed into a custom opening and called done. The millwork gets quoted as a line item in the written price before we order anything.
Written by Sean Mackey, Owner at Juniper Windows Austin, serving Lakeway with written-price window replacement and the 365-Day Done Right Promise.
Six Reasons Homeowners Choose Juniper Windows Austin
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
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.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.