One of the most common questions South Florida homeowners ask us is how much impact windows will cost for their home. The honest answer is that it depends on several factors, including window size, style, frame material, glass options, and the complexity of installation. After 15 years and thousands of installations across Miami-Dade, Broward, and Palm Beach counties, we have a good feel for where prices land, and we believe homeowners deserve straight answers instead of vague ranges designed to get you on the phone.
What Determines the Cost of Impact Windows
Every impact window quote is built from the same core variables: the size and shape of the opening, the frame material (aluminum, vinyl, or composite), the glass package (standard laminated versus Low-E or acoustic upgrades), the brand, and the labor required to remove the old window and properly seal and flash the new one. A small bathroom window costs far less than a twelve-foot sliding glass door, and a custom-shaped transom window costs more per square foot than a standard rectangular opening because it requires custom fabrication rather than a stock size.
Average Price Ranges by Window Type
On a per-square-foot basis, impact windows in South Florida typically run $40 to $100 or more installed, depending on the factors above. In real-world numbers, that usually works out to $500 to $1,500 per standard-sized single hung or double hung window, including installation. Casement and awning windows tend to fall in a similar range, sometimes slightly higher due to the hardware involved. Larger picture windows and fixed-frame units can range from $700 to $2,000 depending on size, since bigger panes of laminated glass cost more to manufacture and handle safely.
A full-home replacement is where the numbers add up. For a typical South Florida home with 15 to 20 window openings, we see total project costs ranging from $10,000 to $30,000, with the exact figure depending heavily on how many large openings, sliding doors, or custom shapes are involved. Smaller condos and townhomes with 8 to 12 openings often land in the $6,000 to $15,000 range.
Impact Doors and Sliding Glass Door Pricing
Doors carry their own pricing tiers because of their size and the engineering required to keep large glass panels moving smoothly for decades. Impact-rated entry doors typically run $1,200 to $4,000 depending on material, glass inserts, and hardware. Sliding glass impact doors, one of the most common and most expensive single items in a South Florida remodel, generally range from $1,500 to $5,000 for standard two- and three-panel configurations, with large-format multi-slide or pocket sliding systems easily exceeding that range because of the specialized track hardware required. French impact doors typically fall between $2,000 and $6,000 per set.
How Brand and Glass Package Affect Price
We are an authorized dealer for four brands: PGT, CGI, ES Windows, and Custom Window Systems. Each has a different price position. PGT's WinGuard and EnergyVue lines are broadly popular and competitively priced for standard residential applications. CGI's Sentinel and Estate lines sit in a similar tier with strong reputations for coastal durability. ES Windows and Custom Window Systems tend to serve the higher end of the market, particularly for large-format, architecturally custom openings where CWS in particular is known for oversized multi-slide doors and narrow-sightline designs. Glass upgrades also move the price: adding Low-E coatings for energy efficiency typically adds a modest premium per window, while acoustic laminated glass upgrades for noise reduction add a bit more, though both are usually worth the investment for the ongoing savings and comfort they provide.
Factors That Can Push Your Price Higher
A few conditions specific to South Florida homes tend to push project costs above the averages. Non-standard window sizes require custom manufacturing rather than stock sizing, which adds to the per-unit price. Upper-floor installations on two-story homes often require scaffolding or lift equipment, which adds labor cost. Stucco remediation is extremely common when removing old aluminum windows from concrete block construction, since the original stucco frequently needs to be cut back and patched around the new, properly flashed opening. Homes within the High-Velocity Hurricane Zone of Miami-Dade and Broward counties also require products carrying a current Miami-Dade Notice of Acceptance, which can carry a modest premium over products only rated for the broader Wind-Borne Debris Region.
What Should Be Included in a Legitimate Quote
When you compare quotes from different contractors, make sure you are comparing equivalent scopes of work. A noticeably lower bid often means something is missing: permitting fees, engineering documentation, stucco repair, interior trim work, disposal of old windows, or even the impact certification itself. We provide detailed, itemized proposals that spell out exactly what brand, glass package, and scope of work is included, so you can make an apples-to-apples comparison instead of guessing why one number is lower than another.
Making the Investment Manageable
We understand that even the low end of a full-home project is a real financial decision. That is why we offer flexible financing, including 0% interest promotional periods, low-rate financing extended out to 15 years, and $0-down same-as-cash options. Many of our customers also qualify for the My Safe Florida Home Program, which offers grants of up to $10,000 toward hurricane hardening for homes built before 2002, along with FPL rebates and potential ENERGY STAR tax credits that further offset the total cost. Between financing and available incentives, most homeowners find a path that fits their budget without waiting years to protect their home.
How Pricing Can Differ by County
Because Miami-Dade and Broward counties fall within the High-Velocity Hurricane Zone, products installed there must carry a Miami-Dade Notice of Acceptance, which can carry a modest premium over products with only Florida Product Approval that are sometimes sufficient in parts of Palm Beach County. Permit fees, inspection requirements, and even typical labor rates can also vary slightly by municipality within these three counties. This is one reason two homeowners with nearly identical houses in different cities can receive noticeably different quotes for what looks like the same project on paper. We factor in the specific jurisdiction's requirements for every proposal so there are no surprises once the permit is submitted.
Common Pricing Mistakes to Avoid
The biggest mistake we see homeowners make is comparing quotes purely by the bottom-line number without confirming the products and scope are equivalent. A window advertised at a bargain price may only carry Florida Product Approval when your home requires a Miami-Dade NOA, meaning it will not pass inspection and the job will need to be redone. Another common mistake is accepting a quote that excludes permitting, stucco repair, or debris removal, only to be hit with change orders once the project is underway. Always ask a contractor directly whether their quote includes permits, engineering, full stucco remediation, interior trim finishing, and haul-away of your old windows, since these line items can add thousands of dollars if they show up later as surprises instead of being priced in from the start.
The best way to get an accurate number for your specific home is a free in-home estimate. Abe, our owner, personally walks every property, measures every opening, and delivers a detailed written proposal within 48 hours so you know exactly what you are paying for and why.