Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Big Pine Key
Window installation in Big Pine Key runs $850-$3,400 per opening for impact-rated units, with most full-home replacements on stilt homes landing between $14,000 and $38,000 depending on frame material, glass package, and how much salt corrosion we find once the old window comes out. The work is almost always driven by insurance mandates, post-Irma rebuild requirements, or frames that have failed from years of unobstructed Atlantic and Gulf salt air. We know this island’s housing stock and its permitting process well enough to quote the job accurately the first time. Call (813) 320-9346 for a free estimate, and we’ll come measure every opening on a schedule that works for you.
Big Pine Key is different from every other Keys community, and anyone who tells you a mainland window spec will hold up here has not watched a two-year-old aluminum frame turn to white powder at the jamb.
Why TruePane Windows & Doors Is Big Pine Key’s Preferred Window Installation Company
We have been replacing and installing windows on Big Pine Key long enough to know which elevations fail first and why. The windward side of a house on Key Deer Boulevard takes a different beating than a home tucked into Eden Pines Colony, and we quote jobs with that difference in mind. Homeowners here do not want a sales pitch. They want a crew that shows up in uniform, measures twice, and puts both warranty layers in writing before we leave the driveway.
Dale Kessler founded TruePane in 2008 on a rule that still governs every job we take: if the pane is not true, the job is not done. We are a second-generation glazier’s company, not a franchise, and we hire local and train our own apprentices because we plan to be on Big Pine Key in thirty years. A live person answers our phone 24 hours a day, every day. Not a voicemail tree. If you call about window installation in Big Pine Key, you will talk to a person who knows what a jalousie window is and why your insurer will not renew your policy while they are still in the openings.
Our crews serve Big Pine Key directly, with scheduling supported from our South FL office. Every technician is background-checked and uniformed. We treat a customer’s home the way we would treat our own mother’s. That is not a slogan. It is the standard.
Our Window Installation Services in Big Pine Key
We install and replace every window type common on Big Pine Key, from impact-rated casements to large fixed picture units on elevated stilt homes. Each opening gets measured twice, quoted in writing, and installed with marine-grade fasteners and flashing tape that will not rust through in five years. Here is how each window type applies to Big Pine Key homes specifically.
Casement Windows
Impact-rated casement windows are one of the most common replacements we install on Big Pine Key because they seal tight against wind-driven rain, which is a constant reality on a narrow island with open water on both sides of US-1. A casement window’s compression seal outperforms a sliding window in a Category 1 or 2 storm. The hardware matters just as much as the glass, which is why we specify stainless steel operators and hinges on every coastal job.

Awning Windows
Awning windows work well in Big Pine Key’s raised homes, especially in bathrooms, kitchens, and lower-level enclosures where you want ventilation without letting in the afternoon squall. Because they hinge at the top and open outward, they shed rain better than most other styles when the trade winds pick up. We recommend marine-grade aluminum or vinyl frames and stainless hardware on any awning window within sight of salt water.

Fixed & Picture Windows
Fixed and picture windows are common on Big Pine Key’s elevated stilt homes, where a broad view of the water or the pine rockland is the whole point of the house. These units do not open, so the seal and the frame material carry the entire load. In salt air, a cheap insulated glass unit on a windward elevation can lose its argon fill and fog within three years. We specify marine-grade insulated glass with stainless spacer bars for these installations.

Single & Double Hung Windows
Single and double hung windows remain popular across Big Pine Key because they fit the traditional Keys cottage aesthetic and are easy to operate. The difference between a mainland spec and a coastal spec is the hardware. Plain galvanized or electroplated balances rust through in this environment. We install double hung units with stainless steel balances and spring systems rated for marine exposure, and we replace every piece of flashing tape with hot-dipped galvanized or peel-and-stick marine tape.

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 Big Pine Key
We are an authorized installer for more than a dozen manufacturer lines, including Andersen, PGT, ES Windows, and ECO Window Systems. That matters because we can quote manufacturer lines side by side on paper, so you see exactly what you are buying and what each warranty layer covers. We keep local stock for Big Pine Key customers, which means faster turnaround when a sash, a balance, or a piece of hardware fails and you need the opening made watertight again without waiting on a freight shipment. If you have a window brand you liked, we will service it. If you want a comparison of what each line costs installed on Big Pine Key, we will put it in writing.
Common Window Installation Problems We See in Big Pine Key Homes
- Aluminum frame corrosion at the jamb and sash. The salt air on Big Pine Key is unobstructed on both the Atlantic and Gulf sides of US-1, and we routinely see aluminum window frames that have corroded to the point of binding or complete failure within five to eight years. The fix is marine-grade aluminum or vinyl with stainless hardware, not another cheap aluminum extrusion.
- Fogged glass from seal failure in original single-pane or non-marine insulated units. On windward elevations, we see insulated glass units lose their seal and fog within three years of installation if they were built with mainland-spec spacer bars and sealants. The argon fill escapes, the glass fogs, and the unit is done.
- Rusted fasteners and failed flashing at the sill and jamb. Plain galvanized or electroplated hardware rusts through in this climate, allowing water intrusion during hurricane-driven rain. We find this on nearly every pre-Irma home we open up. The fix is hot-dipped galvanized or stainless fasteners and marine flashing tape at every jamb and sill.
- Insurance non-renewal letters tied to original jalousie or single-pane aluminum sliders. Big Pine Key is the only Florida Keys community where insurers now routinely require replacement of pre-Irma jalousie or single-pane aluminum sliders with impact-rated units as a condition of policy renewal. We handle these jobs start to finish, including the documentation your insurer needs.
Pricing for Window Installation in Big Pine Key, FL
Impact-rated casement windows in Big Pine Key typically run $1,100-$2,600 per opening installed, including marine-grade hardware and flashing. Double-hung windows with stainless balances run $900-$2,200 per opening. Fixed and picture windows run $800-$2,400 depending on glass size and whether the unit is impact-rated. A full home replacement on an elevated stilt house with 12 to 20 openings generally lands between $14,000 and $38,000.
What separates a $1,100 window from a $2,600 window is the frame material, the glass package, and whether the hardware is stainless or coated zinc. The coastal-spec job costs more up front because the materials cost more. The inland-spec job costs less the day you sign, then costs you again in five to eight years when the frames corrode and the seals blow. We quote both plainly and let you decide, but we will be honest about what we see on Big Pine Key. Call (813) 320-9346 for a free estimate. We will come out, measure every opening, and put the numbers in writing.
We Also Serve Cities Near Big Pine Key
Our Window Installation team works throughout the Lower and Middle Keys. In addition to Big Pine Key, we regularly serve Marathon, Key Colony Beach, Key West, and Tavernier. The salt air, the insurance mandates, and the stilt-home construction are similar up and down the island chain, and we bring the same coastal-spec materials and installation practices to every job.
Serving Big Pine Key, FL - Our Local Coverage Area
We’re based in the Big Pine Key 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 Installation in Big Pine Key
You can keep them only if your insurer says you can, and many insurers writing policies in Monroe County are now issuing non-renewal notices on homes with original jalousie or single-pane aluminum sliders, even if the windows survived the 2017 storm. The policy language is specific: openings must be impact-rated to current Florida Building Code wind-load provisions. If you received a non-renewal letter, call (813) 320-9346 and we will walk you through what your insurer is actually requiring.
Big Pine Key is narrower than Key West and Marathon and sits with open water on both the Atlantic and Gulf sides of US-1, so the salt-laden air hits window frames from both directions with far less landmass to break its force. In subdivisions like Eden Pines Colony, we see aluminum frames with advanced salt corrosion at every jamb within five to eight years, even on homes rebuilt after Irma. The fix is marine-grade aluminum or vinyl frames with stainless hardware from day one.
A coastal-spec window installation on Big Pine Key typically runs 20-40 percent more than the same window with inland-spec hardware, because stainless steel balances, hot-dipped galvanized flashing tape, and marine-grade insulated glass units cost more than the electroplated and plain-galvanized parts that fail here within a decade. The cheaper spec is the most expensive mistake you can make on this island. We will quote both lines on paper so you can see the difference for yourself.
Yes. Monroe County requires permits for window and door replacements on most Big Pine Key properties, and any replacement must meet current Florida Building Code wind-load provisions designed for 150+ mph design speeds. Impact-rated openings are the standard for new and replacement work. We pull the permits, manage the inspections, and register both warranty layers in writing before our truck leaves your driveway. Call (813) 320-9346 and we will explain the permit path for your specific home.
The seal has failed, and a failed insulated glass unit cannot be repaired. The argon fill has escaped and the glass will keep fogging. On Big Pine Key, we see this happen within three years on windward elevations when the original unit was built with mainland-spec spacer bars and sealants. The fix is a new insulated glass unit with stainless spacer bars, or a full sash replacement depending on the frame’s condition. Call (813) 320-9346 for an on-site assessment and a written quote.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Big Pine Key and the Florida Keys.
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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