Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Katy
Window replacement in Katy typically runs $550-$1,400 per window for insert installations and $900-$2,200 per opening for full frame replacement, depending on the frame material, glass package, and whether the original builder-grade unit is being pulled from brick veneer. Most Katy homes we see were built between 1994 and 2010, and the original vinyl windows in those houses are now hitting the 20-25 year mark where insulated glass seals fail and frames get brittle. If you are in Cinco Ranch, Grand Lakes, Nottingham Country, or anywhere in the 77450 zip code, call (888) 635-0804 and a live person will answer, day or night.
We work Katy subdivisions every week. Our crews know the builder-grade window lines that went into these tract homes, the HOA architectural rules that govern replacements, and what post-Harvey remediation did to the window openings in flooded neighborhoods near the Barker Reservoir. This is not a market we drive through on the way to somewhere else. It is where our customers live, and where we plan to keep working for the next thirty years.
Why TruePane Windows & Doors Is Katy’s Preferred Window Replacement Company
TruePane Windows & Doors was founded by Dale Kessler, a second-generation glazier, on a rule that still hangs on the shop whiteboard: if the pane is not true, the job is not done. We have served local communities since 2008 through that craft tradition, and Katy homeowners call us because we write down what we promise. Both manufacturer warranty layers get registered in writing before the truck leaves your driveway. The workmanship is guaranteed for 90 days under our Done Right Promise. No fine print, no arguing.
Our technicians are background-checked and uniformed. They measure every opening twice, quote manufacturer lines side by side on paper, and work in your home the way they would work in their own mother’s house. When a Katy homeowner calls with a fogged seal or a sash that will not stay open in July humidity, they reach a person, not a voicemail tree. A live person answers 24 hours a day, 7 days a week.
Katy customers keep our trucks busy for a reason. In a suburb where thousands of homes were built in the same ten-year window with the same builder-grade materials, we see the same failure patterns across entire subdivisions. That repetition means we know exactly what we are opening up when we pull a window on a Grand Lakes or Cinco Ranch home, and we bring the right flashing, the right sill pan, and the right answer the first time. Dale Kessler set the standard: a square deal, upfront pricing, and a company that still answers the phone if something goes wrong.
Our Window Replacement Services in Katy
Full Frame Replacement
When the entire window assembly, including the frame, is rotted, twisted, or compromised by post-flood moisture intrusion, a full frame replacement is the honest fix. In Katy’s brick-veneer tract homes, this means carefully pulling the old frame without damaging the brick, correcting any sill pan deficiencies left from original construction, and setting the new unit true in all four corners. Full frame work in Katy typically runs $900-$2,200 per opening. We pull permits when required and the work passes inspection before we call it done.

Insert Window Replacement
For most Katy homes built in the 1990s and 2000s, an insert replacement is the most practical approach. The new window is set inside the existing frame, preserving the brick veneer and trim work while replacing the failing sash and glass. In Cinco Ranch and Grand Lakes, where HOA rules often require replacing like-for-like from the street elevation, inserts let homeowners upgrade to low-E glass and argon fill without triggering an architectural review. Insert window replacement in Katy typically runs $550-$1,400 per window.

Storm Window Replacement
Katy sits on the flat prairie with direct exposure to Gulf-origin storms, and Harvey in 2017 rewrote what local homeowners expect from exterior openings. Storm window replacement here means more than swapping glass. It means upgrading to impact-rated glazing where the budget allows, adding proper weatherstripping, and making sure sill pans drain away from the house rather than into it. Homes in Nottingham Country and Canyon Gate that sat in floodwater for days during Harvey’s controlled releases need particular attention at the window perimeter, where original construction often skipped adequate sill flashing.

Energy-Efficient Upgrades
The Houston-area climate punishes windows. Katy’s intense UV exposure accelerates vinyl frame oxidation and causes insulated glass unit seals to fail faster than they would in a drier climate. An energy-efficient upgrade here is not a luxury, it is a repair with a payback. We quote low-E coatings, argon or krypton fill, and thermally broken frames side by side on paper so you can see exactly what each option costs and what it saves. A typical energy-efficient insert package in Katy runs $700-$1,700 per window depending on glass specifications.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Katy
We are an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, and ES Windows. For Katy customers, that means we quote side by side on paper and you choose the line that fits your budget and your HOA requirements. We regularly install PGT impact-rated units in Katy neighborhoods near the Barker Reservoir flood pool, and CGI windows show up often on homes where the owner wants a high-design pressure rating without changing the street elevation look. Our Window Replacement team keeps common components in stock for fast turnaround, so a warranty part or a replacement sash is not a six-week wait.
Common Window Replacement Problems We See in Katy Homes
- Builder-grade vinyl frame brittleness from UV exposure. The original windows in thousands of Katy tract homes were installed in the 1990s and 2000s using the cheapest vinyl extrusion the builder could source. Two decades of prairie sun makes those frames chalky, brittle, and prone to hairline cracks that grow into air leaks.
- Simultaneous IGU seal failures across entire subdivisions. We do not see one fogged window in a Cinco Ranch home. We see six, because the same builder put the same glass in the same walls on the same schedule. When one seal goes, the rest are usually not far behind. Homeowners often report chronic interior fogging they have been wiping down for years, not realizing the glass itself has failed.
- Post-Harvey moisture intrusion at window perimeters. Original construction in many Katy homes skipped proper sill pan installation. After Harvey saturated the ground for days and wind-driven rain worked every opening, water found those gaps. The fix is not caulk. It is pulling the window, installing a proper drainage plane, and resetting the unit correctly.
- Sash warping and binding in high humidity. The Houston subtropical climate makes vinyl expand and contract. Cheap builder-grade sashes warp, doors bind in July, and windows that will not close leak conditioned air. The permanent fix is a fusion-welded frame replacement that resists that movement instead of fighting it.
How Much Does Window Replacement Cost in Katy, TX?
A typical insert window replacement in Katy runs $550-$1,400 per window for a standard double-hung with low-E glass. Full frame replacement runs $900-$2,200 per opening. Storm-rated or impact-rated upgrades add $300-$800 per window depending on the design pressure rating and glass package. Energy-efficient packages with argon fill and thermally broken frames generally land in the $700-$1,700 per window range. A whole-home replacement of 12 to 15 windows in a Katy brick-veneer home typically runs $9,000-$24,000 depending on the line chosen and whether any openings need full frame work.
What moves the price: whether it is an insert or full frame, the glass package, the frame material, access from a second story, and whether the original opening has hidden damage from water intrusion. We give written line-item quotes, no surprise line items on the bill, and most jobs wrap up in a single visit. Call (888) 635-0804 to schedule a free estimate. You will get a real quote on paper, not a ballpark.
We Also Serve Cities Near Katy
TruePane crews work throughout Katy and the surrounding communities every week, including Barker, Alief, Sugar Land, and Cypress. If you are on the edge of Katy or in a neighboring city, the same live-answer phone line and the same Done Right Promise apply. Call (888) 635-0804 and tell us where you are.
Serving Katy, TX - Our Local Coverage Area
We’re based in the Katy 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 - Window Replacement in Katy
Seal failure often shows up first as a slight haze or a film between the glass panes that you only notice in certain light, not as obvious fog. Run your finger along the inside of the glass on a humid morning. If you feel condensation you cannot wipe away from either side, the seal has failed. Also check whether the window feels warmer than it should in summer or whether outside noise has gotten louder over the years. Both are signs the insulating gas has leaked out. If you suspect seal failure, call (888) 635-0804 and we will send a technician to check. The inspection is free.
In most cases, no. Builder warranties on windows typically run 10 years from the original construction date, and most Grand Lakes and Cinco Ranch homes built in the 1990s and 2000s are already past that window. The new windows you install carry their own manufacturer warranties, which we register in writing, in your name, before the truck leaves the driveway. That is part of our Keystone Standard. Call (888) 635-0804 and we will confirm what your original warranty still covers before you spend a dollar.
Many Katy master-planned community HOAs, including several in Cinco Ranch and Grand Lakes, require that front-elevation windows match the original style and finish. Some require a specific color or frame profile. We work with Katy HOAs regularly and can pull the architectural guidelines for your subdivision before you order anything. That prevents the expensive mistake of buying windows the HOA will make you replace twice. Call (888) 635-0804 and tell us your subdivision. We will check the requirements.
An insert replacement preserves the existing brick veneer and exterior trim while replacing the failing sash, glass, and hardware inside the original frame. For most Katy brick homes, inserts cost 30-40% less than full frame work because there is no masonry disturbance and no exterior repainting. The trade-off is that inserts cannot correct a rotted or water-damaged frame. If the original sill pan was inadequate or Harvey flooded the opening, full frame replacement is the honest fix because it lets us install proper drainage and flashing. Call (888) 635-0804 for an exact quote on your openings. Estimates are free.
Impact-rated windows protect against wind-borne debris during storms, not against floodwater. For a Katy home outside the Barker Reservoir flood pool, the main question is whether you want the added wind protection and the potential insurance discount. Impact-rated glazing adds $300-$800 per window over standard low-E glass. For homes in Nottingham Country or Canyon Gate that sat in floodwater for days during Harvey, flood-resistant threshold assemblies and proper drainage matter more than impact glass. Call (888) 635-0804 and we will help you decide what your house actually needs, not what the showroom wants to sell.
One More Thing About Katy Vinyl Windows
In Katy’s master-planned communities like Cinco Ranch and Grand Lakes, thousands of original 1990s-2000s builder-grade vinyl windows are reaching the 20-25 year seal failure threshold simultaneously. This creates a replacement wave unique in scale to this suburb. Drive down any street in Grand Lakes on a humid morning and you will see the telltale fog in the glass. Our crew recently replaced failing double-hung windows in a Grand Lakes home where the original insulated glass units had fogged across every west-facing elevation. We installed fusion-welded frame replacements with low-E glass and argon fill, and used flashing tape at the jambs before reinstalling the existing brick veneer trim to match neighborhood standards. That is the kind of work true replacement in Katy requires, because the homes are uniform enough that the right fix is knowable, and the wrong fix gets repeated down the whole block.
Call TruePane for Window Replacement in Katy, TX
You are not shopping for the cheapest bid, and neither are we. If you want windows measured twice, quoted on paper, installed true, and backed by a company that answers the phone when you call, call (888) 635-0804. We will schedule your free estimate, show up when we say, and give you a written quote you can hold us to. If the pane is not true, the job is not done. That is the standard, and it applies to every window we set in Katy.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Katy with window replacement, installation, and repair backed by The Keystone Standard and the Done Right Promise.



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