Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Energy-Efficient Windows Across Clewiston
Energy-efficient windows in Clewiston do two jobs most homeowners never think about at the same time. They have to meet the Florida Building Code’s wind-load requirements, and they have to keep out the fine grey ash that drifts across town every burn season. A cheap single-pane jalousie window fails at both. We replace windows in Clewiston’s 33440 zip code with sealed, impact-rated, Low-E units that hold up to Lake Okeechobee storms and keep cane smoke on the outside where it belongs. Call (888) 635-0804 for a free in-home measure and a written quote.
Our Energy-Efficient Windows team knows what a Clewiston house is up against because we have opened enough of them up. The work is straightforward, the pricing is on paper before we start, and a live person answers the phone any hour you call.
Why TruePane Windows & Doors Is Clewiston’s Preferred Energy-Efficient Windows Company
We are not a franchise crew parachuting in from another county. TruePane was founded by Dale Kessler in 2008 on a rule that still governs every job we take: if the pane is not true, the job is not done. We serve Clewiston with background-checked, uniformed technicians who measure every opening twice and write quotes that show manufacturer lines side by side, not a single take-it-or-leave-it number.
Clewiston homeowners tend to keep their houses for decades. They remember the contractor who left a fogged seal and a door that binds in July. That is exactly the customer we build for. Our crews see the same homes year after year, and we register both manufacturer warranty layers in writing before the truck leaves the driveway. No paperwork fights. No arguing about what was covered. That is the Done Right Promise, and it applies to every window we install in Clewiston.
When you call (888) 635-0804, a person answers. Not a voicemail tree. Not a callback form. Someone who can schedule your measure and talk through what your windows actually need.
Our Energy-Efficient Windows Services in Clewiston
Low-E & Argon Gas Glass
Low-E coatings and argon gas fills do the heavy lifting against Clewiston’s heat and humidity. A Low-E unit reflects infrared heat back outside while still letting daylight through. That matters on Clewiston’s worker cottages and company-era homes, where original aluminum frames transfer heat straight into the room. A typical Low-E upgrade in Clewiston runs $700 to $1,400 per window installed, and it takes the hard edge off July and August cooling bills.

ENERGY STAR Replacement Windows
ENERGY STAR windows made for Florida’s southern climate carry a low solar heat gain coefficient and a U-factor built for humidity. In Clewiston, that means a window that does not bake the room facing Lake Okeechobee and does not sweat condensation onto the sill. Whole-home ENERGY STAR packages in Clewiston start around $8,000 and go up from there depending on opening count and frame material.

Insulated Laminated Glass
Laminated glass puts a plastic interlayer between two panes, so if the window takes a hit, the glass cracks but holds together. For Clewiston, that interlayer also seals against cane ash and smoke better than any single pane ever could. Insulated laminated glass units run $900 to $1,800 per window in Clewiston, with large or custom openings above that.

UV-Blocking & Fade Protection
The sun coming off Lake Okeechobee fades furniture and flooring faster than most people expect. UV-blocking coatings cut that transmission well below what standard glass allows. If you have a room full of photographs or wood floors catching afternoon sun, a UV-blocking unit in Clewiston runs $750 to $1,500 per window and does not change the look of the glass enough to notice.

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 Clewiston
We are an authorized installer for more than a dozen manufacturers, and we keep the ones that matter locally in regular rotation. For Clewiston jobs we lean on PGT and CGI for impact-rated windows, Andersen and Marvin for higher-end replacement lines, and ECO Window Systems or ViewLux where a homeowner wants a mid-range upgrade with solid numbers. Because we carry multiple manufacturer lines, we can put an Andersen quote and a PGT quote on the same sheet of paper and let you see exactly what you are buying. We stock common replacement parts and hardware for the brands already in Clewiston homes, so a service call does not turn into a two-week wait for a part.
Common Energy-Efficient Windows Problems We See in Clewiston Homes
- Cane ash caked in jalousie tracks. Original jalousie windows from the 1940s through 1970s have loose glass clips and wide-open gaps. After years of burn season, the interior tracks are packed with grey-black residue. That is the telltale sign the house has never had sealed replacement glazing.
- Corroded aluminum frames from lake humidity. Clewiston sits right on the southern shore of Lake Okeechobee, and the evaporation off the lake keeps the air wet all year. Aluminum frames oxidize and pit here faster than in dry inland markets, and failed glazing tape lets wind-driven rain in during tropical events.
- Single panes that shatter in a gust. Without a laminated interlayer, an old single pane can crack during a minor tropical wind gust off the lake. Once water gets in, mold follows fast in Clewiston’s humidity.
- Failed wind mitigation inspections. Jalousie windows with corroded clips fail the large-missile impact test, which means no insurance credit until the windows are replaced. The old windows have to come out before anything else can happen.
Pricing for Energy-Efficient Windows in Clewiston, FL
A typical energy-efficient window replacement in Clewiston runs $800 to $1,500 per window installed for a standard opening. Impact-rated single-hung units run $900 to $1,800. Large or custom openings, the kinds you find on lakefront homes or additions, run $2,500 to $5,000. Whole-home packages start around $8,000 and reach $25,000 or more on bigger houses with more openings. What moves the price in Clewiston is opening count, the wind zone rating required for your specific location, whether the unit is second-floor or higher, and frame material. Vinyl costs less than aluminum or wood-clad. Every quote we write is itemized, on paper, before any work starts. Call (888) 635-0804 and we will measure, spec, and price your windows for free.
What Energy-Efficient Windows Costs in Clewiston
Let us put real numbers on it. A standard impact-rated window in Clewiston runs $800 to $1,500 installed. Impact single-hungs run $900 to $1,800. A custom opening or a large picture window overlooking the lake runs $2,500 to $5,000. For a whole house, plan on $8,000 to $25,000 or more depending on how many openings you have and what frame material you choose. We measure every opening twice and write the quote so each line item is visible. The estimate is free, and the price on the quote is the price. No surprise line items after the truck arrives.
Florida Pays You Back
Clewiston homeowners have a few real programs that offset the cost of impact-rated windows. The My Safe Florida Home program offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, and impact windows typically qualify. Florida sales tax is exempt on impact-resistant windows and doors. The federal 25C energy credit covers 30% of product cost on qualifying ENERGY STAR units, up to $600 per year. And after a wind-mitigation inspection runs $75 to $150, most carriers cut the windstorm portion of the premium by an average of around 25%. We do not set those numbers, and every program and carrier has its own final say. But we will point you to the paperwork and make sure the windows are installed to document properly.
One thing to know when comparing quotes: a big-box retail install will often hand you a window and a subcontracted crew. A licensed impact specialist pulls the permit, orders windows matched to your design pressure, and signs off on the inspection. That difference shows up later when the insurance company looks at your file.
Ratings matter here and we do not fudge them. Clewiston sits in a High Velocity Hurricane Zone, and every window we quote carries a Miami-Dade NOA or Florida Product Approval number matched to the specific configuration. Design pressure is matched to the opening. We never quote a window rated above +100/-100 unless the opening actually calls for it, because an over-specced window costs you money and an under-specced one fails inspection.
The Clewiston Problem No Generic Window Page Mentions
Clewiston is one of the few places in Florida where a window has to pass hurricane impact standards and block sugarcane ash at the same time. The controlled pre-harvest field burns run from roughly October through April, and the fine ash and cane smoke drift over the entire town. The original 1940s to 1970s jalousie and aluminum-frame windows on Clewiston’s worker cottages and U.S. Sugar company homes were never built to handle either one. They fail wind mitigation inspections. They let burn-season smoke seep into bedrooms and living rooms. They leave visible black residue on interior sills. Most homeowners do not realize the two problems share the same fix until someone pulls an old frame and shows them.
We replaced a set of original single-pane jalousie windows on a worker cottage near the U.S. Sugar mill with PGT impact-rated casements carrying a Miami-Dade NOA. When we pulled the old frames, the jamb tracks were caked with grey-black cane ash. The house had never had sealed glazing. After the new windows went in, the homeowner told us the burn-season smoke stopped seeping in. That is the difference a properly sealed, laminated, impact-rated window makes in Clewiston.
We Also Serve Cities Near Clewiston
Our crews cover the full Lake Okeechobee sugar corridor. We serve homeowners in Belle Glade, Pahokee, Canal Point, and Bryant with the same written quotes, the same warranty registration, and the same done-right standard we bring to every Clewiston job. If you live within a short drive of Clewiston, call (888) 635-0804 and we will schedule your free measure.
Serving Clewiston, FL - Our Local Coverage Area
We’re based in the Clewiston 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 - Energy-Efficient Windows in Clewiston
Clewiston sits in the HVHZ, which means every replacement window must be impact-rated with a Miami-Dade NOA or Florida Product Approval, and design pressure must match the opening. A window that does not meet this fails inspection and cannot be claimed for insurance credits. Call (888) 635-0804 and we will confirm the exact ratings your openings require.
Yes. Most carriers cut the windstorm portion of the premium after a wind-mitigation inspection documents impact-rated openings. The inspection typically runs $75 to $150, and the average windstorm premium credit is around 25%. The windows have to be installed correctly and the paperwork has to be in order, which is where a licensed impact specialist earns their keep.
Yes, but only if they are properly sealed and laminated. Old jalousie windows leave gaps and loose clips that let smoke and fine ash through. A new sealed unit with a laminated interlayer and tight jamb seals keeps burn-season smoke outside. The ash residue on your interior sills is evidence of the old window’s failure, not an inevitability. Call (888) 635-0804 for a free estimate.
A cheap quote leaves out the permit, the impact-rated glass, the NOA documentation, and the wind-mitigation paperwork. A code-compliant quote includes the permit, the inspection, the correct design pressure, and the manufacturer warranty registered in writing. The cheap quote costs more the day the inspector or the insurance company asks for proof.
Yes, replacement windows in Clewiston require a permit, and we pull it as part of the job. Once your units arrive, most installations are done in as fast as a single day. Custom fabrication runs 4 to 6 weeks before we schedule the install. Call (888) 635-0804 and we will walk you through the timeline for your specific openings.
Call TruePane Windows & Doors in Clewiston
You have lived in your house long enough to know which windows leak, which ones fog, and which rooms smell like cane smoke every burn season. You also know the difference between a bid and a promise. We write ours down, register the warranty before we leave, and stand behind the work for 90 days with no fine print. Call (888) 635-0804 to schedule your free in-home measure and a written quote. A live person answers.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Clewiston since 2008.



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