Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
What Window Replacement Costs in Fort Myers
Impact-rated window replacement in Fort Myers runs $800 to $1,500 per window installed. A basic impact single-hung starts around $900 and tops out near $1,800 for larger openings with higher design pressures. Custom or oversized openings, like a wide living-room picture window facing the Caloosahatchee, land between $2,500 and $5,000. Whole-home packages across a typical CBS ranch run $8,000 to $25,000 and up, depending on opening count and wind zone.
What moves the price here more than anything is design pressure. An opening on a second-floor corner wall needs a higher PSF rating than a ground-floor window shielded by a porch. Frame material matters too: vinyl is the most economical, aluminum costs more, and wood-framed impact units in older McGregor Boulevard homes are the most expensive to fabricate. Wind zone, floor height, and the condition of the existing rough opening all factor into the written quote.
We hand you a written price before any work starts. The measured survey and the final invoice are the same document. Call (509) 265-6387 to schedule a free in-home measure and written quote.
Fast, Reliable Window Replacement Across Fort Myers
Window replacement in Fort Myers is a different job than it was before September 28, 2022. Hurricane Ian’s Category 4 landfall rewrote what Lee County homeowners need from a window: it has to hold pressure, satisfy an insurer, and stand up to salt air off the Caloosahatchee. We install impact-rated and energy-efficient windows across Fort Myers, from the 1960s CBS ranches along McGregor Boulevard to the 2000s master-planned homes in Gateway and Colonial Country Club. Our crews work locally, know the 4-point inspection triggers, and document every install with a photo record you keep. Call (509) 265-6387 to talk through your openings.
Key Takeaways
- Impact-rated replacement windows in Fort Myers run $800-$1,500 per window installed; whole-home packages start around $8,000.
- Original jalousie windows are the top insurance non-renewal trigger in Lee County, especially along McGregor Boulevard.
- We write the price before work starts. The measured survey you keep is the quote.
- Every job leaves a documented photo record and is covered by the 365-Day Done Right Promise.
- We handle HOA approvals and builder-warranty coordination for newer communities like Gateway and Colonial Country Club.
Why Sightline Windows & Doors Is Fort Myers’s Window Replacement Company

We’re the contractor that shows you the price in writing before a tool is lifted. That’s Haven Clause 1: Have it in writing. Since 2012, Sightline has installed more than 18,000 windows and doors under the Haven Standard, and every one of those jobs left a photo record when it was done. Fort Myers homeowners researching contractors read the three-star reviews. They want the price on the page. We put it there.
Our Fort Myers customers tell us the same thing: the person who measured the opening is the person who shows up with the crew. Technicians are background-checked, uniformed, and identified by license number before arrival. That’s Haven Clause 3: Verified Crews. You know who’s at your door. The quote matches the survey. There’s no change order down the line.
We carry eight manufacturer lines, including PGT, CGI, and CWS, and we specify them by what the opening requires, not by what’s in stock. For a salt-air-exposed jalousie tear-out on McGregor, that means a PGT impact casement with the right Miami-Dade NOA number. For a fogged vinyl sash in Gateway, that might mean a simpler insert. The right product, the right price, documented end to end.
Before
AfterOur Window Replacement Services in Fort Myers
Full Frame Replacement
Full-frame replacement removes the entire existing window down to the rough opening and installs a new unit with new jamb-to-concrete connections. This is the standard approach for Fort Myers homes with original jalousie windows or salt-corroded aluminum frames. In the McGregor corridor, we replaced a 1970s CBS ranch’s original louvers with PGT impact-rated casements after the homeowner’s carrier sent a non-renewal notice. The old frames had rotted from decades of salt air, so the jamb-to-concrete connections needed full tear-out before new units could go in.

Insert Window Replacement
Insert replacement fits a new window into the existing frame, which works when the frame itself is square and sound. In Fort Myers, this is common for 2000s vinyl homes in Gateway and Colonial Country Club where the frame is fine but the sashes have lost their seal from storm-surge humidity. Inserts cost less than full-frame and go in faster. We check the existing frame’s condition before recommending anything, because a compromised frame means an insert won’t hold its design pressure.

Vinyl Replacement Windows
Vinyl is the most economical impact-rated option in Fort Myers. It doesn’t corrode in salt air the way aluminum does, and modern vinyl formulations hold design pressures well above what Lee County wind zones require. For homeowners in Cape Coral-facing neighborhoods and the Caloosahatchee corridor, vinyl units from CWS or ES Windows often hit the sweet spot between cost and wind-mitigation credit. We specify by the opening’s required PSF, never by what’s easy to stock.

Energy-Efficient Upgrade
Energy-efficient upgrades focus on U-factor and SHGC, the two numbers that determine how much heat leaks through the glazing. In Fort Myers, the hard swing between dry season and the June-to-October storm window accelerates sealant breakdown, so a window that leaks air tells you with higher cooling bills before the glass fails. We match Low-E coatings and insulated glazing to the orientation of each opening: east- and west-facing windows get different specifications than north-facing ones. The result is a window that works with our climate, not against it.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Fort Myers

We install and service windows from Window Replacement lines including PGT, CGI, CWS, and ES Windows. PGT is the default for impact-rated work in Lee County because of its Miami-Dade NOA documentation, which your wind-mitigation inspector needs to see. CGI makes a heavier-gauge aluminum frame that holds up well in salt air. CWS and ES Windows offer solid vinyl options for budget-conscious full-frame replacements. We stock common replacement parts for Fort Myers customers, which shortens turnaround on sash and hardware repairs.
Common Window Replacement Problems We See in Fort Myers Homes
- Jalousie louvers flagged on 4-point inspections. Glass louvers flutter at design pressures as low as 40 psf, which makes them the first non-impact opening a Fort Myers inspector red-flags. This is the single most common insurance-driven replacement trigger in Lee County.
- Fogged vinyl sashes in 2000s communities. Builder-grade vinyl double-hungs in Gateway and Colonial Country Club lose their seal and fog from storm-surge humidity. The sash fails before the frame hits 15 years old, and the fix is often a sash replacement rather than full-frame.
- Salt-corroded aluminum frames and hardware. Homes along the Caloosahatchee eat jamb weatherstripping faster than inland homes. Air leaks show up as drywall cracks and climbing cooling bills before the glass itself looks damaged.
- Sealant breakdown around fixed-glass panels. Fort Myers’s dry-season-to-storm-window swing stresses the sealant around door thresholds and fixed panes. Those leaks are repeat service calls here more than in Central Florida, and they’re preventable with the right sealant spec.
Pricing for Window Replacement in Fort Myers, FL

A typical insert replacement in Fort Myers runs $800 to $1,200 per window. Full-frame replacement on an older CBS home starts around $1,200 and goes to $2,000 per opening. Impact-rated units add $200 to $400 per window over non-impact equivalents, but they’re the only option that satisfies Lee County insurers and unlocks wind-mitigation credits. Whole-home work on a 1,800-square-foot ranch lands between $12,000 and $22,000. The free in-home measure gives you a written quote you keep; that number does not change once work starts.
We also do a Free Second Opinion on Any Written Estimate. Bring us a competitor’s quote and we’ll review it against what the opening actually requires. No charge. Call (509) 265-6387.
Fort Myers’s Post-Ian Insurance Reality Changes the Math
Fort Myers is the only major Lee County city where post-Ian insurance non-renewals are routinely triggered by original jalousie windows along McGregor Boulevard. Naples and Cape Coral rarely see these louvered units, so the replacement trigger here is both wind-code and insurability-driven. A homeowner with a 1960s CBS ranch and original jalousies isn’t replacing windows as a cosmetic upgrade; they’re responding to a carrier letter that says the policy won’t renew without impact-rated openings. That changes the urgency, the calculus, and the way we approach the job. We document every Miami-Dade NOA number and design pressure on the quote so your wind-mitigation inspector has what they need to sign off.
Newer Homes in Fort Myers: What to Replace First

If you bought a 2015-to-2025 build in Gateway or Colonial Country Club, you’re likely living with builder-grade windows that meet code but weren’t chosen for longevity. The first thing to replace is anything fogged: a lost seal won’t fix itself and it’s already costing you cooling dollars. Next, look at south- and west-facing openings where Low-E coatings from the builder were minimal; those are your biggest heat gain. What’s usually fine as-is: the frames themselves, if they’re square and the weep system is clear. We’ll tell you if an insert works or if the frame needs to come out. We also coordinate with HOAs on architectural approval, because most newer Fort Myers communities require written sign-off before a window spec changes.
Builder Warranties and Your Replacement
Replacing windows in a Colonial Country Club or Gateway home does not automatically void your builder warranty. Florida law protects homeowners on unrelated structural components, but the window-related portion of a builder warranty can be affected if the replacement changes the opening’s design pressure or waterproofing method. We document the original spec, the new spec, and the installation method. If there’s a question, we talk to the builder’s warranty rep directly. You shouldn’t have to choose between a safe window and a valid warranty, and with paperwork in order, you don’t.
Impact Windows vs. Hurricane Shutters in Fort Myers
One comparison comes up constantly: impact windows versus hurricane shutters. Shutters cost less upfront, but someone has to hang them before every storm, store them, and maintain them. Impact windows are permanent protection. No panels to find in the garage. No ladders at 9 p.m. with a storm 12 hours out. Fort Myers homeowners post-Ian have trended hard toward impact-rated replacement windows, partly because insurers credit them more reliably, and partly because a permanent solution is the only thing that works when evacuation orders come. We never install shutters. We replace the window itself with something that holds its design pressure all year, every year.
Florida Pays You Back

Fort Myers homeowners have access to a stack of incentives that lowers the real cost of impact-rated replacement windows. The My Safe Florida Home program offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, which includes impact windows. Florida also exempts impact-resistant windows and doors from sales tax, which saves roughly 6% to 7% at purchase. The federal 25C energy credit covers 30% of product cost, up to $600 per year, on qualifying energy-efficient units. After a wind-mitigation inspection that runs $75 to $150, many Lee County carriers credit around 25% on the windstorm portion of the premium. We can’t guarantee what your insurer will do; the carrier sets the final number. But we document everything the inspector and the insurer need.
We Also Serve Cities Near Fort Myers
Our crews serve Fort Myers plus surrounding communities across Southwest Florida, including Cape Coral, Sarasota, Bradenton, and Lakeland. The same Haven Standard applies everywhere: written price first, verified crews, documented photo record when the job is done. If you’re across the Caloosahatchee in Cape Coral or further up the coast, call (509) 265-6387 and we’ll schedule the measured survey.
Serving Fort Myers, FL - Our Local Coverage Area

We’re based in the Fort Myers 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 Fort Myers
Yes, in most cases it will satisfy the condition a carrier set in a non-renewal or conditional-renewal notice. The key is documentation: the replacement must carry Miami-Dade NOA numbers and the design pressure must match the opening. We put those numbers on your written quote and in the photo record, so your wind-mitigation inspector and your insurer both see the evidence. Call (509) 265-6387 for a free in-home measure and a quote your carrier can actually read.
It depends on the condition of the existing frame. If the frame is square and the weep system is functioning, an insert replacement works and costs less. If the frame was distorted by Ian’s wind pressure or the jamb weatherstripping has failed from storm-surge humidity, full-frame is the right call. We check the frame before recommending either, and the written quote reflects what we found in the measured survey.
Most Fort Myers openings require design pressures between 40 and 70 PSF, depending on wind zone, floor height, and exposure. Ground-floor windows on an interior wall need less; second-floor corner windows need more. We never install a unit rated below what the opening requires, and we never label a wind speed as a design pressure. The quote states the PSF rating per opening, plainly. Call (509) 265-6387 for an exact spec on your home.
No. Replacing windows does not automatically void a builder warranty on unrelated structural components. The window-related portion of the warranty may be affected, but Florida law protects you, and we document everything: original spec, new spec, installation method. If needed, we coordinate directly with the builder’s warranty representative. You keep the paperwork, and the warranty question stays answered.
Replacing original single-pane aluminum windows with modern Low-E impact-rated units typically cuts the portion of your cooling bill tied to heat gain by 20% to 30%. The exact number depends on orientation (west- and south-facing openings matter most), the home’s insulation, and how much air was leaking through the old weatherstripping. Salt-corroded frames leak more than you think, and the first sign is usually a cooling bill that climbs year over year. We document the before and after.
Contact Sightline Windows & Doors in Fort Myers

If you’re holding a non-renewal letter, staring at fogged vinyl sashes, or just want a written price on impact-rated windows for your Fort Myers home, call (509) 265-6387 to schedule your free in-home measure. You’ll get the measured survey to keep, a written quote that won’t change, and a documented photo record when the job is done. That’s the Haven Standard, on every opening.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Fort Myers with impact-rated window replacement under the Haven Standard since 2012.










Before
After
Before
After