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 Ferndale
Window replacement in Ferndale runs $450 to $1,400 per opening for most single-family homes, with full-frame work on older acreage properties typically landing between $900 and $2,200 per window including Lake County permitting and site adjustments. That’s the honest range we quote from, and it covers the reality that Ferndale homes are not a single housing type. You’re on a two-acre lot off County Road 455 with a well and septic, or you’re in a mid-century block home near the lake. Both need different things. We plan for that before we ever put a number in front of you. Call (813) 320-9346 and we’ll walk your property with a site plan, not just a clipboard.
We serve Ferndale with crews that know Lake County’s unincorporated rules, its humidity patterns, and its older housing stock. Scheduling is coordinated from our South Florida office, with local crews dispatched to Ferndale jobs. You get the same standard on every opening: manufacturer warranties registered in writing, a 90-Day Done Right Promise, and a live person on the phone when you call.
Why TruePane Windows & Doors Is Ferndale’s Preferred Window Replacement Company
Ferndale homeowners tend to ask harder questions than most, and that’s a good thing. They’ve lived in their houses for twenty or thirty years. They’ve already replaced a water heater, a roof, maybe a sliding door that was never right from the day it went in. They want a window company that will still answer the phone in ten years. Dale Kessler started TruePane in 2008 on a rule he keeps on the whiteboard: if the pane is not true, the job is not done. That rule governs how we scope jobs in Ferndale, from the first site walk to the final sill seal.
Our work in Ferndale is backed by the 90-Day Done Right Promise and The Keystone Standard. Both manufacturer warranty layers get registered in writing before the truck leaves your driveway. Durations are stated on paper. If something is not right within 90 days, we make it right without a paperwork fight. We hire local, train apprentices into journeymen, and background-check every technician who walks onto your property. A live person answers our phone 24 hours a day, seven days a week. That matters when you call at 7:00 a.m. on a Saturday because a storm just blew a branch through your kitchen window.
We also understand Ferndale specifically. The housing stock here splits between mid-century single-family homes with original single-pane aluminum and newer construction pushing west from Orlando’s growth. Both need different scoping. An older home on acreage with a septic drainfield and well has setback constraints that a newer subdivision lot near Montverde doesn’t. We check the site plan before we quote, which is why our Ferndale numbers don’t change once work starts.
Our Window Replacement Services in Ferndale
Full Frame Replacement
Full frame replacement means removing the entire existing window down to the rough opening: frame, trim, sill, everything. For older Ferndale homes with aluminum single-pane units and decades of humidity damage hiding in the jamb, this is often the only honest fix. It lets us inspect the rough opening for rot and seal breaks, add flashing tape and a sill pan, and set the new unit square and level. On acreage properties, full frame work is where Lake County permitting and septic setback checks matter most, because enlarging an opening changes your site plan. Ferndale full frame work typically runs $900 to $2,200 per window depending on size, material, and what we find under the trim.

Insert Window Replacement
Insert replacement, sometimes called pocket replacement, fits a new window unit inside the existing frame. When the frame is still square, rot-free, and structurally sound, an insert is faster and more affordable than full frame work. Ferndale homeowners on a budget often choose inserts for the back bedrooms and full frame for the lake-facing windows that take the weather. Inserts in Ferndale typically run $450 to $900 per opening. We measure every opening twice and quote manufacturer lines side by side on paper so you see exactly what you’re buying.

Energy-Efficient Upgrade
Ferndale sits in central Lake County, where UV and humidity work windows hard year-round. Older single-pane aluminum conducts heat and lets conditioned air escape, and fogged insulated units give the appearance of double-pane without any insulating value. An energy-efficient upgrade means low-E glass, argon or krypton fill, and fusion-welded frames that resist the warping and seal failure so common in lake-adjacent Ferndale homes. We’ve replaced failed aluminum double-hungs on County Road 455 properties with Simonton vinyl units and watched the utility bills drop the next month. Energy-efficient replacements in Ferndale generally run $550 to $1,300 per window, and the permanent 5% senior and veteran discount applies to every quote.

Storm Window Replacement
Storm windows get specified two ways in Ferndale: as exterior-mounted secondary glazing for older homes, or as replacements for damaged storm units already in place. Either way, the spec needs to account for central Florida’s wind-driven rain season and the inland wind-speed requirements in the Florida Building Code. We install storm windows that seal correctly against wind-driven afternoon downpours and hold up to UV without clouding or hazing. Ferndale storm window replacement typically starts around $400 per unit. We’ll tell you if your existing storm windows are worth keeping or if money is better spent on a primary window upgrade instead.

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 Ferndale
TruePane is an authorized installer for more than a dozen manufacturer lines, including Andersen, Pella, Marvin, Milgard, PGT, and CGI. For Ferndale’s climate and code context, we often spec PGT and CGI units where impact rating is required or preferred, and Simonton and Ply Gem for energy-efficient vinyl replacements on acreage homes. We stock common parts and hardware locally for Ferndale customers, which means faster turnaround when you need a sash or a balance replaced and don’t want to wait on a regional warehouse. Every quote shows manufacturer lines side by side on paper with warranty durations stated. No fog of options, no vague brochure language.
Common Window Replacement Problems We See in Ferndale Homes
- Fogged insulated glass on homes less than ten years old. Central Lake County’s humidity finds every seal weakness early. A fogged window means the inert gas has leaked out and the unit is providing no insulation. We replace the glass pack or the full unit, then confirm the warranty is registered so the next failure isn’t on you.
- Warped or corroded frames on lake-adjacent properties. Homes near Ferndale’s lakes get ground-level moisture and morning condensation cycles that look harmless until you pull the trim. Vinyl warps, aluminum tracks corrode, and wood jamb rot spreads behind the casing. Full frame replacement is often the only fix.
- Non-impact-rated windows installed before the inland wind code update. Ferndale’s not on the coast, but the Florida Building Code still requires wind-resistance compliance for inland Lake County. Homes with pre-code windows can fail inspection when a mortgage holder or insurer checks. We bring these openings up to code and document the compliance.
- Sill and flashing failures from wind-driven rain. Central Florida’s afternoon thunderstorm season pushes rain sideways. If your sill pan or flashing was flashed incorrectly at original install, water is getting into the rough opening. We pull the unit, replace the rotted framing, and rebuild the sill with proper flashing and sealant. No caulk-and-pray fixes.
Pricing for Window Replacement in Ferndale, FL
Ferndale’s window pricing splits by scope, not by marketing brochure. Inserts run $450 to $900 per opening. Full frame replacement with Lake County permitting runs $900 to $2,200 per window. Energy-efficient upgrades with low-E and argon fill sit between $550 and $1,300 per unit. Impact-rated PGT or CGI windows, when FBC compliance requires them, start around $800 and go up from there depending on size and opening count.
What shifts a Ferndale quote: septic and well setbacks on acreage lots, grading and drainage around the sill, whether the rough opening has rot, and whether you’re enlarging an opening and triggering a permit review. We scope all of that before we quote. You get a fixed number with no change orders, a 90-Day Done Right Promise, and both manufacturer warranty layers registered in writing. Call (813) 320-9346 for a free estimate, and ask for the senior or veteran discount if it applies.
We Also Serve Cities Near Ferndale
Our crews work across the Lake County area, including Window Replacement projects in Montverde, Minneola, Clermont, and Astatula. If you’re in Ferndale or any of the surrounding communities, the same site-plan-first scoping and fixed pricing apply. Read more about our broader service approach on the Window Replacement in Ferndale page or just call us directly.
Serving Ferndale, FL - Our Local Coverage Area
We’re based in the Ferndale 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 Ferndale
No, Lake County does not generally require a permit for like-for-like window replacement where the rough opening size stays the same and the opening is not being enlarged or structurally altered. Enlarging an opening does require a permit and a site plan check. We verify this on every Ferndale quote before work begins, so you never find out about a missed permit after the fact. Call (813) 320-9346 and we’ll check your specific lot against Lake County’s current rules.
Lake County unincorporated setback rules typically require a window or door opening to maintain a minimum 10-foot separation from a septic drainfield, with well setbacks varying by lot and recorded easement. If we’re enlarging an opening, we verify the setback against your recorded survey and septic plan before quoting. That’s a standard line item on our Ferndale acreage proposals, not an optional extra. Call (813) 320-9346 to have us pull your property’s setback information and run the check.
An insert fits a new window inside the existing frame and is the lower-cost option when the frame is still square and rot-free. Full frame replacement removes everything down to the rough opening, which is what most older Ferndale aluminum windows need because moisture has compromised the jamb behind the trim. We’ll tell you which your house actually needs after looking at the openings, not push the more expensive option by default. Call (813) 320-9346 for a site walk and a straight answer.
Ferndale is inland, but the Florida Building Code still requires wind-resistance compliance for new and replacement windows in Lake County, which often means impact-rated units or shutters that meet the inland wind-speed standard. If your current windows predate the code update, your insurer or mortgage holder may flag them at renewal or sale. We spec PGT and CGI impact-rated windows where the code applies and document compliance on paper. Call (813) 320-9346 and we’ll check your home’s code status against current Lake County requirements.
Central Lake County’s humidity cycling stresses insulated glass seals far more than drier inland markets. If the original install skipped a proper sill pan or the sealant was misapplied, water vapor works into the air gap within a few seasons and the unit fogs. A fogged window is a failed window, not a cosmetic issue: the insulating gas is gone and it’s doing nothing but letting you pay to dehumidify outside air. We replace fogged units and register the manufacturer warranty so the next failure is covered. Call (813) 320-9346 and we’ll inspect your fogged windows and tell you what’s covered.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Ferndale and Lake County with a 90-Day Done Right Promise on every job.
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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