New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight 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
Why Austin Homeowners Choose Therma-Tru Windows & Doors
We provide independent Therma-Tru windows and doors service across Austin, from full-frame entry door replacements to precision hinge and seal adjustments on Classic-Craft and Smooth-Star systems already in your home. What sets our Therma-Tru work apart is that we see the specific ways these doors and windows fail in Central Texas: clay soil shifting foundations, relentless west-facing sun, and hail seasons that stress impact-rated glass. We’re an independent Therma-Tru service provider, not a factory-authorized dealer, which means we recommend what the door actually needs rather than what a manufacturer program tells us to push. Call (254) 322-3468 to talk through what you’re seeing.
Why Trust Westlight Windows Austin for Your Therma-Tru Windows & Doors?
Owen Satterfield, owner at Westlight Windows Austin, came up through the building construction program at Los Angeles Trade-Technical College before setting up shop in Texas, and his measuring habit on the front end has kept callbacks close to zero. For Therma-Tru work specifically, that matters, because most door failures we correct in Austin are alignment problems that start with a slightly off measurement or a hinge that wasn’t adjusted for the slab’s weight. Our techs know the Classic-Craft multi-point lock geometry, the Smooth-Star skin tolerances, and the Pulse Series glazing details well enough to diagnose over the phone half the time. We install OEM Therma-Tru components when they’re available locally, and when they’re not, we use aftermarket parts that match or beat the original spec. Every job gets the Kingswell Guarantee in writing before work starts: the price, the arrival window, the cleanup standard, and the written warranty on the finished work.
Common Therma-Tru Windows & Doors Problems We Fix in Austin
Here’s what we actually see on Therma-Tru products in Austin homes, not what a product brochure lists:
- Sagging Classic-Craft slabs with jammed multi-point locks. Austin’s expansive clay soil shifts with moisture, and foundations move enough to throw a heavy fiberglass door out of square by a quarter inch. That’s all it takes for the shoot bolts to bind halfway. We re-shim hinges, reset strike plates, and get the three-point lock engaging with one motion again.
- Hairline cracks in Smooth-Star fiberglass skins. West-facing entries in neighborhoods like Rosedale and Crestview take direct afternoon sun for years. The fiberglass skin expands and contracts until hairline stress cracks appear, usually near the bottom corners or around the handle bore. If the crack is in the outer gel coat only, we can repair it. If it runs through the fiberglass, the slab needs replacement to keep water out.
- Fogged glass on Pulse Series windows. The insulated glass units in Pulse windows can develop failed perimeter seals after Austin’s humid springs and broiling summers. You’ll see condensation between the panes that won’t wipe off. That’s a seal failure, not a cleaning issue, and it usually calls for an IGU replacement rather than a full window.
- Warped Tru-Defense door slabs on south-facing exposures. Impact-rated doors need proper thermal breaks during installation. When they were originally installed without them in full sun, the slab can develop a visible bow. A warped Tru-Defense unit often loses its storm-rating integrity, so we evaluate the slab carefully and usually recommend replacement over trying to straighten it.
- Degraded weatherstripping and adjustable sills. Austin’s UV intensity breaks down Therma-Tru weatherstripping faster than most homeowners expect. Drafts, dust, and water intrusion at the threshold are usually a $40-$90 weatherstripping and sill cap fix rather than a new door, and we’ll tell you that straight instead of selling a replacement.
Therma-Tru Parts & Our Repair-vs-Replace Approach
We stock the Therma-Tru components that fail most often in Austin: adjustable sill caps, compression weatherstripping, multi-point lock strike plates, and hinge sets for Classic-Craft and Smooth-Star systems. When a hinge set goes out of production, we source aftermarket equivalents that match the original load rating and mounting pattern. For IGUs on Pulse Series windows, we order glass packs from local distributors with the right low-e coating and argon fill to match what’s in your existing sash.
The repair-versus-replace call depends on structural integrity. A door slab with cracks through the fiberglass skin or a Tru-Defense unit with failed impact laminate gets replaced, because cosmetic patching won’t restore the storm rating or the water barrier. A misaligned lock, worn weatherstripping, or a fogged IGU gets repaired, because those are component failures on an otherwise sound unit. We’ll walk you through the numbers before you commit. Call (254) 322-3468 and tell us what’s failing; we’ll give you a straight read.
Our Therma-Tru Service Process – Step by Step
- 1
Diagnosis. We measure the slab, check the reveal gaps, test the multi-point lock throw, and look for signs of foundation movement or UV damage. On Pulse Series windows, we inspect the IGU perimeter for seal failure and check the sash balance. Owen’s rule applies here: measure it right the first time and the rest of the job takes care of itself.
- 2
Repair or install. For repairs, we adjust hinges, reset strike plates, replace weatherstripping, or swap IGUs using OEM parts where available. For full replacements, we pull the old unit, correct any rough opening issues, set the new Therma-Tru door or window in place, shim it square, and fasten to spec.
- 3
Testing. Every door gets opened and closed through its full range, the multi-point lock cycled, and the threshold checked for a complete seal. Windows are checked for smooth operation and clean sightlines. We verify the slab doesn’t bind in any season by leaving proper expansion clearance.
- 4
Cleanup and warranty. We leave the job site cleaner than we found it and hand you the written Kingswell Guarantee before we leave. If anything fails within the guarantee period, we come back and fix it at no charge. That’s the 365-Day Done Right Promise, in writing.
Therma-Tru Products We Service & Install in Austin
Our Therma-Tru practice covers the lines most common in Austin homes. We service and install Classic-Craft Fiberglass Entry Door Systems, the workhorse door line we see most often in 1980s and 1990s suburban builds. We handle Smooth-Star Fiberglass Entry Doors, including slab replacements on west-facing entries with UV stress. We install and repair Pulse Series Vinyl Windows, including IGU swaps on fogged units. And we service Tru-Defense Impact Door Systems for homeowners who need storm-rated protection as hail seasons get more aggressive. We keep common adjustment and sealing components stocked locally so we can turn most repairs around in a single visit.
We Also Service These Brands
Therma-Tru is one of eight manufacturer lines we carry and service, not our only focus. We also install and repair PGT and CGI impact windows, CWS aluminum products, and ES Windows systems. When a home needs mixed work, say a Therma-Tru front door plus PGT impact windows on the back elevation, one crew handles all of it.
FAQs – Therma-Tru Windows & Doors Service in Austin
No. We’re an independent Therma-Tru service provider, not a factory-authorized dealer or warranty station. That means we diagnose what the door or window actually needs without being bound by factory service-channel rules. We use OEM parts when they’re available locally and source proven aftermarket components when the original parts are out of production.
Yes, and we install them whenever they’re available through local distributors. For out-of-production hinge sets, adjustable sills, and weatherstripping, we use aftermarket parts that match or exceed the original spec. We’ll tell you which parts come from Therma-Tru and which are aftermarket, in writing, before the work starts.
Most hinge adjustments, weatherstripping replacements, and lock repairs take 60 to 90 minutes on site. Full slab replacements on Classic-Craft or Smooth-Star doors typically run half a day. Pulse Series IGU swaps are usually a one-visit job. We stock common components locally, so many repairs don’t require waiting on a distributor order. Call (254) 322-3468 and tell us the symptom, we’ll give you a realistic time frame.
We service and install Classic-Craft Fiberglass Entry Door Systems, Smooth-Star Fiberglass Entry Doors, Pulse Series Vinyl Windows, and Tru-Defense Impact Door Systems. If you have an older Therma Tru in Georgetown or elsewhere not on that list, call us; we’ll tell you honestly whether we can get parts for it or whether replacement makes more sense.
If your product is still under Therma-Tru’s factory warranty, some repairs may need to go through an authorized service channel to keep that warranty intact. We’ll flag that upfront and help you understand your options before we touch the door. For products out of warranty, which is most of what we see in Austin, our Therma Tru repair in Austin carries the Kingswell Guarantee instead, in writing, on every job.
Most Leander Therma Tru service calls and Austin repairs run $120 to $450 for hinge adjustments, weatherstripping, and lock resets. IGU replacements on Pulse Series windows typically fall in the $350 to $800 range per sash depending on glass size and coating. Full Therma-Tru door slab replacements usually run $1,800 to $4,500 installed depending on the model, glass package, and hardware. Every job gets a written price before any work starts, no door-step revisions. Call (254) 322-3468 for an exact quote; estimates are free.
It’s usually a door-side adjustment, not a foundation problem. Austin’s clay soil does shift homes, but most bottom-seal gaps on Classic-Craft doors come from an adjustable sill that’s been knocked out of position or hinge screws that have backed out and let the slab drop. We measure the reveal gaps and check the threshold first. If the slab is square and the sill is the problem, it’s a $40-$90 component fix, not a re-hang.
Yes, if the cracks are confined to the outer gel coat. We sand, fill, and refinish those so they don’t spread. If the crack runs through the fiberglass reinforcement itself, usually visible as a darker line that widens under pressure, the slab should be replaced. Water gets into the core and the door loses its structural integrity. We’ll tell you which situation you have after one look.
It means the insulated glass unit’s perimeter seal has failed. The argon or krypton fill has escaped and humid Austin air is now inside the unit. The glass itself is fine, but the IGU needs replacement to restore the insulation value and clear the fog. On Pulse Series windows, this is a sash-level glass pack swap through our Window Replacement services, and we match the low-e coating and gas fill to your existing windows.
Depends on the slab. If the impact laminate is intact and the hail only damaged the outer skin or the finish, repair is usually worth it. If the laminate shows delamination, visible bowing, or cracks that penetrate the impact layer, the door has lost its storm rating, and replacement is the only responsible call. Last week our crew pulled a Therma-Tru Classic-Craft entry door in Barton Hills where the multi-point lock kept jamming halfway. We found the adjustable hinge screws had backed out from years of opening against the prevailing wind, letting the slab drop just enough to bind the shoot bolts. We re-shimmed the hinges, reset the strike plates, and the three-point lock now engages with one motion. That’s the kind of repair that costs a fraction of a new door, and it’s the first thing we check before recommending replacement.
Temperature swings in Austin cause the door slab and frame to expand and contract at slightly different rates. If the hinges and strike plates are set too tight, the door will bind in hot weather and loosen in cold. We set Therma-Tru doors with seasonal expansion clearance and adjust the multi-point lock throw so the shoot bolts engage smoothly across the full temperature range the door actually experiences here. Call (254) 322-3468 and describe what’s sticking; we’ll tell you if it’s an adjustment or something deeper.
Book Your Therma-Tru Service in Austin, TX
If your Therma-Tru door isn’t sealing, locking, or sitting square, call us at (254) 322-3468. We’ll talk through the symptom, give you a straight read on repair versus replacement, and schedule a time that works. The estimate is free, and the price we give you in writing before work starts is the price you pay.
Written by Owen Satterfield, Owner at Westlight Windows Austin, serving Austin since 2009.
Six Reasons Homeowners Choose Westlight 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.