New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors Dallas 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
Therma-Tru Window Replacement: The Dallas Owner’s Guide
Therma-Tru window replacement in Dallas typically runs $340 – $890 per window installed, depending on glass package, frame condition, and whether the sash or the full unit needs swapping. We stock Therma-Tru-compatible sashes, balances, weatherstripping, and glass packs on our trucks, and most single-window replacements are done in one visit. You usually find out something’s wrong on a windy day, or the first 100-degree afternoon of summer, when the frame won’t seal and you can feel the heat bleeding through.
Which Therma-Tru Models This Applies To
Therma-Tru entered the window market with a focused line of vinyl replacement windows built around the same fiberglass-door philosophy: tight tolerances and minimal maintenance. The window side covers double-hung, casement, and sliding models across the Classic and Signature series, plus a builder-grade line installed in a lot of Dallas-area track homes from roughly 2005 through 2020. The compatibility gotcha most owners hit is the balance system: Therma-Tru used a 5/8-inch spiral balance on early double-hungs, then moved to a block-and-tackle balance on later production runs. They look similar inside the jamb. They are not interchangeable. If you have the original paperwork, the model number is on a silver sticker on the top edge of the sash; if that sticker is gone, measure the visible glass width and height and we can match it from the frame profile. We install OEM Therma-Tru parts when they’re available and a quality aftermarket equivalent when the OEM line has been discontinued, which happens on some pre-2012 sashes. Meridian Windows and Doors Dallas is an independent service provider, not affiliated with Therma-Tru; we stock their parts because Dallas homes have a lot of them in service.
Signs Your Therma-Tru Window Replacement Is Failing
- Sash won’t stay up (or won’t move at all). The balance system has failed or the pivot shoe is cracked. On Therma-Tru double-hungs, this is the most common failure we see in Dallas, because constant temperature swings make nylon and plastic components brittle faster than in milder climates.
- Daylight visible between sash and frame when closed. The weatherstripping has compressed or the sash has warped slightly. A 1/16-inch gap is enough to raise your summer cooling bill noticeably and let dust from a dry Dallas July blow in.
- Condensation between the two panes. The insulated glass unit seal has failed. Once that happens, the low-E coating starts to degrade and the glass loses most of its insulating value. It cannot be repaired, only replaced.
- Lock won’t engage or the window rattles in wind. The keeper and latch are misaligned, usually from a sagging sash or a worn corner joint. It’s a security problem as much as a comfort problem, especially on ground-floor windows.
- Frame is soft, discolored, or cracked at the corners. Water intrusion around the rough opening has started to compromise the frame. In Dallas, we see this most often on west-facing walls that take the full brunt of late-afternoon storm-driven rain.
Replacement Cost & What’s Included
The installed price for a Therma-Tru window replacement in Dallas usually lands in these ranges:
- Balance or pivot shoe replacement: $140 – $260 per window
- Weatherstripping and seal replacement: $180 – $350 per window
- Insulated glass unit replacement: $290 – $610 per window
- Full sash replacement: $380 – $720 per window
- Full window unit replacement (including frame): $590 – $890 per window
What swings the price: glass package (standard dual-pane versus low-E with argon), whether the frame is salvageable, and access. A third-floor window on a downtown Dallas condo costs more to service than a ranch house window in Richardson. Every job gets a written line-item price before any work starts, and that price does not change at the door. The workmanship is covered by our 365-Day Done Right Promise: if it fails within the first year, we come back and fix it at no charge.
DIY or Call Us?
A homeowner can safely check a few things: whether the sash is seated squarely in the frame, whether the weatherstripping is torn or folded, whether the lock keeper is loose. Those are diagnostic steps. Replacing a balance system or an insulated glass unit is where DIY goes wrong, because a vinyl sash under spring tension can release suddenly and take a chunk out of a hand. Glass packs are heavy, and seating one improperly voids the seal warranty and leaves you with the same failed unit in six months. If you can see the problem, write down what you observed. If the frame feels soft or the sash binds, call us at (325) 309-2639 before forcing anything; a forced sash usually turns a $200 repair into a $700 replacement. Measure it right the first time, and the rest of the job takes care of itself.
FAQs
Expect 18 to 25 years from the vinyl frame and 12 to 18 years from the insulated glass unit in Dallas conditions. The Texas sun and high summer heat shorten glass seal life compared to northern markets; a west-facing window with direct afternoon sun may lose its seal in as little as 10 years. Call (325) 309-2639 and we’ll assess whether you need a glass pack or a full replacement.
Yes, if the frame is structurally sound. Balances, pivot shoes, weatherstripping, and glass packs can all be replaced without pulling the frame. If the frame itself is cracked or water-damaged, replacement is the honest fix. We’ll tell you which one applies to your window before any money changes hands.
Most single-window replacements, whether it’s a sash, a balance system, or a glass pack, take 45 minutes to two hours once the right part is in hand. Full frame replacements run four to six hours. We carry common Therma-Tru-compatible parts on the truck, so most calls in Dallas are one visit.
We stock the common replacement items on our service trucks: balance systems, pivot shoes, weatherstripping, and standard-size insulated glass packs. Uncommon sizes and discontinued OEM parts get ordered and typically arrive within three to five business days. We also carry compatible aftermarket parts from PGT, CGI, and CWS on the truck for mixed-company homes.
Call (325) 309-2639 for a free estimate on your Therma-Tru window replacement. Elliot Vance and the crew at Meridian Windows and Doors Dallas will put the price in writing before any work starts, and you’ll know exactly who’s walking through the door. We answer the phone live, around the clock, every day.
Written by Elliot Vance, Owner, Meridian Windows and Doors Dallas at Meridian Windows and Doors Dallas, serving Dallas and nearby areas.
Six Reasons Homeowners Choose Meridian Windows and Doors Dallas
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.