Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across Howey-in-the-Hills
Custom window and door work in Howey-in-the-Hills carries a set of requirements most contractors never see in nearby Leesburg or Clermont. The 1920s-era homes along Lakeshore Boulevard and the lakefront properties on Little Lake Harris need window and door units that hold a wind-load rating, keep lake-driven moisture out, and still match the Mediterranean Revival profiles the town was built around. Our Custom Windows & Doors team handles that work for Howey-in-the-Hills homeowners who want the job done to code and done to last. Call (813) 320-9346 and a live person answers, day or night.
Why TruePane Windows & Doors Is Howey-in-the-Hills’s Preferred Custom Windows & Doors Company
We’re not the cheapest bid in Howey-in-the-Hills, and we don’t try to be. We’re the company homeowners call after a cheap bid left them with a fogged seal, a rotted jamb, or a window that won’t close square in July humidity. Dale Kessler founded TruePane in 2008 on a rule that still governs every install we do in Howey-in-the-Hills: if the pane is not true, the job is not done. That means every opening gets measured twice, every quote is written on paper with manufacturer lines side by side, and both manufacturer warranty layers are registered before the truck leaves your driveway.
We carry background-checked, uniformed technicians on every Howey-in-the-Hills job, and we treat a customer’s home the way we’d treat our own mother’s. The Keystone Standard is our baseline: both warranty layers registered in writing, durations stated, and a 90-Day Done Right Promise on the work. If it is not done right, we make it right. No paperwork fights, no arguing. That promise matters more on a 1920s wood-framed arched window where the margin for error is measured in millimeters.
Our Custom Windows & Doors Services in Howey-in-the-Hills
We install, replace, and service windows and doors for residential homeowners across Howey-in-the-Hills. That includes impact windows and doors, energy-efficient windows, sliding and patio doors, glass railing systems, and fully custom windows and doors. Here is how the work we do most often shows up in Howey-in-the-Hills specifically.
Custom Shape Windows
Howey-in-the-Hills has a higher concentration of arched, round-top, and custom-shaped windows than almost any town its size in Lake County. The 1920s Mediterranean Revival homes along Lakeshore Boulevard and the older streets near the lake were built with wood-framed casement and arched windows that don’t match anything on a big-box shelf. We source custom units from Marvin, Andersen, and Pella that replicate the original radius and sightlines, then build the rough opening to accept the new unit without tearing apart the stucco or wood trim that gives these homes their character. If the original jamb is rotted, we sister in new framing and flash it properly before the window ever goes in.

Architectural Grilles & SDLs
A Mediterranean Revival home with a true-divided-light look loses something when a replacement window comes with flat plastic fake muntins. We do architectural grilles and simulated divided lites the right way in Howey-in-the-Hills: SDLs applied between the glass with a spacer bar that mirrors the original profile, matched to the existing sightline width so the window reads as original from the street. On lakefront homes where afternoon storms drive wind-blown rain at the glass, we spec aluminum SDLs and internal grille systems that hold up to repeated wetting without warping or lifting at the edges.

Oversized Glass Panels
Newer lakefront construction in Howey-in-the-Hills increasingly uses oversize glass panels to pull the view of Little Lake Harris into the living space. A 72-by-96-inch fixed panel or a multi-panel sliding wall in this town has to handle wind-load requirements that a standard patio door never sees. We order glass packages with the correct DP rating and design pressure for the exposure zone, then set the units with structural glazing and a dead-load path that transfers wind force through the frame into the structure. That is the difference between a panel that flexes in a storm and one that stays quiet and square.

Commercial Storefront Glazing and Curtain Wall Systems
Howey-in-the-Hills has a small commercial core along State Road 19, plus a few lakefront clubhouse and professional buildings where storefront glazing and curtain wall work comes up. We handle permitted storefront replacement, curtain wall panel swaps, and entrance systems for those smaller commercial properties. The same wind-load and product-approval discipline applies to commercial work: we pull the permit, submit the product approval sheets to Lake County, and pass the inspection before we call the job finished. For commercial storefront glazing in Howey-in-the-Hills, the requirement is not optional, and we treat it that way.

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 Howey-in-the-Hills
We’re an authorized installer for more than a dozen manufacturer lines, including Andersen, Pella, Marvin, Milgard, Jeld-Wen, PGT, CGI, and ES Windows. For Howey-in-the-Hills homeowners, that means we can put two or three manufacturer lines side by side on paper with actual numbers so you see exactly what you’re buying. We do a lot of custom Marvin wood-clad work on the older lakefront homes because Marvin’s clad profiles hold up to lake-breeze humidity better than a painted wood jamb. On impact-rated work, we spec PGT and CGI units that carry the Florida Building Code product approvals and the wind-load ratings Lake County inspectors look for.
Common Custom Windows & Doors Problems We See in Howey-in-the-Hills Homes
- Rotted wood-frame jambs on 1920s-era windows. The persistent lake-breeze moisture off Little Lake Harris saturates wood framing, and once a jamb starts to rot, the sash loses its plane and the window binds. We see this on Lakeshore Boulevard homes and the older streets near the water more than anywhere else we work in Lake County.
- Fog between panes on aging insulated glass. Humid air and frequent afternoon thunderstorms force moisture into failed seals on older IG units. Once you see fog, the argon is gone and the U-factor is shot. Replacement glass or full-unit replacement is the fix, not a temporary seal patch.
- Corroded hardware and failed weatherstripping on lakefront doors. Lake air here is not salt-heavy like the coast, but it is persistently moist. Hinges, rollers, and multipoint lock hardware on sliding and French doors corrode faster, and weatherstripping compresses until air leaks around the slab. That changes the U-factor and the energy bill.
- Historic-profile replacement mismatches. A homeowner replaces one arched wood window with a standard white vinyl unit, and the whole facade loses its rhythm. We have rebuilt the sightlines and grille patterns on enough Howey-era bungalows to know how to match the original so the replacement disappears into the architecture.
Pricing for Custom Windows & Doors in Howey-in-the-Hills, FL
A custom-shaped window replacement on a 1920s Howey-era home in Howey-in-the-Hills typically runs $900 to $2,400 per unit depending on the radius, the frame material, and whether impact-rated glazing is required. Architectural grilles and SDLs add roughly $80 to $220 per sash. Oversized glass panels start around $1,800 and can reach $6,000 or more for a multi-panel lakefront slider with structural glazing. A full storefront replacement on a small commercial building in the State Road 19 corridor generally falls between $3,500 and $9,000. Every quote is written line-item on paper before you commit, and the 90-Day Done Right Promise applies to every job. Call (813) 320-9346 for a free estimate with exact numbers for your openings.
We Also Serve Cities Near Howey-in-the-Hills
Our crews work across the Lake County and northwest Orange County area, including Acacia Villas, Alafaya, Altamonte Springs, and Altoona. If you’re in one of those communities and need custom windows or doors done right, we’ll be there when we say. For more about our full service area and approach, see Custom Windows & Doors in Howey-in-the-Hills.
Serving Howey-in-the-Hills, FL - Our Local Coverage Area
We’re based in the Howey-in-the-Hills 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 - Custom Windows & Doors in Howey-in-the-Hills
Yes. Every replacement window in Howey-in-the-Hills must meet Florida Building Code wind-load requirements for the specific exposure zone, and Lake County inspectors check the product approval sheets and the anchoring method. A compliant quote includes a unit with a tested design pressure rating matched to the opening, a product approval that matches the manufacturer and model, and installation details that transfer wind force into the framing. A cheap quote often leaves the product approval page off the paperwork and hopes nobody asks. Call (813) 320-9346 and we’ll walk you through what your opening actually requires.
Your friend in Leesburg does not live next to a 45,000-acre chain of lakes. Little Lake Harris puts Howey-in-the-Hills in a persistently humid microclimate with daily lake breezes that push moisture against west-facing and lake-facing walls. Wood frames stay damp longer, rot starts earlier, and seal failure accelerates. We correct the moisture path during replacement: proper flashing tape at the jambs and sill, a fusion-welded frame where the material allows, and backer rod and sealant at the exterior perimeter so water sheds away from the wood instead of sitting against it.
Yes. We order custom impact-rated units from Marvin, PGT, and CGI with laminated glass that carries the Florida product approval while matching the original radius and sightline. We can also build the exterior with a clad frame that replicates the original wood profile but never rots, and add SDLs between the glass so the window reads as true-divided-light from the street. The trick is doing it without making the window look like a modern insert. We measure the existing arch with a full-size template, not a tape measure approximation.
A compliant quote from us includes the product approval sheet for the exact unit going in, the design pressure rating matched to the exposure zone, the anchoring method spelled out, the flashing sequence, and the permit that pulls the job under Lake County jurisdiction. It also includes both manufacturer warranty layers registered in writing with durations stated, and the 90-Day Done Right Promise on the workmanship. A cheap quote typically includes a window and a day rate, and the paperwork comes later if it comes at all. That is not a square deal. Call (813) 320-9346 for a written quote that shows you everything.
It can. Homeowner insurance in Florida is underwritten on wind-mitigation credits, and documented impact-rated glazing with the right product approvals and permit history is exactly what underwriters look for when they run the mitigation verification. A window job that goes in without product approvals, without a permit, and without inspection passes saves no premium and leaves you exposed on a claim. We pull the permit, pass the inspection, and hand you the paperwork that proves what is in the opening. That documentation is worth real money over the life of the policy.
Call TruePane Windows & Doors for Custom Work in Howey-in-the-Hills
If you own a Howey-era home, a lakefront property, or any house in Howey-in-the-Hills with windows that are starting to tell you something, call us. We’ll send a background-checked, uniformed technician to measure your openings, put the manufacturer lines side by side on paper, and register both warranty layers before the truck leaves the driveway. The ask is simple: call (813) 320-9346 to schedule your free estimate. A live person answers. We’ll be there when we say.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Howey-in-the-Hills and the surrounding Lake County communities.
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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