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
Fast, Reliable Window Installation Across Nassau Bay
Window installation in Nassau Bay comes with a set of demands most Houston suburbs never face: hurricane wind loads, salt air off Galveston Bay, and 1960s-era patio homes built on clay that shifts. A typical mid-range window replacement here runs $680 – $1,450 per opening installed, before any slab re-alignment or impact-rating upgrades. We’re Westlight Windows Houston, led by Owen Satterfield, and we’ve been doing this work since 2009. If you want a written price before any work starts, call (325) 326-4211.
Why Westlight Windows Houston Is Nassau Bay’s Preferred Window Installation Company
Nassau Bay homeowners don’t have time for contractors who quote vaguely and disappear. We’re an independently owned and operated Kingswell location, and the Kingswell Guarantee applies to every job we do here: a written price before any work starts, a committed arrival window, a clean job site, and a written guarantee handed to you when the work is done.
Our technicians are background-checked and uniformed, so when someone knocks on your door off NASA Parkway, you know exactly who you’re letting in. Nassau Bay customers also get something most window companies can’t offer: a real person answering our phones 24 hours a day, seven days a week. Not a voicemail box. Not a chatbot. Call (325) 326-4211 at 2 a.m. and someone picks up.
We know the difference between a patio home on Upper Bay Road and a two-story off Point Lookout Drive, because we’ve worked both. That means we know what the salt air does to aluminum frames, what the clay does to slabs, and what the wind does to a 12-foot sliding door facing the lake. Owen Satterfield started this company to do the job the way homeowners actually want it done: price first, promises in writing, and a return visit at no charge if the work fails within the guarantee period.
Picture Window in Nassau Bay
A picture window in Nassau Bay is a fixed pane that doesn’t open, and it’s often the best choice for capturing the view across Clear Lake or the bay without the mechanical complexity of an operable unit. In the older patio homes west of Highway 146, we frequently replace original single-pane aluminum picture windows with insulated low-e glass (a thin coating that reflects heat back into the room in winter and out in summer). Installed cost for a standard 4-foot by 5-foot picture window in Nassau Bay runs $900 – $2,200, depending on whether impact-rated glazing is required for the wind zone.
Impact-Rated Glazing for Waterfront Exposure
Homes within a mile of Galveston Bay need windows that can take a large-missile hit without failing. We install Miami-Dade NOA-rated fixed units from PGT and CGI that carry Florida Product Approval labeling, which is what Nassau Bay’s wind mitigation inspection actually checks. The laminated interlayer holds the glass in place even if it cracks, so wind pressure doesn’t punch through and pressurize your house.
Custom Sizes for Mid-Century Frames
Most 1970s patio homes in Nassau Bay have non-standard openings that don’t match today’s off-the-shelf window sizes. We order custom-sized picture units rather than forcing a standard window into an opening it doesn’t fit. That’s the difference between a job that looks right and one that leaks at the jamb within two summers.
Bay Window Installation in Nassau Bay
Bay window installation in Nassau Bay projects a section of your living room outward, usually with a fixed center pane flanked by two operable windows, and it changes both the interior light and the exterior sightline of a home. For brick-veneer patio homes off Lakeside Drive and Red Bluff Road, we can build the bay projection to match the existing roofline or replace an existing bay that’s falling apart at the seat board. A three-section bay window in Nassau Bay runs $2,800 – $6,500 installed, with impact-rated glass adding $1,200 – $2,400 depending on the size.
Replacing Settled Bay Assemblies
Nassau Bay’s expansive clay soils mean bay window seat boards and support brackets often sag after 40 years. We rebuild the support framing and re-level the assembly before setting the new window, because a bay window that leans forward will pull away from the house and leak at the roofline. This is a step that doesn’t appear on most contractor quotes, but it’s the only way the new unit will stay square.
Energy Performance for All-Day Sun
A west-facing bay window in Nassau Bay takes direct afternoon sun, which is where the name “west light” comes from: the late-afternoon sun that pours through a good window, bright, warm, and worth doing right. We spec low-e coatings and insulated glass packages that cut the radiant heat without tinting the view into gray. The Energy Star-rated ECO Window Systems bay assemblies we install meet the wind-load requirements for this zone while keeping cooling loads down through August.
Trusted Brands We Service in Nassau Bay
We stock and install from eight manufacturer lines, including CWS, ES Windows, and Mr-Glass, which means the right product gets matched to the job rather than the job forced to fit one brand. Nassau Bay customers who need impact-rated glazing for wind mitigation forms get PGT and CGI units with Miami-Dade NOA documentation. When you need parts or a warranty call, we can order directly from the manufacturer without the delay of a distributor who doesn’t know the local codes. Our Window Installation team handles everything from single openings to whole-home replacements.
Common Window Installation Problems We See in Nassau Bay Homes
- Salt-corroded aluminum frames and hardware. Homes built between 1965 and 1985 in Nassau Bay almost always have original aluminum windows, and the humid subtropical climate accelerates pitting on the frames and lock mechanisms. Setting a new window into a corroded jamb without remediation leaves a weak point that fails before the first major storm.
- Slab settlement throwing openings out of square. The expansive clay soils near Galveston Bay cause original sliding glass doors and adjoining window jambs to settle 1/2 inch to 3/4 inch over decades. A new window installed into a skewed opening binds and loses its air seal within a year, which is why we re-align before we install.
- Non-rated impact windows that fail the wind mitigation form. We’ve seen homeowners pay for “impact” windows that weren’t Miami-Dade NOA or Florida Product Approved for this wind zone. The mitigation form gets rejected, the insurance discount never comes, and the homeowner has to buy the job twice.
- Failed seals on single-pane replacements. Some contractors install double-pane insulated glass in Nassau Bay without accounting for the humidity and solar load. Without proper spacer systems, the seal fails within two to five summers and the glass fogs permanently. We use manufacturer-certified insulated glass units with the appropriate sealant for Gulf Coast exposure.
Pricing for Window Installation in Nassau Bay, TX
Here’s what we tell people in Nassau Bay before they sign anything. A single-window replacement, standard size, mid-range vinyl or aluminum, runs $680 – $1,450 installed. Impact-rated units from PGT or CGI add $600 – $1,800 per opening depending on size and design pressure rating. A full-home replacement on a 1,800-square-foot patio home, 9 to 12 openings, runs $9,500 – $19,000 with standard insulated glass. If you need slab re-alignment before window work, that’s a separate line item that runs $400 – $1,200 depending on how far the slab has moved. Every quote you get from us is written, line-itemed, and fixed before work starts. We do not revise prices at the door. Call (325) 326-4211 for a free estimate, and you’ll have the number in writing before the appointment is over.
We Also Serve Cities Near Nassau Bay
While this page focuses on Window Installation in Nassau Bay, our crews also cover Houston, The Woodlands, Sugar Land, and Humble. If you’re outside Nassau Bay proper but still in the Bay Area, call us, and we’ll tell you straight whether we service your street. Scheduling and dispatch run from our Dallas-Fort Worth office, and installation crews drive to Nassau Bay every week.
Serving Nassau Bay, TX - Our Local Coverage Area
We’re based in the Nassau Bay 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 Nassau Bay
West of Highway 146 in Nassau Bay, windows on most single-family homes need to meet a design pressure rating of at least DP 40, though openings within a mile of Galveston Bay and any window facing the water often require DP 50 or higher. Wind-load requirements in this zone are set by the Texas Department of Insurance windstorm code, and your specific rating depends on your home’s exposure category. We calculate the required rating for your exact opening before we order glass. Call (325) 326-4211 and we’ll come out and give you the number for your address.
Yes, in most cases, if you replace with Miami-Dade NOA-rated impact units and complete the Texas wind mitigation form properly, your insurer can apply a hurricane-loss mitigation credit that reduces your premium. The key is documentation: the glass package, the product approval number, and the installation must all match what the form requires. We’ve had Nassau Bay homeowners on Upper Bay Road get the credit applied retroactively after we replaced nine windows and a sliding door with rated CWS and PGT units. Bring us your insurer’s form and we’ll install to match it exactly.
Because your patio home sits on expansive clay that has shifted the slab, and a new window set into an out-of-square opening will bind, leak, and lose its impact rating within a year. We re-align the opening first, then set the new window or door into a square frame. In one Upper Bay Road home, the slab had settled 3/4 inch at the door jamb before we touched a single window; we corrected the opening, installed CWS casements and a PGT slider, and the homeowner’s wind mitigation inspection passed on the first visit.
Yes, Nassau Bay requires a permit for window replacement, and the inspector checks that the new units meet the wind-load requirements for your structure, that flashing and water-resistive barriers are installed correctly, and that all openings match the approved plans. We pull permits and schedule inspections on every job, because a window installation that skips the permit is a problem waiting for the day you sell the house or file a claim. Our quotes include the permit line item, so it’s never a surprise at the end.
Yes, PGT and CGI windows with Miami-Dade NOA documentation and Florida Product Approval labeling are accepted on Texas wind mitigation forms for this wind zone when installed to the manufacturer’s specifications. Both brands carry the large-missile impact ratings that the form asks about. After installation, we give you the product approval documents, the glass package details, and a completed installation checklist so your inspector can verify everything without a callback. Call (325) 326-4211 and we’ll walk you through the documentation for your exact home.
If you live in Nassau Bay and you’re tired of quotes that shift at the door, call Westlight Windows Houston at (325) 326-4211. Owen Satterfield and our team will give you a written price before any work starts, show up when we said we would, and hand you the Kingswell Guarantee in writing when the job is done. If it fails within the guarantee period, we come back and fix it at no charge. That’s the whole deal.
Written by Owen Satterfield, Owner at Westlight Windows Houston, serving Nassau Bay 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.