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
How Much Does Windows & Doors Cost in Houston?
Most Houston homeowners spend between $450 and $1,400 per window installed in 2026, with whole-home window replacement for a 10-window house typically running $6,000 to $15,000. Entry door installation runs $900 to $3,500 depending on material and whether the frame needs work. Those are real, current numbers for the Houston market, not national averages that ignore how coastal humidity and hurricane code requirements shape what we pay here.
This guide breaks down exact pricing for window replacement, new door installation, and the factors that swing a quote by thousands of dollars. It’s written by Owen Satterfield at Westlight Windows Houston, where we’ve installed windows and doors across the Houston area since 2009. Every number below reflects what we bid on jobs in places like The Heights, Katy, Sugar Land, Pearland, Cypress, and Clear Lake in the past twelve months.
Windows & Doors Cost Breakdown (2026)
Here’s the pricing table we work from when homeowners ask us for a ballpark before a site visit. These figures include labor, materials, and standard cleanup. They assume a normal single-family home with no structural surprises.
| Item | Typical Houston Price Range (Installed) |
|---|---|
| Single-hung vinyl window (replacement) | $450 – $750 per window |
| Double-hung vinyl window (replacement) | $550 – $900 per window |
| Casement window (vinyl, standard size) | $650 – $1,100 per window |
| Impact-rated window (PGT or CGI, per window) | $900 – $1,800 per window |
| Full-frame window replacement (not insert) | $850 – $1,400 per window |
| Entry door, fiberglass (Therma-Tru) | $1,200 – $2,800 installed |
| Entry door, steel | $900 – $2,200 installed |
| Sliding patio door (vinyl, standard 6-foot) | $1,500 – $3,200 installed |
| French door (fiberglass, pre-hung) | $1,800 – $4,000 installed |
| Whole-house window replacement (10 windows, vinyl, mid-grade) | $6,000 – $15,000 |
| Whole-house window replacement (10 windows, impact-rated) | $10,000 – $20,000 |
A few things worth knowing about these numbers. First, Houston homes split into two broad pricing camps: those built before 1990 and those built after. Older homes in neighborhoods like Timbergrove or Meyerland frequently have wood frames, odd window sizes, or casement windows that require more labor to replace. A 1960s ranch in Pasadena with original aluminum frames will cost more per window than a 2010 build in Katy with standard vinyl openings, because we’re rebuilding the opening, not just swapping the sash.
Second, impact-rated windows are a significant price jump, but they’re increasingly common in Houston for reasons that have nothing to do with hurricanes. They cut heat gain enough that many homeowners in the 77005 and 77079 ZIP codes see a real drop in summer cooling bills. PGT WinGuard and CGI Sentinel are the two lines we stock most often for that purpose. If you’re near the coast in Galveston or League City, impact rating is a code requirement. If you’re in Cypress or Tomball, it’s a comfort decision.
Doors are simpler. A Therma-Tru fiberglass entry door runs higher than steel because it resists the humidity-driven warping and swelling that Houston throws at every exterior door. We’ve replaced enough swollen steel doors in the 77070 area to know the difference in longevity is real.
What Affects Windows & Doors Pricing in Houston
Five factors move the price more than anything else. Here they are, in order of how much they swing a quote.
- Insert versus full-frame installation. An insert (also called a pocket replacement) fits a new window into the existing frame. It costs 30 – 40% less than a full-frame replacement because we’re not pulling trim, re-flashing, or re-building the rough opening. Most double-hung windows in decent condition qualify. Casements and windows with rotted frames usually don’t.
- Glass package. Standard clear glass is the cheapest option. Adding low-e coating (a thin metallic layer that reflects heat back into the room in winter and out in summer) adds $40 – $80 per window. In Houston, low-e is close to standard because the cooling-season benefit outweighs the small upcharge. Argon gas fill adds another $25 – $50. Triple-pane glass, rare here but growing, adds $150 – $300 per window.
- Impact-rated frames and laminated glass. This is the biggest single line item. PGT and CGI impact products use thicker frames and laminated glass that meets Texas windstorm standards. Expect a 60 – 100% premium over standard vinyl. In Houston proper, it’s optional for most homes. In coastal counties, it’s often mandatory, which is why we quote these more than any other upgrade.
- Window count and access. Single-story homes with ground-level windows are cheapest to work on. Two-story homes where windows sit above rooflines, landscaping, or hardscape require ladders, scaffolding, or two-person teams. A second-story casement replacement in an older Montrose home can run 20 – 30% more than the same window on a ground floor.
- Door complexity. A simple slab swap (new door on existing hinges and frame) runs $500 – $900. A pre-hung door with new frame, threshold, weatherstripping, and sidelights runs $1,500 – $4,000. If the rough opening needs re-framing because of water damage or settling, the price climbs from there. Houston’s clay soil shifts, and we’ve opened plenty of door frames in the Energy Corridor area to find the opening out of square by an inch or more.
How to Save on Windows & Doors
Saving money on windows and doors in Houston isn’t about finding the cheapest bid. It’s about avoiding paying twice. The most expensive window you’ll ever buy is the one installed wrong the first time. Here’s how to keep costs down without ending up with a leaky frame and a contractor who won’t return your calls.
Replace in phases, but plan the phases. You don’t have to do all 14 windows at once. Many Houston homeowners replace the west-facing windows first, since those take the worst afternoon sun, then do the rest over two or three years. That’s a sensible way to manage cost. Just tell your contractor the plan up front so they order product consistently and you don’t end up with mismatched glass packages.
Choose inserts where they qualify. If the existing frames are square, dry, and solid, a pocket replacement saves real money. We don’t push inserts where they don’t fit, but when they fit, they’re the single best price lever available.
Skip the upgrades that don’t pay back in Houston. Triple-pane glass makes sense in Minneapolis. In Houston’s cooling-dominated climate, the payback is poor. Low-e and argon, yes. Triple-pane, rarely. We tell our customers in Sugar Land and Missouri City this exact thing during estimates, even though triple-pane costs more and would pad the invoice. It’s the wrong product for this climate.
Check your local permitting requirements before you commit. Houston proper, Bellaire, West University Place, and many Harris County municipalities require permits for window replacement when the opening size changes. Pulling a permit adds $100 – $300 and a day or two to the timeline. We handle permits for you, but if a contractor quotes a low price and “handles it” without mentioning permits, ask how. That’s where corners get cut.
Get the written price before work starts. This one saves more money than any brand choice. At Westlight, every customer receives a written price before any work begins. Not an estimate, not a ballpark, not a “we’ll see how it goes.” A price. If a contractor won’t put it in writing, walk away. We’ve heard enough stories from Houston homeowners about quotes that grew 30% at the door that we’d rather lose the job than work that way.
Call (325) 326-4211 for a free estimate. A live person answers, 24 hours a day, seven days a week. We’ll schedule a site visit, walk the windows with you, and hand you a written price before you make any decision.
What Else to Consider Beyond the Window Price
There’s a difference between the cost of windows and the cost of window replacement done properly. Houston homeowners who’ve been through a bad install know the pattern: the bid was low, the crew showed up late, the flashing was done wrong, and six months later there’s water staining around the frame. The second contractor has to rip out the window, repair the sheathing, and start over. That repair job costs more than the original install.
Our founder, Owen Satterfield, has been in the window business since 2009, the entire time operating as an independently owned and operated Kingswell location. He started Westlight because he kept seeing what happens when window companies treat Houston like a volume market instead of a place where houses breathe humidity for eight months of the year.
The Kingswell Way, which every Westlight job follows, is built on five commitments: 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. That last part isn’t marketing language. It’s the 365-Day Done Right Promise, and it means that if the work isn’t right within the guarantee period, we return and fix it at no charge. No negotiation, no follow-up calls, no “we’ll see.” The repair is already covered.
We carry eight manufacturer lines: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. That matters because no single brand is right for every Houston home. Impact-rated PGT for coastal properties, ECO Window Systems for energy-focused retrofits in older homes, Therma-Tru for entry doors that won’t swell in July humidity. We match the product to the job, not the other way around.
Background-checked, uniformed technicians do every installation. When the crew shows up, you’ll know who’s walking through the door, and they’ll know what they’re there to do because the price and scope are already in writing.
The name Westlight, by the way, comes from the late-afternoon sun that pours through a good window. Bright, warm, and worth doing right. That’s the standard we hold every job to, from a single bedroom window in a Meyerland ranch to a full impact-retrofit in League City.
FAQs – Windows & Doors Cost
How much does window replacement cost per window in Houston?
Most standard vinyl replacement windows in Houston run $450 to $900 per window installed in 2026. Impact-rated windows from PGT or CGI run $900 to $1,800. Full-frame replacements run $850 to $1,400. If a bid comes in well below $400 per window, ask what’s included, because someone is cutting something. Call (325) 326-4211 for a free written estimate.
Is it cheaper to repair windows or replace them?
In Houston, single-window repairs like glass replacement run $150 to $450, while a full window replacement runs $450 to $1,400. If the frame is intact and it’s just a broken pane or failed seal in one window, repair wins. If you’re chasing repeated seal failures or drafts across multiple windows, replacement usually beats repeated repairs within five years. We’ll tell you which makes sense during a free site visit, not push you toward the bigger invoice.
How much does a new front door cost in Houston?
A new entry door in Houston costs $900 to $2,800 for steel and $1,200 to $3,500 for fiberglass, installed. Therma-Tru fiberglass doors run toward the higher end because they resist Houston’s humidity-driven warping and swelling better than steel. A pre-hung door with new frame and sidelights runs $2,500 to $4,000. Call (325) 326-4211 and we’ll price your exact door in writing before any work starts.
Can you replace windows in Houston the same day?
Most standard window replacements in a Houston home take one to two days depending on the count. A single window is routinely done same-day. A whole-house job of 10 to 14 windows typically takes two to three days. We give you a committed arrival window before the job starts, and a live person answers the phone 24/7 if you have questions the day of.
How much does impact-rated window installation cost in Houston?
Impact-rated window installation in Houston runs $900 to $1,800 per window, installed. The premium over standard vinyl ranges from 60% to 100% because the frames and laminated glass cost more and the install has stricter flashing and attachment requirements. In coastal counties like Galveston, impact-rated windows are often required by code. In Houston proper, they’re a choice driven by energy savings and storm protection. We stock PGT and CGI and quote both.
Does Westlight charge for estimates?
No. Estimates are free, and you leave with a written price, not a verbal range. Call (325) 326-4211 and a live person will schedule a time that works for you. We show up in the window we give and leave the site cleaner than we found it, whether you buy from us or not.
Pricing reflects the Houston market as of 2026. Westlight Windows Houston offers free estimates – call (325) 326-4211.
Written by Owen Satterfield, Owner at Westlight Windows Houston, serving Houston 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.
Other Westlight Windows Houston Services
What Neighbors Say About Westlight Windows Houston
What Our Customers Say
"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"Two bedroom windows that never opened and one that wouldn't stay up. All replaced in an afternoon. The crew was clean, hauled off the old frames, and the quote held."
- Colette Rhee