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 Replacement Across The Woodlands
Window replacement in The Woodlands means working inside a community with real rules. The township covenants and Development Standards Committee review nearly every exterior change, and they will reject a window that doesn’t match the home’s original profile or meet current impact standards. So before you buy glass, you need to know what the permit process triggers and how to avoid a stalled job. Call Westlight Windows Houston at (325) 326-4211. We’re an independently owned and operated Kingswell location, and Owen Satterfield leads our crews through The Woodlands week in and week out.
The short version on cost: most full window replacements in The Woodlands run $850 – $2,900 per opening installed, depending on frame type, glass package, and whether the opening needs reframing. Insert replacements typically run $550 – $1,600 per window. Energy-efficient upgrades with low-e glass and argon fill generally add $80 – $220 per unit. We’ll give you a written price before any work starts, and that price doesn’t move at the door.
Why Westlight Windows Houston Is The Woodlands’s Preferred Window Replacement Company
We’ve been doing this since 2009, and The Woodlands has taught us more about window replacement than any other market we serve. The homes here aren’t tract boxes. They’re custom builds from the 1970s, 80s, and 90s in villages like Cochran’s Crossing and Alden Bridge, plus a steady stream of newer construction further out. Many still have their original single-pane aluminum frames, which leak air and moisture in a climate that punishes both.
Our crews know the Development Standards Committee process because we sit through it with homeowners. We know which villages require architectural review before a permit gets pulled, and we know what a code inspector will ask about framing, flashing, and impact ratings when the walls come open. That local knowledge keeps your job moving instead of sitting in a review queue.
Every technician on your job is background-checked and uniformed, and a real person answers our phones 24/7. You call, a human picks up. That matters when you’re coordinating a permit inspection or need an answer about a window that just leaked after a thunderstorm.
Window Seal Repair in The Woodlands
Window seal repair in The Woodlands usually means one of two things: a failed insulated glass unit with condensation between the panes, or a failed exterior seal letting water into the frame channel. Both are common here because of the humidity cycle. Woodlands windows get baked in summer, then drenched in afternoon storms. That expansion and contraction breaks down sealant faster than you’d see in a drier climate.
A failed double-pane seal in The Woodlands typically costs $250 – $600 to repair by replacing the insulated glass unit, assuming the frame is sound. If the frame has rotted or warped, you’re looking at full replacement in the $850 – $2,100 range per opening. We’ll tell you which path makes sense before you spend anything.
When a Seal Fails on a Newer Unit
You’ll see fog between the panes, a milky film you can’t wipe off, or water beading inside the glass. It’s not a cleaning problem; the argon or krypton fill has escaped and the desiccant inside the spacer is saturated. The fix is a new insulated glass unit matched to the frame’s exact thickness. On PGT and ECO Window Systems products, we can often source the replacement glass directly through our Kingswell supply channels and have you set within two weeks.
Exterior Seal and Flashing Failures
Water running down the inside of the frame or staining the drywall below usually means the exterior seal, not the glass, failed. In The Woodlands, this shows up most often at the Texas-basement roofline, where custom rooflines meet window heads at odd angles. Our crew re-seals the opening, re-flashes where needed, and if the flashing detail was done wrong originally, we fix it correctly before the next humid season tests it.
Energy Efficient Windows in The Woodlands
Energy efficient windows in The Woodlands are less a luxury and more a utility-bill strategy. The summer cooling load here is relentless from May through September, and windows are the single largest source of unwanted heat gain in most of these homes. Upgrading from single-pane aluminum to double-pane low-e glass, that’s a thin coating that reflects heat back out in summer and back in during winter, typically cuts the solar heat coming through the glass by 40 to 60 percent.
A full-house energy window upgrade in The Woodlands generally runs $12,000 – $34,000 depending on window count, glass package, and frame material. Per-window, you’re looking at $900 – $2,400 installed for a quality vinyl or thermally broken aluminum unit with low-e coating and argon gas fill. We carry ECO Window Systems for high-efficiency builds and CWS for thermally strong commercial-grade frames.
Low-E Coatings for Gulf Coast Heat
There’s a difference between generic low-e and what The Woodlands actually needs. You want a low solar heat gain coefficient (SHGC) on east and west exposures to block afternoon sun. On the north side, a higher SHGC actually helps. We spec glass per elevation, not one product for the entire house. That’s the kind of detail that saves real money on an Entergy bill.
UV Protection for Interiors
That afternoon sun does more than heat the room. It bleaches wood floors, fades upholstery, and degrades custom millwork. Low-e coatings block most UV without darkening the glass noticeably. If you have a wall of windows facing west in a custom home in Carlton Woods or Grogan’s Mill, the glaze package we recommend will be different from what we’d put on a shaded back bedroom.
Trusted Brands We Service in The Woodlands
We stock and service eight manufacturer lines, which means we’re not forcing one brand onto every job. For impact-rated work in The Woodlands, we install PGT and CGI. For energy-focused replacements, ECO Window Systems and CWS. We also carry ES Windows and Mr-Glass for specific frame styles and budget points. Parts for these brands are stocked locally through our Houston distribution hub, so a replacement sash or hardware order doesn’t sit for a month. If you already have one of these brands and need a repair, call (325) 326-4211 and we’ll tell you what’s possible.
Common Window Replacement Problems We See in The Woodlands Homes
- Undersized headers behind the old window. In 1980s and 90s customs, the header over a large picture window is often undersized by current code. Once the wall opens for a full replacement, the inspector flags it and the job must reframe before the new unit goes in. We write an allowance for this into every contract, so the upgrade doesn’t blindside you.
- Failed waterproofing at the Texas-basement roofline. The Woodlands’ large custom attics create rooflines where a window head meets a steep pitch. Flashing done wrong there leaks within one humid summer. We strip the old flashing, install a proper sill pan and head flashing, and seal the joint before the new window is set.
- Warped aluminum frames on originals from the 1970s and 80s. Older homes in villages like Cochran’s Crossing and Panther Creek still have original single-pane aluminum. The metal warps from a few decades of thermal cycling, and the sash won’t seal. The frame isn’t salvageable; replacement is the only fix that stops the air and water infiltration.
- HOA design review rejections on impact glass. You order hurricane-rated windows and the Design Review Committee rejects them because the frame profile doesn’t match the neighborhood’s approved look. We check the architectural guidelines for your village before we order, so the window you get passes review the first time.
In the Village of Cochran’s Crossing, our crew opened a 1980s custom where the original aluminum double-hungs had warped jambs and sash leaks. We replaced the full opening with PGT impact-rated casements, each with the laminated glass interlayer and Miami-Dade NOA, after pulling a permit that triggered re-flashing of the Texas-basement roofline. The inspector signed off only after our written allowance covered a reframing of the undersized header. That’s the job done right, and it’s exactly how we handle Window Replacement across The Woodlands.
Pricing for Window Replacement in The Woodlands, TX
Here’s the honest math for The Woodlands market. A standard vinyl insert replacement runs $550 – $1,600 per window installed. A full frame replacement, where we pull the old frame and set a new one into the rough opening, runs $850 – $2,900 per opening. Impact-rated PGT or CGI windows add $300 – $900 per window over standard glass. If code upgrades require reframing, that allowance is written into your contract before we start, and you approve any surprise in writing before we touch it. Every quote from Westlight is a written, line-item price. No door-step revisions. Call (325) 326-4211 for a free estimate.
We Also Serve Cities Near The Woodlands
Our crews work The Woodlands every week, and we also schedule window replacement in Houston, Sugar Land, Humble, and Pasadena. If you’re in one of those areas and need pricing specific to your home, call us. Same written-price promise, same brands, same live person on the phone.
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 Replacement in The Woodlands
The most common upgrade is reframing an undersized header. Current code requires a header sized for the span and load above the window, and many 1980s and 90s customs in The Woodlands were built to older standards. You may also need new anchor bolts if the old ones are insufficient, or upgraded flashing to current ASTM standards. We write a line-item allowance for these into your contract, and you approve any specific cost in writing before we proceed. Call (325) 326-4211 and we’ll walk you through what your specific permit will likely trigger.
We strip the old flashing, inspect the sheathing and framing behind it, and install a properly lapped sill pan, head flashing, and back dam as needed. If the roofline geometry created the original failure, we adjust the flashing design rather than recreating the same problem. This is standard practice on our full frame replacements in The Woodlands, and it’s written into the scope before we start.
The Woodlands sits in a hurricane-prone region, and township design standards increasingly require impact-rated glazing for replacement windows regardless of distance from the coast. Wind-borne debris doesn’t need a waterfront location to break a window. Impact glass also provides a secondary benefit here: it holds the building envelope during severe thunderstorms and reduces noise from the constant summer storm cycles.
Yes, and it’s the main reason we carry eight manufacturer lines plus custom finish options. We can match frame profiles, muntin patterns, trim details, and glass tinting so the impact-rated window looks like it belongs in a 1985 custom rather than a coastal condo. We check your village’s architectural guidelines before ordering, so the design review doesn’t bounce it back. If you want to see a matched example in person, we can show you completed work in Cochran’s Crossing and Alden Bridge.
If the unit is still under manufacturer warranty, we coordinate the claim and handle the replacement glass installation for a labor fee. If it’s out of warranty, a new insulated glass unit runs $250 – $600 installed assuming the frame is intact. We stock replacement glass for PGT, CGI, ECO Window Systems, CWS, ES Windows, and Mr-Glass, so the turnaround is usually two weeks or less in The Woodlands.
If you’re planning window replacement in The Woodlands and want a written price before any work starts, call (325) 326-4211. We’ll schedule a free estimate, walk your home with you, and put the numbers on paper. That’s the Kingswell Way: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails.
Written by Owen Satterfield, Owner at Westlight Windows Houston, serving The Woodlands and surrounding areas 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.