New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows Orange County 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 Orange County Owner’s Guide
If you have a Mr-Glass window with a failed component, we stock and install Mr-Glass-compatible replacement parts across Orange County, with most single-window replacement jobs running between $350 and $900 installed depending on glass type, frame condition, and whether the sash hardware needs replacing too. Most owners discover the problem the same way: a window that suddenly won’t lock, won’t stay open, or fogs up between the panes after the Orange County marine layer works its way past a worn seal. You don’t need to rip out the whole window frame. In most cases, we replace the failed part, re-fit the sash, and the window works like it did the day it went in.
Which Mr-Glass Models This Applies To
Mr-Glass builds its window lines around a few distinct series, and the parts that fail are not interchangeable between them. The two you’ll most often see in Orange County homes are the Series 700 double-hung and the Series 900 horizontal slider, though we also service the single-hung and fixed-picture units that Mr-Glass sold through regional suppliers in Southern California. Look for a small white or silver label on the frame edge, usually behind the sash or stamped into the top rail. If the label is gone, measure the visible glass width and height to the nearest eighth of an inch and check the balance shoe color; Mr-Glass uses a tan shoe on the 700 series and a gray one on the 900.
On the OEM-versus-aftermarket question: we carry both. Mr-Glass replacement parts are available through their distribution network, but we also keep a set of quality aftermarket equivalents for common failure points – balance cartridges, tilt latches, and sweep seals. For Mr-Glass specifically, the aftermarket balance cartridges from Caldwell and Amesbury match the series specs with no modification, which matters because Mr-Glass uses a 5/8-inch balance channel on the 700 that is slightly narrower than the industry-standard 3/4-inch. A generic big-box part will not seat properly. We’d rather hand you the right part the first time.
Signs Your Mr-Glass Window Replacement Is Failing
- The sash drops when you raise it. That’s a balance cartridge that has lost tension, common after seven to ten years in Orange County, where salt air near the coast accelerates wear on the internal coil spring. It’s a 20-minute fix with the right replacement part.
- Fog or condensation between the panes. The dual-pane seal has failed and your low-e argon fill has escaped. This is the most common Mr-Glass issue we see in older coastal homes, and the fix is a new insulated glass unit, not a part swap.
- The window won’t lock or the latch feels loose. Mr-Glass tilt latches and lock assemblies use a plastic cam that strips after a few thousand cycles. The part costs about $18 to $35; the labor is the bigger line item.
- You feel a draft even when the window is closed. The weatherstripping has compressed or torn, and no amount of tungsten-disulfide lube will bring it back. We replace the sweep and jamb seals for a tight fit.
- Hard to slide or sticks mid-track. On the 900 sliders, this usually means the nylon rollers have flattened on one side, which is what happens after years of weight resting on the same spot. New roller assemblies bring back the glide.
Replacement Cost & What’s Included
Here’s what you’ll pay for common Mr-Glass window replacement work in Orange County:
| Job | Typical Installed Cost | Notes |
|---|---|---|
| Balance cartridge replacement (per sash) | $90 – $160 | Includes the part, labor, and re-fitting the sash |
| Insulated glass unit (IGU) replacement | $280 – $650 per sash | Depends on glass size and low-e coating |
| Tilt latch / lock assembly replacement | $65 – $120 | Part plus 15-minute service call |
| Full window frame replacement (Mr-Glass) | $700 – $1,400 installed | When the frame itself is rotted or warped |
| Weatherstripping and seal replacement | $120 – $300 | Per window, labor-heavy but material-light |
Every price above includes the part, labor, a written estimate before any work starts, and our 365-Day Done Right Promise. If the replacement part fails within the guarantee period, we come back and fix it at no charge. No revised invoice at the door, no surprises. That’s the Kingswell Guarantee, and it’s in writing on every single job.
DIY or Call Us?
Some window fixes are genuinely safe to check yourself. You can inspect the weatherstripping, look for obvious cracks in a plastic latch, or see if the glass is fogged. That’s useful, and it helps you describe the problem when you call. What we’d steer you away from is removing a Mr-Glass sash with a failed balance cartridge. The coil spring inside that cartridge is under enough tension to break a finger or send the plastic housing flying if it releases wrong. The same caution applies to any work that involves removing the glass from the frame. We do this work daily, and we still treat every cartridge swap like it could bite us. If you’re not sure, call us at (424) 414-2048 and we’ll talk through what you’re seeing.
FAQs
In our experience across Orange County, Mr-Glass windows hold up well for 15 to 25 years before the first major component failure, though coastal homes near Huntington Beach or Newport Beach tend to see seal failures about five years sooner because of salt-air corrosion on the aluminum spacers.
Yes, if the frame is sound, we replace the part rather than the whole window, which saves you hundreds of dollars and keeps the original framing intact. A failed seal on a dual-pane unit usually means a new IGU, but hardware failures are almost always repairable.
Most single-part replacements, like a balance cartridge or lock assembly, take 30 to 60 minutes on site; a full IGU or frame swap typically runs two to three hours for a single window.
We do; our technicians carry the most common Mr-Glass series parts on the truck, including balance cartridges, tilt latches, sweep seals, and roller assemblies, and we can have less common parts in hand within a few days. Call (424) 414-2048 and we’ll tell you over the phone if your part is on the truck today.
We’re an independent service provider, not affiliated with Mr-Glass, and we also stock and service parts for PGT, CGI, and CWS windows. Owen Satterfield has been replacing windows across Southern California since his East Los Angeles College days, and he still checks every job with a tape measure before anything gets signed. If I wouldn’t put it on my own house, I’m not putting it on yours. When your window fails, call us at (424) 414-2048. A real person answers, 24/7, and your written estimate is in hand before the first tool comes out of the truck.
Written by Owen Satterfield, Owner, Westlight Windows Orange County at Westlight Windows Orange County, serving Orange County and nearby areas.
Six Reasons Homeowners Choose Westlight Windows Orange County
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.