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 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
Mr-Glass Window Replacement: The Houston Owner’s Guide
We stock and install Mr-Glass-compatible replacement windows across Houston, with most single-window replacements running $450 to $1,100 installed depending on size, glass package, and frame condition. If your Mr-Glass window has a failed seal, cracked glass, or a frame that no longer closes square, we can typically match it same week and have it installed in a single visit. You’ll usually notice the problem first as fog between the panes, a draft that wasn’t there last winter, or a sash that suddenly takes two hands to lift.
We’re an independent service provider in Houston, not a Mr-Glass factory outlet. That means we’re free to tell you when an aftermarket equivalent does the job at a better price, and when spending the extra money on a true OEM Mr-Glass replacement is the right call. Elliot Vance, our owner and lead installer, reviews every estimate personally before it reaches you.
Which Mr-Glass Models This Applies To
Mr-Glass residential windows in the Houston market typically fall into three series: the MG-200 single-hung, the MG-400 double-hung, and the MG-600 casement line. Each series uses a different balance system and glass package, so the part numbers don’t cross over. If you pull the sash and look at the side jamb, you’ll find a white sticker with the model number, glass code, and manufacturing date. No sticker? Measure the visible glass width and the overall frame height to the nearest eighth of an inch. That gets us to the right match without guesswork.
For glass-only replacements, the Mr-Glass spec calls for double-pane insulated units with a low-E coating (a thin metallic layer that reflects Houston heat while letting light pass through). The factory seal on MG-400 and MG-600 units is a structural edge seal rated for roughly 10 to 12 years in Gulf Coast humidity. When that seal fails, the argon gas escapes and you get what installers call a “fog unit.” We can cut a new insulated glass unit to the original Mr-Glass dimensions, but here’s the compatibility gotcha: Mr-Glass uses a 7/8-inch overall glazing thickness on the MG-400, not the more common 3/4-inch found on many comparable vinyl windows. If someone installs a 3/4-inch unit, the glazing bead won’t seat properly and the sash will rattle. We measure and order to the original spec every time.
OEM Mr-Glass replacement parts are available for most models still in production, but lead times stretch. For discontinued MG-200 units from the early production years, a quality aftermarket sash assembly from a Houston supplier often installs cleaner than waiting six weeks for an aged OEM part. We’ll walk you through exactly what we’re ordering, where it’s coming from, and what the difference means in writing before you spend a dollar.
Signs Your Mr-Glass Window Replacement Is Failing
- Fog or condensation between the panes. This means the edge seal has failed and moisture has entered the insulated glass unit. In Houston’s humidity, a failed seal rarely dries out on its own and the fog gets worse with every temperature swing.
- Drafts you can feel with the window closed. Worn weatherstripping or a frame that has shifted out of square lets conditioned air escape. Your AC fights harder every month, and the electric bill shows it.
- Sash won’t stay up or drops when released. The balance system or tilt latches on Mr-Glass units wear out, especially on windows that face direct western sun. A sash that slams shut is a finger hazard for kids and a sign the hardware is done.
- Crank or lock mechanism seized or stripped. Casement operators on the MG-600 fail gradually, then all at once. Once the gear teeth go, lubricating won’t save it. You’ll need a new operator assembly.
- Visible rot or warping on the frame or sill. In Houston, wood-framed window openings can hold moisture after storms. If the frame around your Mr-Glass unit has softened, the window has to come out to fix the opening properly before the replacement goes in.
Replacement Cost & What’s Included
Here’s what Houston homeowners should expect for Mr-Glass window replacement, installed by Meridian Windows and Doors:
| Job Type | Typical Installed Range (Houston) |
|---|---|
| Glass-only replacement (insulated unit, low-E) | $350 – $550 per window |
| Full sash replacement (MG-400 or MG-600) | $500 – $800 per window |
| Complete window replacement, trim work included | $700 – $1,100 per window |
| Frame repair (sill or jamb) added to any job | $150 – $400 depending on extent |
The spread comes down to window size, glass package (standard low-E versus impact-rated), and whether the existing opening needs repair before the new unit seats correctly. Every job includes the part, the labor, the cleanup, and a written price before any work starts. The number on the estimate is the number on the invoice. And we back the whole installation with the 365-Day Done Right Promise: if it fails within a year, we come back at no charge.
Some window replacement outfits in Houston quote a low per-window number and then “find” frame damage after the old unit comes out. We don’t work that way. Elliot walks the job before quoting, and if there’s frame damage, it’s on the written estimate from day one. No surprises at the door.
DIY or Call Us?
You can safely clean the tracks, check for loose screws on the lock plate, and take photos of the model sticker before calling. That helps us quote faster over the phone at (432) 278-2282. What you should not do is try to remove a double-hung sash without releasing the tilt pins correctly, because those balance springs hold real tension and a misstep sends the sash into the frame or through the glass. Glass replacement on a Mr-Glass unit also means working with a glazing bead that’s easy to crack if you’re not doing it weekly. A cracked bead means ordering another part and waiting another week. For the cost of a service call, you get it done in one visit and get the labor warrantied for a full year. Measure twice, seal it right, and the window does the rest of the talking.
FAQs
The frames on Mr-Glass units can hold up for 20 to 25 years, but the insulated glass seals in Houston’s heat and humidity typically last 10 to 12 years before fog appears. If your windows are older than a decade and showing condensation, the glass unit is probably at the end of its service life. Call (432) 278-2282 and we’ll tell you what we’re seeing on your model.
If the frame is solid and only the glass seal has failed, yes, you can replace just the insulated glass unit rather than the full window. That’s the most common repair we do on Mr-Glass windows in Houston, and it typically costs about half of a full unit replacement. If the frame is warped or the balance system is gone, replacement makes more sense.
Glass-only replacement takes about 90 minutes per window once the new insulated unit is in hand. Full sash replacement runs two to three hours including trim cleanup. We schedule a single visit for most jobs and leave the site clean.
We keep common balance assemblies, tilt latches, and weatherstripping for the MG-400 and MG-600 series on the truck. Glass units are cut to your window’s exact dimensions at a Houston supplier, which usually takes three to five business days. If you have a discontinued model, we’ll tell you upfront whether an aftermarket equivalent is the smarter purchase.
If you’re ready to get your Mr-Glass window working right again, call (432) 278-2282 for a free estimate. We’re part of the Garrison Partners family, held to The Garrison Standard on every job since 2009, and we answer the phone with a live person around the clock. Written price before the work starts, written guarantee after it’s done.
Written by Elliot Vance, Owner & Lead Installer, Meridian Windows and Doors Houston, serving Houston and nearby areas.
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.