Impact Window Replacement in Fort Myers, FL

Installer replacing a window with a new hurricane-rated impact unit

Impact window replacement is specifically about upgrading existing, older windows — often original single-pane aluminum units from decades ago — to current, code-compliant impact glass. It's a different job than a new-construction install: we're working with an existing opening, existing exterior finish, and often an older wall assembly that has to be evaluated before the new window goes in.

We offer two replacement approaches depending on the condition of your existing frame: a retrofit (insert) replacement that fits the new impact unit inside the existing frame, or a full-frame replacement that removes everything down to the rough opening. Which approach makes sense depends on your existing frame's condition, material, and how it was originally installed.

Whichever approach fits your home, the finished window meets the same Florida Building Code wind-load standard as new construction, and the upgrade is one of the most common triggers for a meaningful drop in windstorm insurance premiums once it's documented. Call for a free on-site evaluation.

📞 Call (888) 619-5502

Request This Service

* Indicates required field

Other Services

Retrofit (Insert) vs. Full-Frame Replacement

A retrofit replacement fits a new impact window frame inside your existing, structurally sound frame — faster, less disruptive to interior and exterior finishes, and often more affordable. A full-frame replacement removes the old frame entirely down to the rough opening, which is necessary when the existing frame is deteriorated, out of square, or the wrong material to properly anchor a new impact unit. We evaluate each opening on your home individually rather than defaulting to one method for the whole house.

Evaluating Your Existing Frame

Before quoting a replacement, we check the existing frame for rot, corrosion, water damage, and whether it's square and structurally sound enough to anchor a retrofit insert. On older homes with wood-framed openings or aluminum frames showing corrosion, a full-frame replacement is often the right call even though it's more involved, because anchoring a new impact window into a compromised frame would undermine the whole point of the upgrade.

Why Older Fort Myers Homes Often Need This

A large share of homes across Fort Myers and Lee County were built before current Florida Building Code wind-load standards existed, with original single-pane aluminum windows that were never designed or tested for windborne-debris impact. Those windows are one of the single biggest vulnerabilities on an older home during a storm, and replacing them is often the highest-impact upgrade a homeowner can make to both storm readiness and insurance costs.

Permitting & Inspection for Replacement Work

Window replacement is permitted work under the Florida Building Code, and that's true whether it's a retrofit or full-frame job — the building department verifies the installed product's rating and installation method against the permit, not just the fact that a window was replaced. We handle the permit submission and schedule the final inspection as part of every replacement project.

Timeline & What to Expect

A retrofit replacement of a handful of windows is often completed in a single day; a full-home package, especially with full-frame replacement on some openings, typically runs several days depending on the number of windows and whether structural repairs are needed at any opening. We sequence the work room by room so your home isn't fully open to the outside at any point longer than necessary.

What Drives the Cost

Retrofit replacements generally cost less than full-frame because there's less demolition and finish work involved, but the right approach depends on your existing frame's condition, not just price. Other cost factors are the same as new installation: opening size, DP rating, frame material, and glass configuration. We give you both a retrofit and full-frame price when either is a legitimate option so you can decide.

Insurance Premium Impact

Replacing old, non-rated windows with impact glass is one of the most common reasons Lee County homeowners see a meaningful drop in their windstorm premium, because the wind mitigation inspection specifically checks opening protection as one of its major categories. The improvement from single-pane aluminum to impact-rated glass is typically the largest single jump on that inspection.

Common Mistakes Homeowners Make

The most common mistake is choosing a retrofit installation on a frame that's actually too deteriorated to properly support it, which can compromise the new window's performance even though it looks fine on move-in day. Another is assuming any "hurricane" or "impact-resistant" labeled product from a national retailer meets Lee County's specific DP requirements without checking the actual product approval documentation against your opening's calculated rating.

Choosing the Right Contractor for Replacement Work

Replacement work is easier to underestimate than new construction, because a contractor who isn't careful can hide problems behind new trim rather than actually addressing a deteriorated frame or an improperly sized opening. Ask any contractor quoting replacement work for their Florida license number, proof of insurance, and the specific product approval documentation for what they're proposing to install — a legitimate Florida contractor will have all three ready without hesitation.

Phasing a Whole-Home Replacement Project

Not every homeowner needs or wants to replace every window at once, and there's nothing wrong with breaking a full-home upgrade into phases based on budget or priority. A common approach is starting with the most exposed elevation — typically the side facing prevailing wind or open water — or the rooms where the old windows are causing the most noticeable problems, then completing the rest of the house in a later phase once budget allows. We're happy to walk your whole home, give you a phased plan with per-opening pricing, and let you decide the pace rather than pushing a single all-or-nothing package.

Impact Window Replacement FAQs

How do I know if my current windows are already impact-rated?

Look for an etched permanent label in the corner of the glass listing the manufacturer, product approval number, and rating, or check your home's permit history with the building department. If you're not sure, we can inspect your existing windows during a free quote and tell you.

Can you replace windows one room at a time instead of the whole house?

Yes — many homeowners phase a full-home replacement over time, starting with the most exposed elevation or the rooms that matter most, and completing the rest in a later phase.

Will replacing old windows actually lower my energy bill?

Most homeowners see a noticeable reduction, since original single-pane aluminum windows are poor insulators compared to laminated impact glass with a tighter modern frame seal — the exact savings depends on your home's overall envelope and how many openings are upgraded.