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 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
Window Company in The Woodlands, TX
Westlight Windows & Doors is the window company The Woodlands homeowners call when they want a written price before any work starts, a real arrival window, and a crew that leaves the job site clean. We install replacement windows, new-construction windows, and entry doors across The Woodlands, with a product range that covers impact-rated glass, energy-efficient low-e coatings, and custom architectural styles for the area’s large custom homes. Call (325) 326-4211 and you’ll talk to a real person, not a voicemail box.
Why The Woodlands Homes Are Different
The Woodlands was built as a master-planned community with strict residential standards, and those standards still shape every window and door job here. Homes range from original 1970s builds to multi-million-dollar custom residences in neighborhoods like Cochran’s Crossing, Alden Bridge, and Grogan’s Mill. The older sections often have single-pane aluminum windows and sliding glass doors that have been fighting the Gulf Coast humidity for forty years. The newer sections trend toward expansive glass, multi-panel doors, and architectural styles that demand precision framing and flashing.
What really sets The Woodlands apart is the combination of intense summer heat, high humidity, and the threat of hurricane-force winds. Every window we install here has to resist moisture intrusion, keep cooling loads down, and hold up under severe weather. On top of that, many custom homes in The Woodlands have what we call “Texas basements” – large, conditioned attics with unusual rooflines that require careful flashing work around windows and doors. The forested lots and narrow road access in older villages also mean our crews plan equipment and material delivery carefully before they arrive.
Our Main The Woodlands Services
Most calls we take from The Woodlands homeowners fall into three groups: replacing old or failed windows, installing windows in new builds or additions, and upgrading entry doors. Each service has its own page with local pricing and details.
Window Replacement in The Woodlands
Replacing windows in The Woodlands usually means pulling out older aluminum or builder-grade units and installing energy-efficient or impact-rated replacements that can handle the humidity and storm exposure. Many homes in villages like Panther Creek and Sterling Ridge still have original single-pane glass that struggles with the August heat. The job often includes re-flashing around the opening for the area’s high moisture loads. We carry impact-rated PGT and CGI lines plus energy-focused ECO Window Systems, so we can match the right product to the home’s age and exposure. Details on pricing are on the Window Replacement in The Woodlands page.

Window Installation in The Woodlands
New-construction and addition window installation in The Woodlands calls for a different approach than replacement work. The window openings are new, the flashing details matter from the first cut, and the rooflines in custom builds can create odd angles. We work with the builder or the homeowner directly, and we follow the same rule on every job: the price is written down before we start. For homeowners building in neighborhoods like Creekside Park or Carlton Woods, the product choice matters – ES Windows and Mr-Glass both show up often on high-end builds. Read more on Window Installation in The Woodlands.

Door Installation in The Woodlands
Door installation in The Woodlands often means replacing a tired front entry door with a Therma-Tru unit that can take the south-facing sun and the summer storms. We also handle multi-panel and patio door work on the larger custom homes. The humidity here means the door frame, the threshold, and the flashing all have to be right – a door that seals poorly in The Woodlands lets in moisture and drives up cooling costs fast. The full breakdown, including door pricing and what to expect, is on Door Installation in The Woodlands.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in The Woodlands
We install and service windows and doors from eight manufacturer lines, including impact-rated PGT, energy-focused ECO Window Systems, custom ES Windows, and Therma-Tru entry doors. Parts for common service needs are stocked in the Houston metro area, so most The Woodlands calls can be scheduled within a few business days. You can see the full list on our brands page.
Pricing for Window Company in The Woodlands, TX
| Service | Typical range in The Woodlands |
|---|---|
| Single window replacement | $800 – $1,800 installed |
| Full-home window replacement (10 – 15 windows) | $9,000 – $22,000 |
| Impact-rated window upgrade (per window) | $1,400 – $2,800 |
| Low-e glass upgrade (per window) | $75 – $200 over standard glass |
| Window installation, new construction (per opening) | $600 – $1,500 |
| Entry door installation | $1,200 – $3,500 |
| Sliding glass door replacement | $1,800 – $4,200 |
| Multi-panel or custom door installation | $3,000 – $8,000 |
| Trim, flashing, and sealing work (per window or door) | $150 – $500 |
What pushes prices up in The Woodlands is usually impact-rated glass, custom sizing on older openings, or deteriorated framing that has to be rebuilt in high-moisture sections of the home. Whatever the number, you get it in writing before any work starts – no door-step surprises, no revised invoices.
Neighborhoods We Serve in The Woodlands
We work throughout The Woodlands and the surrounding villages. Typical response time for an estimate visit ranges from two to five business days depending on scheduling volume.
- Grogan’s Mill
- Cochran’s Crossing
- Alden Bridge
- Sterling Ridge
- Creekside Park
Service Area – Cities Near The Woodlands
In addition to The Woodlands, we serve homeowners across the greater Houston area. Our crews also travel to Houston, TX, Sugar Land, TX, Humble, TX, and Pasadena, TX. Dispatch and scheduling run from our Houston office, and the team that answers the phone is a real person, 24 hours a day.
Serving The Woodlands, TX - Our Local Coverage Area
We’re based in the The Woodlands 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 Company in The Woodlands
Most estimates in The Woodlands are scheduled within two to five business days. When you call (325) 326-4211, the person on the phone gives you a date and a committed arrival window before they hang up. You’ll know exactly when we’re coming.
Many villages in The Woodlands have design review requirements for visible changes like windows and entry doors. The specifics vary by village and subdivision. We can usually identify the right contact early so the paperwork gets moving before the install date.
No. Westlight puts the price in writing before any work begins, and that is the price you pay unless you change the scope of the job. The Kingswell Guarantee includes a written price, a real arrival window, a clean job site, and a written guarantee on the completed work. Call (325) 326-4211 for a free estimate.
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.
Other Westlight Windows Houston Services
What Neighbors Say About Westlight Windows Houston
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What The Woodlands Customers Say
"Nice windows and a clean install. There was a small delay getting one of the windows from the manufacturer, so one opening was done a couple weeks after the rest. They communicated it though."
- Walt Prentiss"Replaced a big picture window that had a failed seal and was always foggy. Can finally see the yard again. On time, tidy, and they stood behind the install with a written guarantee."
- Carol Whitaker"Our sliding patio door had come off its track years ago and we just lived with it. New one is smooth as butter. They hauled off the old one and vacuumed up before they left."
- Jessica Landry