Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Southlake
Window installation in Southlake is rarely a simple like-for-like swap. The city’s homes are large, architecturally detailed, and often governed by HOA rules that add a review step most out-of-town crews ignore until it’s too late. TruePane Windows & Doors has spent years working the Timarron, Monticello, and Carillon neighborhoods, and we know what the committees want to see before they’ll sign off. If you’re replacing original builder windows that have started to fog or leak, call us at (888) 635-0804. We’ll walk the job, check the openings, and give you a written line-item quote before any work is scheduled.
Why TruePane Windows & Doors Is Southlake’s Preferred Window Installation Company
Southlake homeowners don’t usually ask for the cheapest bid. They ask who’s going to stand behind the work, and who’s going to answer the phone in ten years when a seal fails. That’s the question we built this company to answer. Dale Kessler founded TruePane in 2008 after forty-plus years of watching out-of-square installs and voided warranties get fixed with shrugs instead of labor. The rule on the whiteboard has not changed since: if the pane is not true, the job is not done.
We’re an authorized installer for more than a dozen manufacturer lines, including, and PGT. That matters in Southlake because you’re not shopping for a generic window. You’re replacing a two-story foyer glass bank or a run of oversized rear windows that face due west and catch every bit of the Texas afternoon sun. We quote manufacturer lines side by side on paper so you can see exactly what you’re paying for, and we register both warranty layers in writing before the truck leaves your driveway. That’s The Keystone Standard, and it’s backed by a Done Right Promise on every install. No paperwork fights. No arguing. If it’s not done right, we make it right.
Our Window Installation Services in Southlake
We install, replace, and service the full range of residential windows across Southlake. These are the four we see most often on the city’s custom and semi-custom homes. Each has its own installation demands, and we spec them differently depending on orientation, exposure, and what the HOA will approve.
Casement Windows
Casement windows are common in Southlake kitchens and sunrooms, where homeowners want full ventilation and a clean sightline. They crank outward, which means the hardware has to be set dead-level or the sash binds within a season. We measure every opening twice and shim to within a sixteenth before the trim goes back on. For west-facing casements, we recommend spectrally selective low-E coatings to keep the crank hardware from heat-soaking and the glass from turning the room into an oven in July.

Awning Windows
Awning windows hinge at the top and open outward, which makes them a practical choice for upper-story Southlake bathrooms and laundry rooms where privacy matters but airflow is a priority. They’re also one of the few designs that can stay open during a light rain without water pooling on the sill. Installation has to account for drainage at the sill pan, particularly on stucco and brick veneer elevations where even a minor flashing error will show up as water staining within two years. We flash them the way the manufacturer’s installation guideline specifies, every time, no exceptions for speed.

Fixed & Picture Windows
Southlake’s great rooms and stairwells lean heavily on fixed and picture windows. These are the oversized glass panels that frame the golf-course views in Timarron and the rear-yard poolscapes across the city. They don’t open, so the installation focus shifts entirely to seal integrity, header support, and rough-opening waterproofing. On wide-mulled assemblies, especially the original aluminum-clad units from the late 1990s and early 2000s, we routinely find seal failure and water intrusion at the head flashing. We keep oversized flashing stock on hand for exactly these Southlake configurations and have for years.

Single & Double Hung
Double-hung windows are the workhorse of Southlake’s traditional elevations. They’re specified in dozens of the city’s brick-and-stone custom homes, often with divided-light grids to match the original architecture. Installation requires careful sash alignment and weatherstripping so the window operates smoothly in every season, and the balance system holds without creeping. When we replace double-hungs under HOA review, we match the grid pattern and color to what the committee approved originally, which eliminates the most common denial reason we see.

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.
Trusted Brands We Service in Southlake
We’re an authorized installer for, PGT, CGI, and ES Windows, which means our crews are factory-trained on the specific fastening patterns, flashing sequences, and expansion tolerances each manufacturer requires. In Southlake, we install and service a lot of Andersen A-Series, Marvin Ultimate, and PGT impact lines. We also stock repair parts for PGT, CGI, and CWS, and our Southlake customers don’t wait weeks for components to ship from out of state. When a sash balance fails or a seal goes, our techs arrive with what they need and usually complete the repair in one visit.
Common Window Installation Problems We See in Southlake Homes
- Head flashing failures on wide-mulled foyer assemblies. Two-story foyer window banks in Timarron and similar communities often still have the original builder-grade aluminum-clad frames. We find water intrusion at the head flashing on these more than any other failure mode in the 76092 zip code, which is why we stock the oversized flashing material needed to correct it properly.
- HOA review filed too late. Some contractors won’t tell a homeowner that the architectural committee needs to approve grid pattern, color, and material before work begins. Then the windows come out and the house sits exposed for three weeks while the committee meets. We file the submittal packet before we order materials. The calendar is set around the approval, not the other way around.
- Reusing old flashing tape and drip caps. On large window banks, pulling the old unit and slapping the same tired flashing back on is a shortcut that catches up fast. Southlake’s storms and summer heat cycles accelerate the failure. We replace flashing, drip caps, and head flashing on every opening we touch.
- Standard clear glazing on west-facing rear windows. Southlake’s many large rear windows take direct afternoon sun, and clear glass turns those rooms into greenhouses. Our Window Installation team specs low-SHGC, spectrally selective low-E coatings on any west-facing replacement unless the homeowner specifically requests otherwise, and we’ll show you the numbers before you decide.
Pricing for Window Installation in Southlake, TX
Window installation pricing in Southlake runs higher than in neighboring cities, and that’s not markup. It’s the scope of the work. A standard double-hung replacement in a typical Southlake home runs $900 to $1,800 per opening installed. Casement windows run $1,200 to $2,400 per unit. Fixed and picture windows on large great-room assemblies run $1,800 to $4,500 per opening, depending on glass area and whether the unit is mulled. Bay and bow window installations start around $4,500 and run past $10,000 on larger custom configurations. Impact-rated glazing adds 30 to 60 percent to material cost, which matters in Southlake’s hail corridor. Every estimate is free, written, and line-item. Call (888) 635-0804 and we’ll come measure.
Southlake’s HOA Architectural Review: What It Means for Your Window Project
If you live in Timarron, Monticello, Carillon, or any HOA-governed community in Southlake, your exterior window replacement has an approval step before the first tool comes out. The architectural review committee looks at grid pattern, frame color, material, and sometimes the manufacturer’s spec sheet. They want to see that the replacement matches the home’s original elevation and the community’s design standards. That review typically adds two to four weeks to the calendar, and it has to be filed correctly. Missing a required drawing or failing to state the mullion profile is the fastest way to a deferral and another month of waiting.
We handle the submittal packet ourselves. We prepare the drawings, pull the manufacturer product sheets, note the existing grid pattern and paint code, and include photos of the openings as they exist today. Then we schedule the tear-out for right after committee approval lands, so your rough opening is never exposed for weeks while a committee meets. On a two-story foyer in Timarron, our crew replaced the original builder-grade aluminum-clad windows that had failed at the head flashing on a wide-mulled assembly. We pulled permits and filed the HOA architectural application with the specified Andersen A-Series double-hungs, low-E glass, and matching grid pattern, then scheduled the tear-out for right after committee approval so the rough opening wasn’t left exposed. That’s the way it should work, and it’s the way we do every job in this city.
We Also Serve Cities Near Southlake
Our crews work throughout the area around Southlake, including Colleyville, Grapevine, Roanoke, and Flower Mound. If you’re in one of those cities and searching for Window Installation in Southlake, you’ll get the same TruePane crew, the same warranty registration, and the same straight numbers. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office; the technicians who knock on your door serve Southlake and the surrounding communities locally.
Serving Southlake, TX - Our Local Coverage Area
We’re based in the Southlake 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 Installation in Southlake
Southlake HOA architectural review typically adds two to four weeks to a window installation timeline, depending on the community and how complete the submittal is. Timarron and other master-planned neighborhoods hold committee meetings on a set schedule, and a deferral pushes you to the next meeting. That’s why TruePane prepares and files the architectural submittal packet before materials are ordered, and schedules tear-out for after approval. Call (888) 635-0804 and we’ll tell you what your specific HOA requires and how long it’s likely to take.
Southlake HOAs most often approve white or bronze aluminum-clad frames, Andersen A-Series or Marvin Ultimate lines, and divided-light grid patterns that match the home’s original elevation. Warm wood interiors are common in the city’s traditional brick-and-stone elevations, and the committees generally want to see the same grid profile on the replacement as on the original. We keep a record of every approval we’ve filed in Southlake communities, which lets us quote materials the committee is already familiar with.
Many Timarron homes were built in the late 1990s and early 2000s with wide-mulled, builder-grade aluminum-clad windows that use a continuous head flashing detail prone to water pooling at the mull joints. After fifteen to twenty-five years of North Texas storms and 100-degree heat cycles, the sealant at those joints fails and water tracks in along the head. We replace the flashing, the drip cap, and the head flashing on every opening, not just the glass. That’s the only fix that holds.
Southlake sits in North Texas’s severe-hail corridor, and storms producing golf-ball to baseball-sized hail have repeatedly damaged glazing across the city. Impact-rated glazing isn’t required by every Southlake HOA, but many homeowners carry it because insurance carriers in the area increasingly write it into policies, and the glass holds up better against both hail impact and windborne debris. Our estimators can show you the cost difference between standard and impact glass on the exact windows you’re replacing. Call (888) 635-0804 for a written side-by-side comparison.
On a 4,000-plus square-foot Southlake home with large west-facing window banks, upgrading to ENERGY STAR certified windows with spectrally selective low-E coatings and low-SHGC ratings will typically lower cooling costs during the months when the air conditioner runs hardest. The biggest savings come from the windows that catch direct afternoon sun. We’ll calculate the solar exposure on each opening and recommend glass packages that fit the orientation, so you’re not paying for high-performance glazing on a shaded north wall that won’t pay it back.
If you’re in Southlake and you’re tired of fogged glass, drafty frames, or a door that binds in July, call TruePane Windows & Doors at (888) 635-0804 for a free, written estimate. A live person answers the phone 24 hours a day, and we’ll schedule a time that works for you. We stand behind the work. We put it in writing. And if the pane is not true, the job is not done.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Southlake and the surrounding communities with years of glazier’s craft and a Done Right Promise on every job.



Before
After
Before
After
Before
After