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Window Replacement in Florida: Impact Glass, Costs & Permits

Replacing old windows is one of the best upgrades a Central Florida homeowner can make for comfort, storm protection, energy bills and insurance savings. But in Florida, “window replacement” means more than picking a style — it involves building-code requirements, permits and a choice between impact glass and shutters. Here is what to know before you buy.

Do you need impact (hurricane) windows in Central Florida?

Florida requires opening protection — impact-rated windows or approved shutters — in designated Wind-Borne Debris Regions. Whether your specific address falls in one depends on local wind-speed maps, so requirements can differ between coastal and inland parts of the Orlando metro. Even where impact glass isn’t strictly required, many homeowners choose it because it offers always-on protection (no shutters to put up before a storm), plus insurance, noise and security benefits. A licensed contractor confirms what your location and permit require.

Impact windows vs. shutters

Impact windows Shutters
Protection Always on Must be deployed before each storm
Everyday benefits Noise, UV, security, energy Storm protection only
Up-front cost Higher Lower
Insurance credits Often strong Available

Benefits of new windows in Florida

  • Lower insurance — wind-mitigation features can qualify for premium credits.
  • Energy savings — modern Low-E, double-pane units cut cooling costs in our long summers.
  • Storm & security protection — laminated impact glass resists debris and break-ins.
  • Comfort — less outside noise and fewer hot spots near windows.

Window replacement vs. window conversion

A straight replacement swaps an old unit for a new one in the same opening. A window conversion changes the opening itself — enlarging a window, turning a window into a door (or vice versa), or adding a new opening in an exterior wall. Conversions are structural: they can affect load-bearing walls and headers, so they require engineering and a permit. ALFE handles both, and because we are a licensed general contractor we can modify the structure, not just the glass.

Permits and the process

Window replacement in Florida requires a permit and inspection, and products must carry a Florida Product Approval or Miami-Dade NOA appropriate for your wind zone. The typical process:

  1. Measure, assess the openings, and confirm code requirements for your address
  2. Select impact or standard units and finishes
  3. Permit and product approval documentation
  4. Professional removal and installation, properly flashed and sealed
  5. Inspection

Frequently asked questions

Will new impact windows lower my insurance? Wind-mitigation upgrades frequently qualify for credits. Ask your insurer what documentation (a wind-mitigation inspection) they need.

Can I replace just a few windows? Yes — you can phase the project, though doing the whole home at once is usually more cost-effective per opening.

Do impact windows really help with noise? Yes. Laminated glass noticeably reduces outside noise, a nice bonus near busy roads.

Upgrading windows in the Orlando area? ALFE is a licensed Central Florida general contractor handling window replacement and structural window conversions. Call (321) 732-5615 or request a free estimate, and see our framing & structural and whole-house remodeling services.

Plumbing and gas work in Central Florida is handled by our sister company, Blessed Solutions Plumbing — licensed plumbers, 24/7 emergency service in Orlando, Kissimmee and St. Cloud.