New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors Houston 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 League City, TX | Meridian Windows and Doors Houston
We provide independent Therma-Tru window and door service across League City, from full entry-door replacements to weatherstripping and threshold repairs. The one thing that makes our Therma-Tru work here different is that we build every fix around what south-facing entry doors actually endure in this town: wind-driven rain, shifting bayou clay, and summer UV that bakes seals brittle. Call (432) 278-2282 for a written estimate before any work begins.

We are not a Therma-Tru authorized dealer, and we do not pretend to be. We are an independent service provider, part of the Garrison Partners family, and we have been working on Therma-Tru doors and windows in the Gulf Coast environment for years. Our crews know which Therma-Tru sales & service issues repeat themselves in this climate and which fixes hold up. Elliot Vance, our owner and lead installer, reviews every estimate personally before it reaches you.
Why League City Residents Choose Us for Therma-Tru Service
Elliot learned the trade at Los Angeles Trade-Technical College and spent nearly two decades doing our Window Installation in League City and door work across the country before building his reputation in Texas on tight, clean installs. Frames plumb, seals right, no callbacks. That is the standard he holds every crew member to, and it is why we write a 365-Day Done Right Promise on every Therma-Tru repair or replacement we perform.
We are local to the League City service area, which matters when a door threshold is pulling away from a slab in Victory Lakes or a double French door will not latch after a summer of humidity. You get a live person on the phone around the clock, not a voicemail loop. The price goes on paper before any work starts, and it does not move at the door. If the repair fails within a year, we return at no charge. That is what the Garrison Code demands, and it is the only way we have ever run a job.
Common Therma-Tru Windows & Doors Problems We Solve in League City
- Bottom door sweeps and astragal seals failing. The humidity in League City breaks down the rubber compounds on factory sweeps faster than manufacturers expect, and once the compression is gone, wind-driven rain walks right under the door. We replace them with OEM Therma-Tru sweeps where available, or upgrade to a marine-grade silicone sweep that outlasts the original in this wet, saline air.
- Hairline stress cracks in Classic-Craft fiberglass skins. We see these at panel and glass lite joints after years of thermal cycling. A League City door facing west or south will expand and contract daily from June through September, and the fiberglass skin eventually shows it. If the crack is cosmetic and shallow, we can stabilize it. If it runs through the panel, we will recommend replacement and tell you why.
- Corroded sill pans and stripped threshold screws on older Fiber-Classic and Smooth-Star doors. The flat, low-slung lots in South Shore Harbour and Magnolia Creek hold moisture against the threshold longer than higher ground would, and the original screws are often plain steel that gives up after a decade. We re-hang with stainless hardware and replace the sill pan to restore the air and water seal.
- Double door weatherstripping losing compression. Uneven gaps on a Therm-Tru double door do two things in League City: they let hot, wet August air pour in while your AC fights back, and they let wind-driven rain through during a squall. We re-align the active and passive panels, replace the astragal seal, and verify the gaps with a feeler gauge before we leave.
- Weep holes clogged with oak pollen and silt. League City’s live oaks drop pollen in spring, and the bayou-cut drainage patterns push silt into the lowest points of the lot. Weep holes that should drain water out of the sill track instead back up, and water weeps into the home. We clear them and, where the lot grade allows, we adjust the pitch so water leaves the track as designed.
Therma-Tru Service in League City: What Local Conditions Mean for Your Equipment
League City’s flat, low-slung lots and bayou clay mean entry door thresholds often sink or shift over time. The soil under the slab expands and contracts with every wet-dry cycle, and the threshold cap that once made a tight seal against the bottom sweep slowly pulls away. This is an issue neighborhoods on pier-and-beam or higher ground do not face, and it is one of the most common reasons a Therma-Tru entry door in League City starts leaking at the bottom even when the sweep looks fine. In the South Shore Harbour neighborhood, our tech pulled a Therma-Tru Classic-Craft front door with a failed bottom sweep and a cracked fiberglass skin from wind-driven rain. We installed a new OEM sill pan, upgraded to a marine-grade silicone sweep, and re-hung the door with stainless steel screws to stop water weeping onto the entry tile. That job is the League City story in miniature: the door itself was fine. The seal system around it had been worn down by soil movement and Gulf Coast weather. Fix the seal, hang it true, and the door does its job.
Therma-Tru Models & Products We Service in League City
We service and repair Therma-Tru Class-Craft, Fiber-Classic, Smooth-Star, and Pulse lines, including entry doors, French and double doors, and hurricane-rated front entry systems. Our parts approach is simple: we use OEM Therma-Tru replacement sills, sweeps, and weatherstripping where the original part is still the best option for this climate. Where the factory part fails early in League City’s wet, salty air, we will tell you and offer a better-quality aftermarket alternative, like reinforced threshold caps or marine-grade silicone seals. That is not an upsell. It is the difference between a door that holds for years and one that leaks again next hurricane season.
If the door has a cracked skin, a frame rotted beyond repair, or shattered impact glass, we will recommend full replacement rather than piecemeal fixes, and we will put that recommendation in writing with a firm price.
Therma-Tru Service Pricing in League City
Most Therma-Tru door repairs in League City run between $180 and $480, depending on the part and the extent of the seal work. A full weatherstripping and threshold replacement on a single entry door typically lands in the $300 to $600 range, while a complete Therma-Tru entry door replacement, including a new slab, frame, and hardware, generally runs $2,500 to $5,500 installed. Hurricane-rated front entry systems with reinforced frames and impact-rated glass start higher.
What drives the cost is the condition of the threshold, the age of the door, and whether the existing frame can be re-hung true or must be replaced. A free estimate includes a written, line-item price for parts and labor, so you know the total before any work begins. Call (432) 278-2282 to schedule yours; we will measure, inspect, and hand you the number on paper.
Serving League City, TX - Our Local Coverage Area
We’re based in the League City 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 League City
Slide a dollar bill under the closed door and pull; if it slides out with little resistance, the sweep is not compressing against the threshold. You may also see daylight under the door, feel a draft at ankle level, or find water on the entry tile after a hard League City rain. Call (432) 278-2282 for a free inspection and a written quote before leakage becomes a slab or flooring problem.
Sometimes, yes. A shallow, hairline crack at a panel joint can be stabilized. But if the crack runs through the panel or around a glass lite, the structural skin is compromised, and we will recommend replacing the door slab. Honest answer, every time; that is the Garrison Code. Call (432) 278-2282 and we will tell you which camp your door falls into.
Most factory Therma-Tru weatherstripping is adequate for normal rain, but League City’s hurricane threat and wind-driven rain call for a stronger seal than stock. We typically upgrade bottom sweeps to marine-grade silicone and check the astragal on double doors before June. It is a small cost compared to the water damage a failed seal can cause. Call (432) 278-2282 for a pre-season seal check.
Humidity swells the door panels and frame slightly, and the heat expands the metal hinge hardware. The active and passive panels shift out of alignment, and the latch no longer lines up with the strike plate. We re-align the doors, adjust the hinges, and verify the astragal seal still meets evenly. If you are struggling with a stubborn double door in League City, call (432) 278-2282 and we will get it latching right.
In many cases, yes, we can replace the glass lite with impact-rated glass without replacing the entire door. The catch is the code requirement applies to the assembly, not just the glass, so the frame and installation must also meet current wind-load standards for our area. We will inspect the door and tell you whether a glass swap is enough or if the whole unit needs to be replaced to satisfy code. Call (432) 278-2282 for a free estimate.
Service Areas Near League City
We serve League City and the surrounding communities, including Therma-Tru service in Houston, Therma-Tru service in Channelview, Jersey Village, Atascocita, and Fresno. If you are within a reasonable drive of our League City jobs, we will come out, measure, and put the price in writing.
Book Your Therma-Tru Service in League City Today
Measure twice, seal it right, and the window does the rest of the talking. Call (432) 278-2282 to schedule your free estimate. A live person answers, day or night. We will inspect your Therma-Tru doors or our Window Replacement in League City, write down the price, and stand behind the work for a full year.
Written by Elliot Vance, Owner at Meridian Windows and Doors Houston, serving League City and greater Houston.
Six Reasons Homeowners Choose Meridian Windows and Doors Houston
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.