New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows 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
Fast, Reliable Window Installation Across Four Corners
Window installation in Four Corners typically runs $900 – $2,400 per opening for a full-frame replacement, depending on glass package, frame material, and whether we’re correcting foundation-related fit issues. Most jobs take one to two days once the windows arrive. If you’re in Four Corners and staring down fogged glass, a door that won’t lock, or a frame that’s pulling away from the brick, call us at (325) 326-4211. We’ll give you a written price before anything is ordered.

We work throughout Four Corners regularly, from the neighborhoods off West Bellfort to the streets south of Bissonnet. Our Window Installation team knows what 40-year-old aluminum frames look like coming out of a 1970s ranch, and we know the clay soil under this area well enough to plan for it before the first screw comes out.
Why Westlight Windows Houston Is Four Corners’s Preferred Window Installation Company
Owen Satterfield has run Westlight Windows & Doors since 2009, and the way we work in Four Corners hasn’t changed: written price first, real arrival window second, clean job site third, and a written guarantee handed over at the end. We are an independently owned and operated Kingswell location, which means every job here carries the Kingswell Guarantee. If a repair fails within the guarantee period, we return and correct it at no charge. No phone tag. No revised invoice at the door.
Our customers in Four Corners call us because the last contractor no-showed, or the “standard size” window they were sold got shimmed so hard the jamb bowed. We don’t do that. Background-checked, uniformed technicians show up with the right product from one of eight manufacturer lines we stock, including PGT, CGI, and ECO Window Systems. When you call Westlight, a live person answers, 24 hours a day. Not a chatbot. Not a voicemail box.
Vinyl Windows in Four Corners
Vinyl windows are the most common upgrade we install in Four Corners, and for good reason. The older homes off South Dairy Ashford and Addicks Clodine were built with single-pane aluminum frames that conduct heat straight into the house from May through October. A mid-grade vinyl replacement with low-e glass (a thin coating that reflects heat back out in summer and back in during winter) runs $900 – $1,400 per window installed in Four Corners, depending on custom sizing.
Why Custom Sizing Is Standard Here
Four Corners homes from the 1970s through the 1990s rarely have true rough openings. Builders framed on the fly, and 40 years of clay soil movement has made nominal measurements nearly useless. We measure every opening twice, then order the window to fit that opening. Field shimming a stock window into a 3/4-inch-off opening compromises the thermal envelope and stresses the jamb.
What We Replace Under the Vinyl
Before any new vinyl window goes in, we check the rough opening for rot, moisture intrusion, and movement in the frame. High humidity and heavy rainfall events here accelerate wood rot around old window flanges. We replace compromised framing, flash the opening correctly, and only then set the new unit. Skipping that step is how you get a brand-new window that leaks inside a year.
Picture Window in Four Corners
A picture window is a fixed, non-operable pane, and in Four Corners it’s usually the big glass that faces the street or the backyard. Homeowners replace them when the seal fails and condensation fogs the inside of the dual pane, or when they want a wider view without the old aluminum frame cutting the sightline. A quality picture window replacement in Four Corners runs $800 – $2,100 installed, with the range tied largely to glass area and whether the surrounding wall needs structural correction first.
Clay Soil and the Racked Frame Problem
Before we set a large picture window in Four Corners, we check the wall for foundation movement. Expansive clay soil here swells in wet seasons and contracts in dry ones, and that movement can subtly rack a frame. Set a large fixed window into a moving opening and the glass is under constant stress. Seal failure follows, and sometimes the glass cracks. We account for that before ordering the unit, not after it’s installed.
Glass That Handles a South or West Exposure
South and west-facing picture windows in Four Corners get hammered by the afternoon sun and the humidity that follows every rain event. We specify low-e insulated glass units with a low solar heat gain coefficient (SHGC) so the view stays but the heat doesn’t. A single-pane or low-grade insulated unit on those exposures fails early here. We won’t sell you one.

Trusted Brands We Service in Four Corners
We install and stand behind windows from eight manufacturer lines, and for Four Corners homes we lean most often on ECO Window Systems, PGT, and Therma-Tru for entry doors. ECO gives us a strong energy-efficient vinyl option at a sensible price. PGT’s impact-rated lines are the go-to when a Four Corners homeowner wants real storm protection with a Florida Product Approval. Therma-Tru handles the door side. We stock replacement parts for these brands locally, which means a warranty part or adjustment doesn’t sit in a warehouse queue for two weeks.
Common Window Installation Problems We See in Four Corners Homes
- Stock windows forced into non-standard openings. A contractor sells a “standard” size to save money, then shims the gap so hard the frame bows and the sash binds. In Four Corners tract homes from the 70s, 80s, and 90s, nearly every opening is slightly off-nominal. We order to the actual measurement.
- Sliding glass doors that won’t lock after a dry summer. The clay under the slab shifts when it dries out, racking the frame just enough to throw off track alignment. This is so common in Four Corners that we check it on every slider replacement, and it’s one reason we reinforce the rough opening before installing a new door.
- Seal failure on south-facing and west-facing glass. High humidity and hot sun combine to kill seals early on low-grade insulated units. A fogged dual-pane window is a failed seal, and the only repair is replacement. We specify glass with the right SHGC and moisture-resistant spacer systems for Four Corners’ climate.
- Rot at the window flange and sill. Heavy rainfall events here push water against window perimeters, and 40-year-old flashing fails. We find rot under the trim on at least half of the older Four Corners homes we open up. Cutting out the rot and re-flashing is part of our standard installation, not an add-on line item.
Pricing for Window Installation in Four Corners, TX
Most single-window replacements in Four Corners fall between $900 and $2,400 per window, fully installed. Vinyl windows sit at the lower end of that range; large picture windows and impact-rated PGT units land at the upper end. A full three-panel sliding glass door replacement generally runs $2,800 – $4,600. What moves the number most in Four Corners is custom sizing, condition of the rough opening, and glass package. You’ll get a written line-item price before we order anything. No revised invoices at the door. Call (325) 326-4211 to schedule a free estimate.
We Also Serve Cities Near Four Corners
Westlight Windows & Doors handles Window Installation in Four Corners and the surrounding areas, including Houston, The Woodlands, Sugar Land, and Humble. Scheduling and dispatch run through our Houston office, and crews serve Four Corners locally. If you’re a few miles out, call us and we’ll confirm coverage for your street.
Serving Four Corners, TX - Our Local Coverage Area
We’re based in the Four Corners 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 About Window Installation in Four Corners
The expansive clay soil under your slab shrinks when it dries out, which can shift the slab enough to rack the door frame and throw the track out of alignment. The lock and strike plate no longer line up, and the door binds. We see this constantly in Four Corners and rarely in nearby Houston where soils are sandier. The fix is resetting the rough opening, reinforcing the track, and installing a door sized to the actual frame, not the nominal one. Call (325) 326-4211 and we’ll come inspect it.
A low-e insulated glass unit with a low solar heat gain coefficient is the right choice for a Four Corners home. It cuts direct solar heat on south and west exposures and resists condensation and seal failure far better than a standard clear dual-pane. We pair that glass with a vinyl or impact-rated frame depending on the exposure and your budget.
If you want storm protection or insurance discounts, yes. A Florida Product Approval (or Miami-Dade NOA) certifies that the window system passed impact and wind-load testing. For non-impact windows, it’s not required. We carry PGT and CGI impact-rated lines with current approvals, and we’ll tell you honestly whether it’s worth the premium for your specific home and insurance situation. Call (325) 326-4211 for a straight answer.
Because nearly every opening in the 1970s-90s tract homes here is a non-standard size, the windows have to be manufactured to order. Lead times are set by the factory, not by our labor schedule. Once the order is placed, your price is locked in writing. We give you the expected delivery window before we order, and we install as soon as the units arrive.
In most cases, yes. Many insurers in Texas discount wind and hail coverage when a home has impact-rated windows with a current Florida Product Approval or Miami-Dade NOA. We’ll provide the documentation you need after installation, and we’ve seen homeowners in Four Corners use the wind mitigation inspection to pass on the first visit. Ask your agent about the discount before you order. Call (325) 326-4211 for product approval details.
What Happens to a Window Order in Four Corners When the Clay Moves
Here’s what actually matters in Four Corners and what you won’t get from a big-box installer: the soil under this area is the reason a window that fit perfectly in 1985 no longer fits at all. Expansive clay swells during the wet months and contracts every dry summer, enough to shift slabs by fractions of an inch. That may not sound like much, but a picture window or a sliding door frame moves with it. The glass stresses. Seals separate. The door that locked fine in February won’t latch in August. We recently replaced a set of 1970s single-pane aluminum sliders in a Four Corners home where the south-facing door hadn’t locked since the previous dry spell. The clay under the slab had shifted, racking the jamb. We pulled the old frame, reset the rough opening, and installed a custom-sized PGT impact-rated sliding glass door with a Miami-Dade NOA and a reinforced track. Full-depth flashing went in before the frame. Six months later the door locks dead-square, and the homeowner’s wind mitigation inspection passed on the first visit. That’s the Kingswell Way here: measure the real opening, plan for the soil, order the right product, put the price in writing before a single screw turns, and come back at no charge if it fails.
Written by Owen Satterfield, Owner at Westlight Windows & Doors, serving Four Corners since 2009.
Six Reasons Homeowners Choose Westlight Windows 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.