Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Impact Windows & Doors Across Largo
Impact windows and doors in Largo run $850-$1,400 per opening for standard double-hung replacements, and most homes are done in two to three days once permits clear. That’s the straight number, and it’s what you should budget before anyone walks your lot. TruePane Windows & Doors has been doing this work long enough to know that Largo’s pre-1980 ranch homes come with a specific set of problems: jalousie windows that can’t be saved, salt-air corrosion eating through aluminum frames, and building inspectors who enforce Pinellas County’s 130 mph wind-load code without exception. We’re the crew that gets called in after the failed permit pull. Call (954) 280-4413 and we’ll tell you exactly what your house needs, not what’s easy to sell.
Why TruePane Windows & Doors Is Largo’s Preferred Impact Windows & Doors Company
TruePane was founded by Dale Kessler, a second-generation glazier who started the company in 2008 because he was tired of seeing out-of-true installs and voided warranties leave homeowners holding the bag. That’s the whole reason the name exists. Dale’s rule is still on the whiteboard: if the pane is not true, the job is not done. Every install is measured twice, quoted manufacturer lines side by side on paper, and backed by the Done Right Promise. Both manufacturer warranty layers get registered in writing before the truck leaves your driveway. That’s The Keystone Standard, and it’s not a marketing phrase. It’s what we put in writing on every Largo job.
Our technicians are background-checked and uniformed, and they work in your home the way they’d work in their own mother’s house. We’ve handled tear-outs on tight Largo lots where staging space is the width of a driveway and the neighbor’s fence is four feet from the wall. We plan for that. We contain debris, keep the site clean at the end of every day, and we don’t leave nails in anyone’s grass. A live person answers our phone 24 hours a day, seven days a week. When a Largo homeowner calls to ask where the crew is or when the permit clears, they get a person, not a voicemail tree. That matters when you’ve lived in your house for twenty years and you’re paying close attention this time.
Our Impact Windows & Doors Services in Largo
We install, replace, and service the full range of Impact Windows & Doors for Largo homes. Here’s what that looks like on the ground, in the neighborhoods we work every week.
Hurricane Impact Windows
Most Largo homes built between 1960 and 1985 are single-story CBS ranch layouts with original jalousie or single-pane aluminum windows. Those jalousies cannot be retrofitted to meet Florida Building Code wind-load requirements. Period. Any contractor who quotes a repair on jalousie windows is quoting work the building department will never pass. We replace them with fusion-welded, impact-rated double-hung or casement units carrying valid Florida Product Approval numbers, and we pull the permit ourselves.

Impact Sliding Glass Doors
Largo’s salt air is hard on sliding glass door tracks and rollers. We see steel roller assemblies corroded to the point of binding, and we see homeowners forcing the door until the track warps. Replacement impact sliders in Largo run $3,200-$6,500 depending on width, glass package, and whether you need a multi-slide configuration. We quote Andersen, PGT, and ES Windows side by side on paper so you see exactly what you’re paying for before you sign.

Impact Entry & French Doors
Entry doors on Largo’s older CBS homes often have original steel frames rusted through at the threshold from decades of Gulf moisture. An impact-rated entry door replacement in Largo typically runs $2,800-$5,400 installed, including new framing, hardware, and weatherstripping rated for marine exposure. French door conversions are more, especially when the opening needs structural widening. We’ll tell you if it does before we quote, not after demo starts.

Impact Garage Doors
Largo has a large number of attached garages on ranch homes, and the garage door is the single largest opening in the house. A wind-rated garage door that fails during a storm pressurizes the entire structure and blows the roof off. That’s not an exaggeration, it’s the documented failure mode. Impact-rated garage door replacement in Largo runs $2,400-$4,800 depending on size and track configuration. We also handle the wind mitigation inspection paperwork while we’re there.

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.
Wind Mitigation & Code Compliance in Largo
This is the part most Largo homeowners don’t hear about until the permit comes back flagged. Pinellas County enforces design wind speeds of 130 mph or higher under the Florida Building Code. Every replacement window and door must carry a valid Florida Product Approval number, and inspectors actively verify this on permit pulls. If you have jalousie windows or single-pane aluminum sliders left in place, a wind mitigation inspection will flag them as non-compliant, and your Citizens Property Insurance discount disappears. We handle the full chain: product selection with FPA numbers, permit application, inspection coordination, and the wind mitigation form. TruePane has done enough Largo jobs to know exactly what the inspector will look for before they show up.
Trusted Brands We Service in Largo
We’re an authorized installer for more than a dozen manufacturer lines, and for Largo’s salt-air environment we regularly recommend ES Windows, ECO Window Systems. ES Windows builds marine-grade aluminum frames that hold up to Gulf spray better than most, and ECO’s impact packages are priced honestly for the performance you get. We stock common hardware and replacement parts for our local service calls, so a fogged seal or a corroded roller on a Largo home doesn’t mean waiting three weeks for a part from a distribution center. When you call, we’ll tell you which brand fits your opening, your budget, and your insurance discount paperwork, and we’ll quote all of them on paper.
Common Impact Windows & Doors Problems We See in Largo Homes
- Jalousie windows flagged as non-compliant. Any Largo home with original jalousie louvers will fail a wind mitigation inspection under current FBC requirements. These windows are a full tear-out-and-replace job by definition, and no retrofit kit changes that.
- Salt-air corrosion on aluminum frames and hardware. Indian Rocks Beach and Indian Shores sit directly west of Largo, and the persistent Gulf spray accelerates corrosion on window frames and door rollers. We see seal failure and air leakage that insurance inspectors reject within fifteen years of a cheap install.
- Fogged insulated glass units. Condensation between panes means the argon fill has escaped and the thermal barrier is gone. In Largo’s humidity, this shows up fast on older double-pane retrofits, and it tanks your energy performance.
- Sliding door tracks seized from corrosion. Steel rollers rust, homeowners force the door, the track warps, and the whole frame needs replacement. This is easily the most common door service call we run in Largo’s 1960s-1980s neighborhoods, particularly around East Bay Drive and the communities off Ulmerton Road.
Pricing for Impact Windows & Doors in Largo, FL
Here’s what you should expect to pay in Largo’s market, based on the work we’ve done across the city. Standard impact double-hung windows run $850-$1,400 per opening installed, including the permit and the FPA-numbered product. Impact sliding glass doors run $3,200-$6,500 depending on width and glass package. Entry doors run $2,800-$5,400 installed with marine-rated hardware. Garage doors run $2,400-$4,800. Whole-house replacement on a typical three-bedroom Largo ranch runs $14,000-$28,000 depending on opening count, product line, and how much structural work the demo uncovers. The biggest cost swings come from jalousie tear-out framing repairs and from doors that need oversized or custom sizing to fit Largo’s older CBS openings. We give you a written line-item quote before any work starts, and the number we quote is the number you pay. No change orders unless you ask for a different product. Call (954) 280-4413 for a free estimate, and we’ll walk the house with you and put numbers on paper.
Staging, Parking, and Keeping the Neighbors On Side in Largo
Largo’s residential lots are tight, and that changes how we run a job. On a typical 1960s CBS ranch off East Bay Drive, the driveway holds two cars, the side yard is five feet wide, and the neighbor’s fence runs right up against the wall we’re working on. We stage materials on the driveway and in a contained area we set up before demo starts. We don’t park trucks on lawns, we don’t block the street beyond what the permit allows, and we handle jalousie and single-pane debris in a way that doesn’t scatter glass into the neighbor’s yard. When the job involves a shared wall or a fence line, we talk to the neighbor before we start. A two-day tear-out we ran off East Bay Drive replaced original aluminum jalousie windows with impact-rated double-hungs, and the old frames had salt-air corrosion eating through the jambs and fogged sashes from seal failure. We kept the debris contained, finished the tear-out in two days, and left the property cleaner than we found it. That’s the standard on every Largo job, not the exception. Access matters, too. If your side yard is too narrow for a ladder, we bring a lift. If the HOA or the community association has work-hour rules, we work around them. All of that gets priced into the quote before you sign, because we’ve learned that surprise staging problems are how jobs go sideways.
We Also Serve Cities Near Largo
TruePane serves homeowners across Pinellas County, including Largo and the surrounding communities. If you’re in Belleair Beach, Indian Rocks Beach, Clearwater, or Seminole, we run the same crews, the same permitting process, and the same Done Right Promise. Dispatch and scheduling for Largo jobs are coordinated from our South Florida office, but the crews you’ll see in your driveway are local and know the county’s inspection process cold.
Serving Largo, FL - Our Local Coverage Area
We’re based in the Largo 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 - Impact Windows & Doors in Largo
No, and any contractor who tells you otherwise is wrong. Jalousie windows cannot be retrofitted or upgraded to meet Florida Building Code wind-load requirements of 130 mph or higher. They fail wind mitigation inspections every time, and the building department will never pass a repair on them. The only compliant fix is a full tear-out and replacement with an impact-rated unit carrying a valid Florida Product Approval number. We’ll show you the FPA sticker on the product before we install it. Call (954) 280-4413 and we’ll explain what the inspector will look for on your specific house.
Gulf salt spray corrodes aluminum window frames and steel door components measurably faster than anything you’d see fifteen miles inland. In Largo, with Indian Rocks Beach and Indian Shores directly west, we regularly see original aluminum frames with corrosion through the jambs within twenty years. The practical fix is marine-grade finishes and non-corrosive hardware on every replacement, and we spec those materials as the default, not an upgrade. If you’re seeing white powder or pitting on your frames, the structural integrity is already compromised. Call (954) 280-4413 for an assessment.
Yes, in most cases. Pinellas County homeowners who upgrade to Florida Building Code-compliant impact-rated windows and doors can qualify for premium discounts through Citizens Property Insurance, but the discount requires documentation: FPA numbers on every product, a passed wind mitigation inspection, and proof that the entire opening protection system meets code. We handle all of that paperwork as part of the install, and we register both warranty layers in writing before we leave. Call (954) 280-4413 and we’ll walk you through what your policy actually requires.
We plan access before we quote. On Largo’s older ranch lots, we stage materials on the driveway or in a contained street-level area, never on lawns or neighbor property. For shared walls and fence lines, we notify the neighbor before demo starts and keep all debris contained. If you’re in a manufactured home community or a neighborhood with HOA work-hour rules, we schedule around those restrictions. All of this gets accounted for in the written quote so there’s no mid-job surprise. Call (954) 280-4413 and we’ll come out and measure the access points ourselves.
Fog between the panes means the insulated glass unit has lost its argon fill and the seal has failed. You can sometimes replace just the glass unit, but if the frame is original to a 1960s-1980s Largo home and the rollers are corroded from salt air, you’re usually better off replacing the entire door with an impact-rated unit. That gets you the failed-seal fix, new marine-grade hardware, and the Citizens wind mitigation credit all at once. Impact slider replacement in Largo runs $3,200-$6,500. Call (954) 280-4413 and we’ll tell you honestly whether a glass-only fix makes sense or whether the frame is too far gone.
Call TruePane for a Free Estimate in Largo
If your Largo home still has jalousie windows, fogged glass, or a sliding door that binds every July, the fix is a phone call away. We’ll come out, measure every opening twice, and put a written line-item quote on paper with no obligation. You’ll see manufacturer lines side by side, you’ll see the Florida Product Approval numbers, and you’ll see exactly what The Keystone Standard covers in writing. Call (954) 280-4413 today to schedule your free estimate. We’ll be there when we say, and the work will be done right.
Written by Dale Kessler, Owner at TruePane Windows & Doors.
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.



Before
After
Before
After
Before
After