Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Leander
Window replacement in Leander, TX runs $450-$950 per window for inserts and $750-$1,500 per window for full-frame work on most tract homes, and the job typically takes one to two days once permits clear. We’ve worked in Crystal Falls, Bryson, and along Ronald Reagan Boulevard enough to know exactly what the 2005-2012 builder-grade windows look like at year fifteen: fogged seals, chalked frames, and sashes that bind from black-clay soil movement. Call (888) 635-0804 and a live person answers, right then, no phone tree.
Why TruePane Windows & Doors Is Leander’s Preferred Window Replacement Company
Our Window Replacement crew has been in and out of Leander neighborhoods for years, and we know the houses. Most of what we quote in ZIPs 78645 and 78646 is the same job: a builder-grade vinyl double-hung installed sometime between 2005 and 2020, now failing under central Texas UV. That concentration means we stock the parts and trim profiles for the common tract-home window footprints, so we’re not ordering sight-unseen and hoping. We measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves your driveway. That’s the Keystone Standard, and it’s been the way Dale Kessler has run TruePane since he founded it in 2008.
Leander homeowners call us because they’ve lived in their house for fifteen or twenty years and plan to stay another twenty. They remember the contractor who left a fogged seal and a door that binds in July. We’re not the cheapest bid, and we don’t try to be. We’re the last call you need to make on a window, because the work is done right and the paperwork is in your hand when we leave.
Our Window Replacement Services in Leander
Full Frame Replacement
This is the job Leander tract homes need most often once they hit the 15-to-20-year mark. The old window comes out down to the rough opening, we re-shim the opening plumb (more on why that matters below), set new flashing, and install a new unit rated for local wind load. Most full-frame work in Leander runs $750-$1,500 per window depending on size and product line. You get a square, sealed opening with new interior and exterior trim.

Insert Window Replacement
When the original frame is still sound and square, an insert drops into the existing opening without disturbing trim or drywall. In Leander, inserts are common for the 2010-2020 wave of homes in Bryson and near Route 183 where the frames haven’t rotted but the insulated glass units are failing. Insert work runs $450-$950 per window. It’s faster and leaves your siding alone.

Storm Window Replacement
Leander sits inside the central Texas hail corridor, and we get called after a storm for dented frames, cracked glazing, and screens that look like a golf driving range hit them. If your original builder install skipped impact-rated glazing, post-storm wind-load tests can reveal problems the naked eye misses. We replace storm-damaged units with products from PGT and CGI, both of which carry the structural and missile ratings this market should have had from day one.

Energy-Efficient Upgrade
Summer temperatures in Leander routinely pass 100°F, and the UV load is brutal on glazing seal compounds. A switch from builder-grade clear double-pane to low-E, argon-filled glass can cut the heat coming through each window meaningfully, especially on west-facing walls. We quote Andersen, Marvin, Milgard, and other lines side by side on paper so you see exactly what you’re buying and what each upgrade costs. Expect $550-$1,100 per window for energy-efficient inserts on a typical Leander home.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Leander
TruePane is an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, and ES Windows. For Leander specifically, we keep common replacement parts and hardware for the tract-home window footprints we see most often in Crystal Falls and Bryson, which means less waiting on shipped parts. If you’re looking at PGT or CGI for storm-rated glazing, or Andersen and Marvin for a long-term energy upgrade, we’ll quote all of it on paper so you can compare apples to apples.
Common Window Replacement Problems We See in Leander Homes
- Fogged insulated glass units on 2005-2012 tract homes. The original builder-grade double-hung windows had seal compounds that degrade fast under Leander UV. By year fifteen, the argon is gone and the glass fogs between the panes.
- Out-of-square rough openings from Vertisol clay heave. The expansive black-clay soils under Leander slabs shrink and swell with seasonal moisture. That movement racks rough openings enough that a new window won’t sit true unless the opening is re-shimmed plumb first.
- Hail-damaged frames and cracked glazing that never got impact-rated glass. Builders in the 2005-2012 boom mostly skipped impact-rated units. After a hail season, those windows can fail wind-load tests and leave you fighting an insurer without documentation.
- Chalked, UV-degraded vinyl frames losing their finish by year twelve. Intense central Texas sun breaks down the vinyl’s surface. The frame still functions, but it’s an eyesore and an early signal the seals aren’t far behind.
Pricing for Window Replacement in Leander, TX
A typical insert window replacement in Leander runs $450-$950 per window, including labor, flashing, and the new unit. Full frame replacement on a standard tract-home double-hung is $750-$1,500 per window. Energy-efficient upgrades with low-E argon glass add roughly $100-$200 per window over base glass, depending on the line. What changes the number: window size, product line (Andersen versus ES Windows versus PGT impact), accessibility (second-story or tight exterior clearance), and whether the rough opening needs corrective re-shimming after soil movement. We give you a fixed line-item quote before work starts, and the number on that paper is the number you pay. Call (888) 635-0804 for a free estimate.
What Leander Code and Insurance Actually Require
Leander sits at the transition between the Edwards Plateau and the Blackland Prairie, and the city enforces the International Residential Code with Texas wind-load amendments specific to this region. For replacement windows, that means a design wind speed rating of 110 mph for most residential structures in Williamson County. Impact-rated glazing is not required for every Leander home, but if your house sits in a more exposed area or you want documented storm protection, PGT and CGI lines carry the ratings that hold up after hail season. A compliant quote includes the permit application, the product’s wind-load documentation, and a final inspection with Williamson County. A cheap quote often skips the permit and the paperwork, and then you’re the one explaining to an insurance adjuster why you can’t prove what was installed. We pull permits, pass inspections, and hand you documentation your insurer will accept.
We Also Serve Cities Near Leander
Our crews cover Leander and the surrounding area, including Cedar Park, Spicewood, Round Rock, and Mc Neil. If you’re just outside the city limits and wondering whether we make the drive, call us. Dispatch and scheduling are coordinated from our Austin office, and we keep crews scheduled into Leander neighborhoods every week.
Serving Leander, TX - Our Local Coverage Area
We’re based in the Leander 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 - Window Replacement in Leander
Leander enforces the IRC with Texas amendments that require a design wind speed of 110 mph for most residential windows in the area. Your replacement windows need to carry documentation showing that rating for the permit to clear. We include that paperwork in every quote.
Call (888) 635-0804 to get a quote that shows the wind-load rating on paper.
Because Leander sits on expansive Vertisol clay that moves with moisture, and by the time your 2008-era window comes out, the rough opening underneath is rarely square. If you set a new window into a racked opening without re-shimming, the sash binds and the seals fail early. We pull the original frame, shim plumb, and set new flashing every time.
Yes, and the difference is most noticeable on west-facing walls that take the afternoon sun. Low-E coatings reflect the infrared heat that drives your AC in July and August. Argon fill slows conductive heat transfer. A typical 2007-era Leander home with builder-grade clear glass will see a measurable drop in cooling load after switching to low-E argon units.
Yes and yes. Williamson County requires a final inspection after permitted window work. The inspection confirms the units are installed to the approved plan and wind-load rating. Your insurance company cares because after a storm, the adjuster will want documentation that the replacement windows met code. Without the permit and inspection record, you’re arguing with less paper.
We handle the permit, schedule the inspection, and hand you the final documentation. Call (888) 635-0804 for an exact quote.
It’s common, but not the way it should be. The insulated glass unit’s edge seal degraded under Leander’s heat and UV load, the argon fill leaked out, and moisture got between the panes. You can’t repair the seal once it’s failed; the unit needs replacement.
Get a free estimate at (888) 635-0804 and we’ll tell you whether an insert or full-frame replacement fits your opening.
Call TruePane for a Free Window Replacement Estimate in Leander
We’re a second-generation glazier’s shop, founded by Dale Kessler, and we’ve been serving communities like Leander since 2008 through the craft he grew up in. We hire local, train apprentices into journeymen, and act like a company that plans to be in town in thirty years. Every job carries the Done Right Promise: if it’s not done right, we make it right, with no paperwork fights and no arguing. Call (888) 635-0804 and ask for your free estimate. A live person answers, and we’ll schedule a time that works for you.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Leander, TX.



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