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 Lake Mary
Replacing windows in Lake Mary means navigating two approval layers most Florida contractors never deal with: Seminole County’s wind-borne debris code and your HOA’s Architectural Review Committee. That combination slows projects down and adds cost when the installer doesn’t know the local landscape. TruePane Windows & Doors has replaced windows throughout Lake Mary’s master-planned communities long enough to stage the job, file the permits, and get the inspection passed without dragging your project into month six. Call us at (954) 280-4413 and a live person answers, day or night.
Why TruePane Windows & Doors Is Lake Mary’s Preferred Window Replacement Company
We’re not the cheapest bid in Lake Mary, and we don’t try to be. Homeowners in Heathrow, Timacuan, and Chase Groves call us because they’ve already been burned once by a crew that slapped in a window without flashing tape and disappeared when water stained the drywall. Dale Kessler set the rule the day he founded this company: if the pane is not true, the job is not done. That rule governs every install our crews complete in Lake Mary.
We’ve been doing this work since 2008 across Florida, and the Lake Mary market has its own rhythm. A live person answers our phone 24 hours a day, 7 days a week. When you call, you’re talking to someone who knows what an arched transom in a Timacuan two-story costs to template, not a call center reading a script. Our technicians are background-checked and uniformed. They measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves your driveway. We stand behind it.
Our Window Replacement Services in Lake Mary
Full Frame Replacement
Most homes in Lake Mary built between 1988 and 2005 have original aluminum frames that are now corroding at the jambs. Inserts won’t work when the frame is rotting or warped. Full frame replacement tears out the old window down to the rough opening, lets us inspect for hidden water damage in the stucco, and installs a properly flashed, impact-rated unit that meets current Florida Energy Code. In Heathrow and Timacuan, where HOA Architectural Review Committees scrutinize every profile change, full frame replacement is often mandatory because the original builder frames no longer meet code.

Insert Window Replacement
If your existing wood or aluminum frame is still square and structurally sound, an insert replacement slips a new energy-efficient window into the old opening without disturbing interior trim or exterior stucco. This is the fastest and least disruptive option for Lake Mary homeowners in communities like Chase Groves, where keeping the exterior profile identical is a requirement, not a preference. Expect this route to run $850 to $1,600 per opening depending on size and glass package.

Storm Window Replacement
Seminole County enforces Florida Building Code wind-borne debris requirements, which means every new window in Lake Mary must be either impact-rated or protected by an approved storm covering. We install impact-rated laminate glass systems from PGT, CGI, and CWS that meet or exceed the code without shutters or plywood. For homes replacing a single failed unit, matching the impact rating of existing windows matters for both code compliance and resale value.

Energy-Efficient Upgrade
Lake Mary’s UV index is routinely among the highest in the continental United States. That intense sun degrades vinyl frames and accelerates dual-pane seal failure in ways manufacturers’ national projections don’t capture. Upgrading to low-E argon-fill insulated glass with a thermally broken frame cuts cooling loads measurably in a 2,800-square-foot stucco home. Most Lake Mary homeowners see the biggest difference in upstairs bedrooms and west-facing great rooms, where afternoon sun hits hardest from March through October.

What happens when you call
- 1
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 Lake Mary
We’re an authorized installer for more than a dozen manufacturer lines including PGT, CGI, and CWS. When a Lake Mary homeowner needs a warranty part or a matching sash from an existing line, we can source it quickly and install it correctly. For impact-rated replacements in Heathrow and Timacuan, we quote PGT and CGI side by side on paper so you can compare glass packages, energy ratings, and warranty terms before you commit. No pressure, no upsell.
Common Window Replacement Problems We See in Lake Mary Homes
- Fogged dual-pane glass in original 1990s aluminum frames: The insulating gas escapes and humidity from Lake Mary’s climate condenses between the panes. Once the aluminum jamb has corroded, an insert won’t seat properly, and you’re looking at full frame replacement.
- HOA Architectural Review Committee rejections for arched or palladian windows: Heathrow’s early-1990s builders used tall arched transoms that are no longer standard stock. Replacing them requires templated custom insulated glass units and a permit review timeline measured in months, not weeks.
- Improper flashing tape installation on stucco exteriors: Water intrusion at the sill rots the rough opening from the inside. By the time a homeowner notices the soft drywall, the fix requires a full-frame tear-out, not a sash swap.
- Corroded aluminum thresholds and sliding door tracks: Afternoon convective storms and prolonged humidity in Lake Mary drive persistent water into aging aluminum door tracks. The failure often shows up first at the threshold, but the fix usually involves replacing the entire frame, not just the roller.
Pricing for Window Replacement in Lake Mary, FL
A typical full frame replacement in Lake Mary runs $1,200 to $2,800 per opening depending on size and impact-rating requirements. Insert replacements run $850 to $1,600. Custom arched or palladian units from Heathrow’s original builder stock start around $3,000 per opening and climb from there, because the glass must be templated and the HOA review adds time that general contractors don’t price accurately. What affects cost here specifically: Seminole County permit fees, HOA architectural review lead time, and whether your home’s stucco reveals hidden rot when we pull the old frame. Call (954) 280-4413 and we’ll quote your job in writing, line by line, with no change orders unless you change the scope.
We Also Serve Cities Near Lake Mary
TruePane serves homeowners throughout Seminole County including Lake Mary, Longwood, Sanford, Altamonte Springs, and Winter Springs. If you’re in a neighboring community with a similar 1990s-era HOA housing stock, our Window Replacement team can bring the same dual-compliance playbook to your project.
Serving Lake Mary, FL - Our Local Coverage Area
We’re based in the Lake Mary 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 Lake Mary
Yes, Lake Mary falls under Florida Building Code wind-borne debris requirements, which means any new window or door installation must be impact-resistant or paired with approved storm protection. Standard double-pane without impact glazing will not pass a Seminole County inspection. We install impact-rated units from PGT, CGI, and CWS that meet the code and clear HOA review. Call (954) 280-4413 for a written quote that includes the specific glass package your HOA requires.
Expect the HOA Architectural Review Committee to add four to twelve weeks to your timeline in Heathrow and Timacuan, depending on the committee’s meeting schedule and whether your replacement windows match the original builder profile. If your home has arched or palladian shapes, the review typically takes longer because the committee requires manufacturer spec sheets and samples. We handle the paperwork and submission on your behalf. Call (954) 280-4413 and we’ll walk you through the exact timeline for your community.
The original aluminum frames used in Lake Mary’s 1988-2005 subdivisions corrode at the corners because Central Florida’s humidity traps moisture against the frame’s thermal break, causing galvanic corrosion. Once the corners are corroded, the frame loses structural integrity and cannot be repaired. The proper fix is a full frame replacement with a new impact-rated, thermally broken unit. We inspect the rough opening to check for hidden water damage before quoting, so you know the full scope upfront.
It depends on the frame. If the aluminum frame is still square and the seal failure is confined to the insulated glass unit, a glass-only replacement is possible. But in most Lake Mary homes from the 1990s, the frame itself has corroded at the jambs, which means a new sash or full frame replacement is required. We’ll tell you which route makes sense after we pull the stop and inspect the corners. Call (954) 280-4413 to schedule a free estimate.
Our crew stages all materials on the driveway with plywood protection under every lift and stack. For two-story homes with no side yard, we coordinate with the adjacent homeowner in writing before we bring a lift onto their property, and we schedule the noisiest work for the hours allowed by Seminole County and your HOA. In Timacuan recently, we replaced a failed double-hung in a stucco two-story where the original aluminum frame had corroded at the jamb and the sash seal had failed. The HOA required a specific impact-rated glazing profile and the arched transom above demanded a templated insulated glass unit. We staged everything on the driveway, shared the narrow side-yard access with the neighbor, and cleared the final inspection with zero complaints. That’s how we work in Lake Mary.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Lake Mary with craft and commitment.
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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