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PGT Window Replacement: The Miami Owner’s Guide
PGT window replacement in Miami typically costs $450 to $1,400 for a standard single-hung or casement sash, and most swaps are completed in one visit once the replacement unit is matched and in hand. The most common way owners discover a PGT window has failed is a fogged or hazy pane they can no longer wipe clean, or a window that suddenly binds when it used to open with one hand. You’ll know you’re in the right place if the window frame is still square and the glass unit itself has failed, the sash hardware has worn out, or a PGT impact window has lost its seal after years of salt air and afternoon thunderstorms.
We stock, source, and install PGT-compatible replacement parts and full sash units across Miami-Dade, from Kendall to Coral Gables to Cutler Bay. Call (754) 238-2201 and a live person answers, day or night.
Which PGT Models This Applies To
PGT builds three window families that we see most often in Miami homes: the 400 Series single-hung, the 500 Series casement and picture windows, and the WinGuard impact-rated line that’s become nearly standard in coastal neighborhoods like Coconut Grove and Pinecrest. Each uses different balance systems, sash profiles, and glass packages, so the replacement has to match the series or the window will never seat right. The quickest way to identify your window is to check the silver manufacturer label on the inside edge of the frame, which lists the series number, the glass package code, and the date of manufacture. If the label has worn off, measure the visible glass width and height to the nearest 1/16 inch, then call us with those numbers before you order anything.
An OEM PGT replacement unit guarantees the same glass thickness, Low-E coating, and impact laminate as the original, which matters for a house built under Miami-Dade’s High Velocity Hurricane Zone code. We carry compatible aftermarket units where they’re a genuine match, but with PGT we lean OEM on impact windows because the rating comes from the total assembly, not just the glass. We’re an independent service provider, not affiliated with PGT, so you’ll get a straight answer on which route makes sense for your window. Brands like Andersen, and Pella make fine products too, but a PGT opening should typically stay PGT where the rating is involved.
Signs Your PGT Window Replacement Is Failing
- Fog or condensation between the panes. The insulated glass unit has lost its seal, which means the argon or krypton fill has escaped and humid Miami air has gotten in. Cleaning won’t fix this, and the window’s energy performance drops with it.
- The sash won’t stay up without propping. The balance system, either a spiral or block-and-tackle on most PGT lines, has worn out. This often fails first on the west-facing windows that bake all afternoon in Kendall and Westchester.
- The crank, latch, or lock is stiff or stripped. Salt air and Florida humidity eat window hardware faster than anything. PGT casement windows use a multi-point locking system where one worn gear tooth can make the whole crank feel dead.
- You feel a draft or hear road noise through a closed window. The weatherstripping has flattened or the sash isn’t seating true in the frame. In Miami this shows up as a warm wall of air around the window in September.
- Visible cracks or chips in the glass. Even a hairline crack in an impact window compromises the interlayer, and it rarely stops spreading. A cracked impact panel is no longer doing what the code requires.
Replacement Cost & What’s Included
The installed price for a PGT window replacement in Miami depends on the series, the size, and whether the opening calls for impact or non-impact glass. Here’s what we quote, turnkey, on paper before any work starts:
- Sash-only replacement (single-hung or casement): $450 to $900, including the replacement sash, new hardware, and resetting into the existing frame.
- Full-frame replacement (rot or water damage in the frame): $800 to $1,400 and up, depending on framing repairs and interior trim.
- WinGuard impact replacement: $750 to $1,400 per window, because the glass package alone is a laminated, rated assembly.
- Glass-only replacement for picture windows: $500 to $1,000, depending on the size and Low-E package.
Every quote is a written line-item quote with the parts listed, the labor called out, and the warranty durations stated on the page before anyone picks up a tool. We register both manufacturer warranty layers in writing before the truck leaves your driveway, which matters when it’s time to file a claim and the manufacturer wants proof of professional installation. Our Done Right Promise covers the work itself: if it’s not right, we make it right with no paperwork fights.
DIY or Call Us?
What an owner can safely do is identify the series, take rough measurements, and send us photos so we can match the part before the visit. Cleaning the track, tightening a loose handle screw, and checking for obvious obstruction in the weatherstripping is also fair game. What usually goes wrong in a DIY PGT window replacement is ordering the wrong size because the measurement was taken to the frame rather than the glass, or damaging the reveal when the old sash is pulled without releasing the balance properly. On impact windows, a botched install can void the product approval and turn an insured-rated window into an unrated one without you knowing until a storm hits. Some of these windows are heavy enough to need two people and a plan for the old unit. Call (754) 238-2201 and we’ll match it, quote it, and set it right.
FAQs
Most PGT windows last 15 to 25 years in the Miami climate, though the seal on the insulated glass unit often fails first, usually at the 10 to 15 year mark when constant heat, humidity, and salt air take their toll. Call (754) 238-2201 for an exact diagnosis on your window.
If the failure is fog between the panes or a blown seal, the glass unit itself must be replaced, though the frame and sash can often stay; if hardware has failed, we may be able to replace just the hardware. Call (754) 238-2201 and we’ll tell you straight which route applies to your window.
A standard PGT window replacement takes 45 to 90 minutes per window once the parts are in hand, and most Miami jobs are completed in a single visit. Call (754) 238-2201 and we’ll give you a time window for your specific job.
We stock common PGT hardware, balances, and weatherstripping on the truck, and most full replacement units can be sourced and installed within a few days to two weeks depending on the series and glass code. Call (754) 238-2201 to check availability for your window.
Why Miami Homeowners Call TruePane for PGT Window Replacement
Dale Kessler grew up in Kendall and spent summers watching his father re-glaze storefronts along the Tamiami Trail before he ever picked up a paycheck. He’s been measuring, sourcing, and setting windows in South Florida for going on three decades, and the work he’s best known for is impact-rated installations that pass inspection the first time. “Measure it right the first time, or plan on coming back.” That’s the rule that governs every PGT window replacement we do in Miami.
If the pane is not true, the job is not done. Call (754) 238-2201 for a free estimate on your PGT window replacement. A live person answers, because that’s the way it should work.
Written by Dale Kessler, Owner, TruePane Windows & Doors at TruePane Windows & Doors, serving Miami and nearby areas.
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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