Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Dunedin
Window replacement in Dunedin, FL typically runs $850-$2,400 per opening for standard insert units, while full-frame impact-rated replacements on the older bungalow stock run $1,800-$4,200 per window once structural work, permitting, and coastal wind-load compliance are factored in. We know those numbers because we’ve opened up enough Dunedin walls near the Causeway, along Edgewater Drive, and throughout the historic downtown core to know exactly what hides behind them. Call (954) 280-4413 and we’ll give you straight pricing, not a sales pitch.
Our Window Replacement crews work throughout Dunedin weekly. We know the jalousie pockets, the undersized headers, and the salt-air corrosion that make this town’s window projects different from anywhere else on the Suncoast.
Why TruePane Windows & Doors Is Dunedin’s Preferred Window Replacement Company
We’ve spent years learning how Florida homes fail, and Dunedin’s particular stock of 1920s-1960s bungalows and Craftsman cottages teaches a lesson no franchise training manual covers. Dale Kessler founded this company in 2008 on a rule that still governs every install: if the pane is not true, the job is not done. In Dunedin, that means test-fitting a new impact-rated unit, checking the header sizing, and walking the homeowner through what the permit will actually require before we touch the opening.
Dunedin homeowners call us because a live person answers the phone 24 hours a day, 7 days a week. Not a voicemail tree. Not a callback form. When a 4-point insurance inspection flags your original jalousie windows and your renewal deadline is three weeks out, you need answers on the first call. You get them.
Our technicians are background-checked, uniformed, and trained as apprentices into journeymen. We measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves your driveway. That’s The Keystone Standard, and it’s in writing on every Dunedin job.
Our Window Replacement Services in Dunedin
Most Dunedin homes fall into one of four project types. Here’s what each actually involves in this city’s housing stock.
Full Frame Replacement
Full frame replacement means pulling the entire old window, frame and all, down to the rough opening. In Dunedin’s pre-1960 bungalows, this is where the real problems surface. Original jalousie units weigh almost nothing. Modern impact-rated insulated glass can weigh three to four times as much. When we open the wall, we routinely find a single 2×6 header that was sized for a jalousie and never meant to carry a Simonton double-hung with low-E and argon fill. We sister the header, flash the rough opening correctly, and install the new unit to code. A full frame replacement in Dunedin typically runs $1,800-$4,200 per window when structural carpentry and wind-load permitting are included.

Insert Window Replacement
If your existing frames are square, sound, and properly flashed, an insert keeps the original frame in place and drops a new sash unit inside it. For Dunedin homes that had windows replaced once already in the 1990s or 2000s with aluminum frames that have since pitted from St. Joseph Sound salt air, an insert into sound framing is a faster and less expensive path. Insert replacement in Dunedin generally runs $850-$1,600 per window. The catch is that many older Dunedin frames are not sound once you strip the trim and inspect the sill. We’ll tell you either way before you spend a dollar.

Storm Window Replacement
Storm windows are a practical middle step for Dunedin homeowners who are not ready to commit to full impact-rated glazing but need better protection and sealing on original wood windows. A well-built interior storm over a restored original sash keeps the historic character of a downtown Dunedin bungalow intact while cutting air infiltration and adding a layer of storm resistance. Costs for storm window replacement in Dunedin run $400-$950 per opening, and we match the finish to the existing millwork so the curb appeal holds.

Energy-Efficient Upgrade
Dunedin’s direct Gulf exposure means afternoon heat loads on west-facing windows along the waterfront streets are brutal from May through October. Upgrading to low-E insulated glass with argon fill cuts the solar heat gain that makes those rooms unusable by 3 p.m. For Dunedin homeowners on Duke Energy’s flat residential rate, the savings are real but modest; the comfort difference is immediate. Energy-efficient window upgrades in Dunedin typically run $900-$2,200 per window depending on glass package and frame material.

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 Dunedin
We are an authorized installer for more than a dozen manufacturer lines, and for Dunedin specifically we stock and recommend products that hold up to this city’s salt exposure. CGI and PGT impact-rated lines are workhorses on the waterfront streets. ES Windows offers powder-coated aluminum frames that resist the pitting we see on standard mill finishes within two years of direct St. Joseph Sound exposure. We quote lines side by side on paper so you see exactly what each manufacturer charges and what each warranty actually covers. Both warranty layers get registered in writing before our truck leaves your Dunedin driveway.
Common Window Replacement Problems We See in Dunedin Homes
- Undersized headers from original jalousie installations. A 1950s bungalow near the Dunedin Causeway had a single 2×6 carrying a jalousie opening. The new impact-rated unit weighed too much for it. We sistered the header before the inspector ever saw it.
- Salt-air pitting on non-marine-grade aluminum frames. Homes along the Dunedin Causeway corridor and waterfront streets face unobstructed salt from St. Joseph Sound and the Gulf. Standard aluminum pitts and oxidizes within two to three years. Marine-grade or anodized finishes are not an upgrade here; they’re the baseline.
- Failed 4-point insurance inspections from original single-pane sliders and casements. Florida insurers flag jalousie and original aluminum units on the 4-point. Homeowners get a non-renewal notice and three weeks to fix it. We handle these emergency replacements in Dunedin regularly.
- Load-bearing surprises behind old jalousie pockets. Wiring run through jalousie pockets, rot hidden behind stucco, undersized king studs. Older Dunedin bungalows hold onto their secrets until the trim comes off. Our quotes include a written allowance for what might be found, and any surprise is priced and approved in writing before we touch it.
Pricing for Window Replacement in Dunedin, FL
Here are the real ranges for Dunedin’s current market:
- Insert window replacement: $850-$1,600 per window
- Full frame replacement: $1,800-$4,200 per window with structural work and permitting
- Storm window replacement: $400-$950 per opening
- Energy-efficient glass upgrade: $900-$2,200 per window
- Jalousie-to-impact conversion with header work: $2,200-$5,000 per opening depending on framing scope
What moves these numbers in Dunedin specifically: header repairs, wind-load permit requirements near the waterfront, and whether the existing rough opening is true. We write allowances into the contract for the structural unknowns. You’ll see every price in writing before work starts, and the Done Right Promise covers the workmanship. Call (954) 280-4413 for a free estimate with line-item pricing.
We Also Serve Cities Near Dunedin
TruePane crews work throughout northern Pinellas County. Beyond Window Replacement in Dunedin, we also serve Pinellas Park, Largo, Seminole, and Bay Pines. The salt-air and older-stock issues we handle in Dunedin show up in those communities too, and we bring the same structural inspection standard to every job.
Serving Dunedin, FL - Our Local Coverage Area
We’re based in the Dunedin 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 Dunedin
Older Dunedin bungalows were framed with load-bearing headers sized for lightweight jalousie units, not for modern impact-rated insulated glass that weighs three to four times more. When we test-fit the new unit, an undersized header becomes obvious and must be sistered or replaced before the window can be safely installed. That’s why our Dunedin quotes include a written structural allowance up front. Call (954) 280-4413 for a quote that accounts for what’s actually behind your walls.
If your home sits east of the Dunedin Causeway corridor or within the coastal wind-load zone, a permit-triggered replacement will likely require impact-rated or wind-load-compliant glazing at design speeds near 130 mph at the waterfront. We pull the permit, handle the engineering documentation, and schedule the inspection. You’ll know the code requirement before you sign anything.
Original jalousie units, single-pane aluminum sliders, and deteriorating wood-frame casements are the top three failure triggers in Dunedin homes. If your windows still have cranks from the 1960s, visible corrosion on the frames, or condensation between panes, a 4-point inspector will most likely flag them. Call (954) 280-4413 and we’ll do an honest walkthrough of your windows before your insurance company forces your hand.
Homes within a mile of St. Joseph Sound or the Gulf get direct salt air that pits standard mill-finish aluminum within two to three years. Marine-grade or anodized finishes are the practical baseline for Dunedin waterfront and Causeway-adjacent homes. We won’t sell you inland hardware that we know will come back to haunt you in twenty-four months.
Yes, in many cases we can rebuild or replace sashes while keeping the original frame, casing, and exterior trim intact. For historic downtown Dunedin bungalows where the community actively resists out-of-character replacements, this is the standard approach. We’ll show you what’s salvageable and what isn’t, and match new sash profiles to the original millwork. Call (954) 280-4413 for a free estimate on a sash-and-frame assessment.
Contact TruePane Windows & Doors in Dunedin
Call (954) 280-4413 for a free window replacement estimate in Dunedin. We’ll send a background-checked technician to measure, inspect what’s behind the trim, and hand you a written line-item quote. You’ll see the structural allowance in writing if your project needs it, and every job carries the Done Right Promise. We’ve been serving communities like Dunedin since 2008, and we’ll still be answering the phone in thirty. If the pane is not true, the job is not done.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Dunedin with honest window replacement since 2008.
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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