New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors Fort Worth 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 homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Therma-Tru Window Replacement: The Fort Worth Owner’s Guide
If you’ve got a failed Therma-Tru window in Fort Worth, we replace it for a typical installed price of $450 to $800 on standard units, and we usually run that in a single visit. That’s sash replacements, glass units, or full-frame swaps depending on what actually failed. Most owners don’t discover the problem until the window won’t lock in July or a north wind finds its way through the seal in February – both of which happen faster in North Texas than the warranty assumes. Meridian Windows and Doors is an independent installer, not a Therma-Tru dealer, and we carry replacement glass and hardware for Therma-Tru lines alongside seven other manufacturers so the part gets matched to the frame, not the other way around.
Which Therma-Tru Models This Applies To
Therma-Tru builds fiberglass and vinyl window lines under three main families: the Classic-Craft, the Slim-Line, and the Tru-Defense series. Each uses a different balance system, and that’s where most mismatch headaches start. A Classic-Craft double-hung from 2012 will not take a Slim-Line balance shoe from 2019 – the channel width is off by 3/16 of an inch, and forcing it scores the jamb liner. We identify the part from the etched code on the glass corner or the sticker inside the head jamb, then verify against the frame measurement. For older Fort Worth homes where that sticker is long gone, we measure the visible glass width and sash thickness, then match to the closest Therma-Tru production run by spec, not guess.
Signs Your Therma-Tru Window Replacement Is Failing
- Condensation between the panes that won’t clear. This is seal failure, the most common issue we see in Fort Worth. The argon or krypton fill has leaked out and outside air is wearing on the low-E coating.
- Sash drops when you raise it. The constant-force balance has lost tension. In Texas, spring failures run about three years earlier than coastal climates, partly due to heat cycling the coil steel.
- Lock won’t engage, or engages loose. In vinyl sashes this usually means the keeper or strike moved after the frame softened in a south-facing exposure. The fix can be a part swap or a frame correction – we figure out which before we touch anything.
- Draft around the sash even when latched. This is weatherstripping compression on the meeting rail, or in some Therma-Tru models the interlock has worn flat. We carry replacement seals on the truck for these lines.
- Frame bubbling or soft spots near the sill. That’s water ingress through the weep system. It’s a window replacement job, not a hardware fix. We see this most on east and south walls after a hard Fort Worth rain.
Replacement Cost & What’s Included
Most single Therma-Tru window replacements in Fort Worth run $450 to $800 installed, depending on what actually failed and the frame condition. Here’s the breakdown:
- Glass unit only (seal failure, clear sash): $180 to $320 installed, most common on single units.
- Sash replacement (warped, cracked, or lock-stripped): $220 to $400 depending on size and whether we’re matching low-E or standard glass.
- Balance or hardware replacement on one sash: $165 to $250, including the part and labor – we keep common Therma-Tru balances and locks on the truck.
- Full-frame replacement (water-damaged sill or compromised jamb): $600 to $900, which includes removal, new flashing around the opening, and insulation at the rough gap.
The price is written down before we start, and it doesn’t move at the door. Every replacement is covered by our 365-Day Done Right Promise – if the part or the install fails within that year, we come back at no charge, no fine print about labor exclusions from us. And we pull the permit when the city requires it, which means the inspector verifies what we did before we call the job done. That’s the point, frankly: the seal either holds or it doesn’t – we make sure it holds.
DIY or Call Us?
There’s a line between what you can truthfully diagnose and what you should hand to a professional. Checking for a draft, seeing if the lock lines up, feeling for air at the meeting rail – those are safe looks. But once the sash is out of the jamb liner, you’re dealing with spring balances under tension and glass that can bind in the track. A Window sash under load can take a fingertip off if the balance assembly lets go. That’s not a scare line, it’s what the trade teaches. We’re happy to walk you through what you’re seeing over the phone, and if the fix is genuinely simple we’ll tell you that flat. But when it isn’t, call (682) 708-0962 and let us handle it before the frame takes more damage than the sash already has.
FAQs
A properly sealed glass unit should give you 10 to 15 years in the Fort Worth climate, with the seal typically failing first. Heat and wind are the two things that break windows early here, so a western exposure may see the seal go at 8 years while a shaded north wall runs past 20.
Often yes, depending on what’s wrong with the part. A failed balance, worn weatherstripping, or a bent keeper is a repair. A blown seal between the panes is a glass unit swap. A rotted or cracked frame means the finish is done and it’s a window replacement. We’ll tell you which one you actually need before we quote anything. Call (682) 708-0962 and describe what you’re seeing, and we’ll walk you through it.
Sash and balance replacements usually happen same-day if we have the part on the truck, which we do for common Therma-Tru lines. Full-frame and custom glass units take 3 to 10 business days depending on fabrication, and we’ll give you a written date before we order anything. No vague “soon.”
We stock Therma-Tru-compatible balances, locks, and weatherstripping on our trucks, and we source the glass from regional fabricators who match the original low-E spec. If an aftermarket part makes more sense for the frame than the OEM equivalent, we’ll tell you why and put that trade-off in writing. We also install for PGT, CGI, and CWS if you’re weighing options across other brands in the house.
Written by Elliot Vance, Owner, Meridian Windows and Doors Fort Worth at Meridian Windows and Doors Fort Worth, serving Fort Worth and nearby areas.
Six Reasons Homeowners Choose Meridian Windows and Doors Fort Worth
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.