New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows Orlando 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 Sliding & Patio Doors: The Orlando Owner’s Guide
If you own a Therma-Tru sliding or patio door in Orlando and a roller, lock, handle set, or weather seal has failed, we install Therma-Tru-compatible replacement parts and full door systems throughout the Orlando metro, with most parts running $40 to $180 for the component and $95 to $220 for the service call and labor. The honest truth: many Orlando homeowners don’t realize the door is failing until it starts grinding against the track, letting humidity in around the edges, or refusing to lock cleanly. By then the fix is usually straightforward, but only if the right part gets matched to the right series. This page covers which Therma-Tru door you have, what commonly fails in Florida conditions, what it should cost, and whether you can handle it yourself.
Which Therma-Tru Models This Applies To
Therma-Tru sliding and patio doors fall into a few distinct lines, and the compatibility gotcha is this: parts that fit a Therma-Tru Smooth-Star patio door frame will not necessarily fit a sliding door built into the Pulse or Classic-Craft series, even if both doors look identical from ten feet away. We regularly see Orlando homes with Therma-Tru sliding glass doors from the 960 Series, the Slim-Line sliding patio door, and the newer Pulse Series, and each uses different roller assemblies, track profiles, and lock geometry. The reliable way to identify your door is to look for the Therma-Tru label on the door slab edge or the top rail; if the label is gone, measure the stile width and the roller housing diameter, because a 1-inch roller and a 1-1/4-inch roller are not interchangeable. We stock OEM Therma-Tru parts where they’re still produced, and for discontinued series we supply quality aftermarket equivalents that match the original track and stile dimensions. Westlight Windows Orlando is an independent installer and service provider, not a Therma-Tru affiliate, so we’re free to tell you the truth about what fits and what doesn’t.
Signs Your Therma-Tru Sliding & Patio Door Is Failing
- Door grinds or feels heavy when sliding. The roller wheels have flat-spotted or the bearings have seized. In Orlando, the fine grit and humidity work into the bearing housings and accelerate wear, especially on west-facing doors that catch afternoon sun and thermal expansion.
- Water staining or soft flooring near the door base. The interlocking weather seals or the threshold cap have broken down. Florida downpours find every gap, and a failed bottom sweep on a Therma-Tru slider lets water track under the sill and into the subfloor.
- Lock set won’t align or latch without lifting the door. The rollers have sagged or the lock keep has worn loose. This is a security problem, not a noise problem; a door that won’t latch is an open invitation in any Orlando neighborhood, including areas off the Dr. Phillips corridor where we’ve replaced more than a few failed latch sets.
- Drafts, humidity, or visible daylight around the door slab. The weatherstripping has compressed permanently or pulled free from the frame channel. Low-e glass means nothing if the air seal around the panel is gone.
- Door jumps the track or binds mid-way. The track itself is out of square or worn concave. This usually traces back to a failed roller letting the panel ride on the aluminum track with metal-to-metal contact.
Replacement Cost & What’s Included
For most Therma-Tru sliding door repairs in Orlando, we see these installed price ranges:
- Roller assembly replacement: $45 – $90 per roller depending on series, plus $95 – $150 labor
- Handle and lock set replacement: $60 – $140 for the set, plus $75 – $110 labor
- Weather seal and threshold cap replacement: $30 – $80 in materials, plus $85 – $125 labor
- Track repair or replacement on the panel edge: $110 – $220 including labor
- Full slider or patio door replacement with Therma-Tru panel: $2,200 – $4,800 installed depending on size, glass package, and framing condition
Every quote from Westlight Windows Orlando is a written price before any work starts; we don’t revise at the door, and we don’t surprise you with a change order after the panel is out. The Kingswell Guarantee covers the workmanship, and if a repair fails within the guarantee period, we come back and fix it at no charge. That’s also the only way to know the part was matched correctly in the first place.
DIY or Call Us?
You can safely check a few things yourself: confirm the Therma-Tru label, measure the roller housing with the door still in place, and note whether the door sags toward the lock side. What you shouldn’t do is attempt to remove a Therma-Tru slider panel yourself. These panels weigh anywhere from 80 to over 200 pounds depending on glass and frame size, and without a second set of hands and proper lifting blocks, you risk the panel dropping, the glass shattering, or the frame twisting out of square. Owen Satterfield has seen enough Orlando homeowners lose an afternoon and a set of fingers to a heavy slider; this is one job where the service call is cheaper than the emergency room. If the door is binding, jumping the track, or leaking at the sill, call (850) 493-7894 and we’ll send a background-checked technician out with the right rollers on the truck.
FAQs
With regular use, we see Therma-Tru slider rollers last anywhere from 6 to 12 years in Orlando’s humidity, but doors that face west or get daily use in a busy family home often need roller replacement by year 7 or 8. It’s the bearing grease breaking down and the Florida grit working into the housing that kills them.
Yes, most failing Therma-Tru sliders only need new rollers, a new lock set, or new weather seals built for the existing frame. Full replacement only makes sense when the glass is blown, the frame is water-damaged, or the track is worn beyond shimming. Call (850) 493-7894 and we’ll tell you which one you’re actually looking at.
Most roller and lock replacements take 1 to 2 hours once we’re at the door, assuming we brought the right series-matched part. That’s why we confirm the label and measurement before we roll a truck, so you’re not waiting on a second trip.
We stock common Therma-Tru roller sizes, lock sets, and weather seals on the truck, and we carry aftermarket equivalents for series that Therma-Tru has discontinued. For less common or custom-series parts, we order direct and schedule the install once the part is in hand, always with a written price first.
Written by Owen Satterfield, Owner, Westlight Windows Orlando at Westlight Windows Orlando, serving Orlando and nearby areas.
Six Reasons Homeowners Choose Westlight Windows Orlando
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.