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 Lockhart
Lockhart Window Replacement almost always means a full tear-out. The homes here, mostly 1950s and 1960s concrete block ranches, were built with aluminum jalousie windows and single-pane sliders that no longer meet Orange County’s wind-load or energy code. When we pull those old units, the rough openings rarely pass inspection for reuse, so the job becomes a complete replacement and reframe. We know that before we even show up, and we price for it honestly. If you’re on Claiborne Drive or over near Lake Weston and you’re tired of sweating through July while your AC runs nonstop, call (954) 280-4413 for a free estimate. Dale Kessler and our crew have been doing this work in Central Florida long enough to know what’s behind those walls before the first cut.
Why TruePane Windows & Doors Is Lockhart’s Preferred Window Installation Company
We’re a second-generation glazier’s shop, not a franchise. Dale Kessler founded TruePane in 2008, and the rule on the whiteboard has never changed: if the pane is not true, the job is not done. Lockhart homeowners call us because we answer the phone with a live person, 24 hours a day, and because we put pricing on paper before we start. No surprise line items. No second appointment left hanging.
Our Window Installation team works in Lockhart regularly. We know the block homes off Edgewater Drive and the older rentals around Roseberry Drive. We know Orange County’s permitting office, and we know what their inspectors flag on rough openings in these 1960s CBS ranches. That local knowledge means we quote the job accurately the first time, including the tear-out and anchoring work other companies discover mid-job and bill you for later.
The reviews from Lockhart customers mention the same things: technicians showed up when they said they would, wore uniforms, measured every opening twice, and registered both warranty layers in writing before the truck left the driveway. That’s The Keystone Standard, and it’s not a slogan. It’s how we work.
Our Window Installation Services in Lockhart
Every job in Lockhart starts with the rough opening. We don’t measure the glass and call it done. We check the block, the jamb depth, the anchor points, and the condition of the concrete around the opening. Then we quote the job for what it actually is, not what it might be.
Sliding Windows
Sliding windows are the most common replacement we install in Lockhart, because they match the horizontal openings of the original 1950s and 1960s ranch homes while giving you modern weatherstripping, low-E glass, and a track that won’t corrode shut. We can walk you through both standard vinyl sliders and impact-rated sliders. On a block home, proper anchoring matters more than the glass itself. We set anchors into sound concrete, not spalled edges, and we flash the opening so wind-driven rain stays outside where it belongs.

Impact-Rated Sliders
Lockhart is inland, but Orange County still enforces wind-load certification under the Florida Building Code. That means impact-rated products are required or strongly recommended depending on your opening size and exposure. We carry PGT and CGI impact sliders, and we’re an authorized installer for both lines. For homeowners in Lockhart who want one product that handles the summer storm season and the humidity year-round, Impact Windows & Doors - Lockhart with impact-rated sliders are the most practical choice.

Single & Double Hung Windows
For Lockhart’s modest ranch homes, Energy-Efficient Windows - Lockhart like single and double hung windows in vinyl offer the best value. They seal tight against the humidity, they operate with one hand, and they shed rain well because of the vertical design. The catch on older block homes is the rough opening, which is often undersized for modern jambs. We reframe and anchor properly, permitted through Orange County, so the window sits true and the sash doesn’t bind in July.

Fixed & Picture Windows
A fixed picture window is a smart upgrade for a Lockhart living room that faces the yard. No moving parts means fewer failure points, and the large glass area gives you light without air leaks. We quote these side by side with manufacturer lines on paper so you see exactly what you’re buying, including the glass package and the U-factor. On a block home, we pay special attention to the lintel above the opening before we remove anything load bearing.

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 Lockhart
We’re an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, and ES Windows. For Lockhart specifically, we stock PGT and CGI impact products because they’re the most commonly specified for Orange County wind-load permits, and we keep Ply Gem vinyl lines available for budget-conscious replacements. Being authorized means we register both warranty layers in writing, with durations stated, before the truck leaves your driveway. If a seal fails or a track binds, the manufacturer knows who we are and we handle the claim. You don’t get handed a phone number and a wish.
Common Window Installation Problems We See in Lockhart Homes
- Corroded jalousie tracks that bind and jam. The glass-louvered windows original to Lockhart’s 1950s and 1960s rentals warp and seize, leaving gaps no amount of caulk will close. The fix is replacement with a sealed, insulated unit, not another tube of weatherstripping.
- Failed seals on single-pane aluminum frames. Lockhart’s humidity runs above 70% most of the year, and that moisture attacks the seal between glass panes. Permanent fog inside the window means the argon fill is gone and the insulating value is close to zero.
- Undersized rough openings in concrete block walls. The original openings in these mid-century CBS homes are often too shallow or too narrow for modern jambs and anchor plates. You can’t make a code-compliant install by shimming; the opening has to be reframed, and that work should be priced in the contract from day one.
- Spalling concrete around window bucks. Decades of Central Florida rain wicking into the block causes the edges around window openings to crumble. If an installer cuts a new unit into spalled block without repairing it, the anchors will never hold under wind load, and the window will shift over time.
Pricing for Window Installation in Lockhart, FL
A full tear-out replacement of an original jalousie or aluminum slider in Lockhart typically runs $850 to $1,800 per opening, including the window, tear-out, rough-opening repair, anchoring, flashing, and Orange County permit. A standard vinyl single or double hung on a block home starts around $750 to $1,200 per window. Impact-rated sliders from PGT or CGI run $1,400 to $2,600 per unit depending on size and glass package. If your rough opening needs reframing, expect $300 to $700 per opening for lumber, block repair, and anchoring hardware. Those are real numbers for this market, written on paper before we cut. We don’t quote low and bill high. Call (954) 280-4413 and we’ll measure every opening, run the numbers side by side by manufacturer, and give you a written price. The estimate is free.
We Also Serve Cities Near Lockhart
TruePane serves homeowners across this part of Orange County, including Window Installation in Lockhart and the surrounding communities of Acacia Villas, Alafaya, Altamonte Springs, and Altoona. If you’re just outside Lockhart’s unincorporated boundary, we’ll be there when we say, with the same licensed crew and the same written warranty on every job.
Serving Lockhart, FL - Our Local Coverage Area
We’re based in the Lockhart 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 Lockhart
Because the rough openings in Lockhart’s 1950s to 1970s concrete block homes predate the modern Florida Building Code, and Orange County inspectors almost never pass an original frame for reuse once the old window is out. The jamb depth is wrong, the anchor points are gone, or the block has spalled. Full tear-out to reframe and anchor to current code is the near-universal job type here. Call (954) 280-4413 and we’ll confirm what your openings need before we quote, so there’s no mid-job surprise.
They have to go. Jalousie windows cannot be insulated, cannot be sealed, and cannot meet Orange County’s wind-load standards no matter what you do to them. Every local installer who has worked Lockhart for any length of time knows that when a tenant reports a $300 summer power bill, the jalousies are the first thing to check. Replacement with vinyl single-hung or impact-rated sliders is the only path to code compliance and a unit that holds conditioned air. For an exact replacement price on your property, call (954) 280-4413.
When we open a wall to reframe a rough opening, Orange County’s inspector looks at what’s exposed. If the wiring is old cloth-covered or ungrounded and we’ve opened that cavity, the county can require bringing it to current code before we close the wall. The same applies to damaged framing or termite-compromised wood. We handle this by inspecting first, writing realistic allowances into the contract for any exposed condition we anticipate, and pricing any surprise in writing for your approval before we touch it. You won’t get a change order you didn’t sign off on.
Central Florida humidity above 70% attacks the seal between glass panes from the outside in. The desiccant inside the spacer saturates, the seal fails, and the unit fogs permanently from the inside. On aluminum frames, the same moisture pits the metal and corrodes the tracks. A window can look intact from the yard and be functionally dead, which is why we pressure-test and inspect every unit before recommending repair versus replacement. For an honest read on what’s worth saving, call (954) 280-4413.
Lockhart is inland, but Orange County still enforces wind-load certification under the Florida Building Code, and impact-rated products are the simplest way to satisfy that requirement without additional shutters or panels. For openings that face the prevailing summer storm winds, impact-rated sliders from PGT or CGI are what we quote most often. If your budget favors standard laminated glass with a wind-load-rated frame, that’s a conversation we’ll have on paper, side by side, so you see the cost difference before you commit. Call (954) 280-4413 to schedule your free estimate.
Contact TruePane Windows & Doors in Lockhart
If your Lockhart home still has original jalousie or aluminum slider windows, you already know what July feels like. You don’t need more of it. Call (954) 280-4413 for a free estimate. We’ll inspect the openings, run the numbers on the manufacturers we carry, and give you a written price that includes the tear-out, the anchoring, the permit, and both warranty layers registered in writing. Dale Kessler and our crew have been doing this work long enough to know that a window that isn’t true isn’t done. We’ll make it true.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Lockhart and greater Orange County.
Six Reasons Homeowners Choose TruePane Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
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.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.



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