New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows Dallas 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
Therma-Tru Windows & Doors in Dallas, TX | Westlight Windows Dallas
Westlight Windows Dallas provides independent Therma-Tru door service and replacement across Dallas, from full frame tear-outs on 1970s brick ranches to glass swaps after hail season. We also offer Dallas Window Replacement for homeowners looking to upgrade their full entry systems. We carry Therma-Tru-spec weatherstripping, thresholds, and hinge hardware, and our crews have diagnosed thousands of Texas heat and hail failures on Smooth-Star, Classic-Craft, and Fiber-Classic doors. The thing that separates our Therma-Tru work here? We know how Dallas homes are actually built: soldier-course brick arches, inset jambs, sprinkler-soaked brick mould, and doors that bake on west-facing entries from June through September. Call (361) 441-0865 for a free estimate on any Therma-Tru door repair or replacement.
Why Dallas Residents Choose Us for Therma-Tru Service
We’re an independent Therma-Tru service provider, not a manufacturer-authorized dealer, which means we answer to you rather than a brand rep. When a door panel cracks or a threshold rots, we tell you straight whether it’s worth repairing or whether replacement makes more sense. Owen Satterfield, our owner at Westlight Windows Dallas, learned the windows and doors trade at Los Angeles Trade-Technical College before relocating to Texas, and he’s spent over two decades measuring openings, rebuilding jambs, and never upselling a homeowner on hardware they don’t need. His rule is simple: “If I wouldn’t put it on my own house, I’m not putting it on yours.”
We install and service Therma-Tru doors on the homes Dallas is actually made of: 1950s-through-1990s brick veneer ranches and two-story builds with original openings that have shifted, settled, and been patched by three different contractors. That matters because a Therma-Tru door is only as good as the jamb it hangs in. Our Therma-Tru sales & service work starts with the opening, not the slab.
Common Therma-Tru Windows & Doors Problems We Solve in Dallas
- Warped door slabs on west-facing entries. Dallas afternoons push surface temperatures past 130°F on doors that catch full sun. Smooth-Star fiberglass slabs, especially darker finishes, can bow enough to throw the latch out of alignment. We check deflection with a straightedge and decide whether a hinge adjustment or a slab replacement is the honest fix.
- Failed compression weatherstripping on Classic-Craft frames. The original gaskets on Classic-Craft Mahogany and Oak doors compress and crack after enough Dallas summers. You’ll feel hot air and dust bleeding in around the top and latch side. We replace with Therma-Tru-spec weatherstripping rather than generic foam that fails in a season.
- Frame rot at bottom corners from sprinkler spray. Dallas lawns get watered year-round, and brick mould that catches repeated sprinkler hits rots at the bottom corners. This is chronic in older subdivisions where irrigation heads sit within three feet of the entry. We cut out and rebuild the affected sections with pressure-treated stock before they spread into the rough opening.
- Shattered door glass from hail. Grapefruit-sized hail along the I-30 corridor has destroyed more sidelights and decorative glass inserts than we can count. We source exact-fit Therma-Tru glass packs or quality aftermarket replacements and get the door weathertight again, usually without ripping out the whole frame.
- Water-swollen bottom rails. When a door’s bottom rail has soaked up enough moisture to deflect more than 1/4-inch, patching is a wasted effort. In Dallas, we see this on Fiber-Classic doors whose original sweeps wore out years ago. At that point we recommend full replacement rather than rebuilding a slab that will fail again.
Therma-Tru Service in Dallas: What Local Conditions Mean for Your Equipment
In Lake Highlands, the brick veneer ranches from the 1970s dominate whole streets, and many original Therma-Tru entry doors sit inset 3/4-inch behind a soldier-course brick arch. That setback changes everything when you’re upgrading to modern multi-point locks. The new strike plates and keeper assemblies need a jamb extension to sit flush, or the lock binds against the brick return. In neighboring Richardson, most framing-flush installs don’t have this problem. But in Lake Highlands, a simple hardware upgrade frequently becomes a full tear-out with custom jamb extension work. Owen and our crews have done enough of these on streets off Ferndale and around White Rock to know exactly what the rough opening will look like before we pull the first casing nail. If your Therma-Tru door sits proud of the brick line, you’re lucky. If it’s recessed, we plan for the extension from day one rather than discovering it mid-job and revising the price at the door, which is the kind of surprise no Dallas homeowner should have to absorb.
One job sticks in our memory. On Ferndale Road in Lake Highlands, a hailstorm cracked a sun-blasted Smooth-Star sidelight and jammed the deadbolt. When we pulled the casing, the original rough opening was off-square 5/8-inch. We rebuilt the jamb with pressure-treated filler and installed a new Fiber-Classic unit with a low-E glass pack rated for 130°F surface temperatures. The door’s been through three hail seasons since and still latches with one finger.
Therma-Tru Models & Products We Service in Dallas
We service the Therma-Tru lines installed across Dallas over the past four decades. Smooth-Star fiberglass entry doors, the workhorse of 1980s and 1990s ranch homes, are the most common call. Classic-Craft Mahogany Collection and Fiber-Classic Oak Collection doors show up on newer custom builds and remodels throughout the northern suburbs. The Pulse Series, early-2000s insulated steel doors, still hangs on plenty of two-story homes in Mesquite and Coppell. For parts, we use Therma-Tru-spec weatherstripping, thresholds, and hinge hardware when available, and exact-fit aftermarket fiberglass patch kits for panel cracks. We stock common weatherstripping profiles and thresholds locally so most Dallas service calls don’t wait on a parts truck from out of state.
Therma-Tru Service Pricing in Dallas
Most Therma-Tru door repairs in Dallas run between $180 and $500 depending on what’s actually wrong: a weatherstripping replacement sits at the low end, while a threshold rebuild with frame repair lands higher. Full door replacement, including a new Therma-Tru slab, jamb work, and hardware, typically runs $1,800 to $4,500 installed depending on glass packs, sidelights, and whether the rough opening needs correction. If your door needs custom jamb extension for a brick-arch setback, that adds labor but we price it in writing before any work begins. Every estimate we give includes the full line-item cost, and it doesn’t change at the door. Call (361) 441-0865 to schedule a free estimate and get your exact number.
Serving Dallas, TX - Our Local Coverage Area
We’re based in the Dallas 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 – Therma-Tru Windows & Doors in Dallas
It depends on two things we check in person: whether the slab has warped or cracked beyond repair, and whether the jamb is still square and structurally sound. Hail typically destroys the glass and weatherstripping rather than the fiberglass slab itself, so many Smooth-Star doors can be re-hung with new glass packs, new weatherstripping, and a hinge adjustment. If the jamb is rotted or the rough opening has shifted, full replacement is the honest call. Call (361) 441-0865 and we’ll give you a straight answer after looking at the door, no charge for the estimate.
The short answer is thermal expansion and humidity. White Rock Lake sits in a pocket of Dallas where morning humidity runs higher than surrounding neighborhoods, and wood-stave Classic-Craft cores absorb that moisture. In summer, the slab swells slightly on the hinge side and the top corner drags against the frame. In winter, drier air shrinks the slab back. The fix is usually hinge adjustment and a slight top-corner relief, but we also check for frame rot from sprinkler spray that makes sticking worse. Call (361) 441-0865 for a service visit.
Not a different spec, but a different maintenance reality. Both neighborhoods use the same Therma-Tru compression weatherstripping, but Lake Highlands doors are far more likely to sit close to irrigation heads that soak the brick mould and bottom corners. When we replace weatherstripping on a Lake Highlands door, we also rebuild any water-softened frame sections so the new gasket has a solid surface to seal against. In Richardson, we typically replace just the weatherstripping. The product is the same; the prep work changes.
In most cases, yes, we can replace just the glass or the sidelight. Therma-Tru doors are built with replaceable glass packs, and we order exact-fit units or quality aftermarket equivalents. You only need full door replacement if the slab itself is cracked, the frame is rotted, the rough opening has shifted, or the bottom rail has swollen past 1/4-inch deflection. We’ll tell you which one applies to your door. Call (361) 441-0865 for a free assessment.
Rebate eligibility depends on the utility program, not the brand. Dallas homeowners in Oncor Electric Delivery territory can sometimes qualify for whole-home efficiency rebates when door replacement is bundled with other improvements, but a single entry door swap rarely triggers a rebate on its own. The more important calculation is comfort: a 1990s Therma-Tru with failed weatherstripping leaks enough conditioned air to show up on your July bill. Call (361) 441-0865 and we’ll help you sort out whether an upgrade makes financial sense in your specific Dallas home, rebate or not.
Service Areas Near Dallas
Our crews work throughout the Dallas side of the metroplex: Lake Highlands, White Rock, Oak Cliff, and downtown, plus Dallas service area coverage for the full city. We also run regular routes to Therma-Tru service in Arlington and Therma-Tru service in Irving, and take calls in Coppell, Mesquite, and Grapevine. If you’re just outside the city line, call and we’ll let you know when we can be there.
Book Your Therma-Tru Service in Dallas Today
If your Therma-Tru door sticks, leaks, or took hail damage in the last storm, call (361) 441-0865. A real person answers, we’ll set a window that works for you, and you’ll get your written price before any work starts. Owen and the crew are ready to put it right.
Written by Owen Satterfield, Owner at Westlight Windows Dallas, serving Dallas since 2009.
Six Reasons Homeowners Choose Westlight Windows Dallas
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.