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 Dover
Window replacement in Dover, FL runs $450-$1,900 per opening for most homes, depending on whether you need a full frame replacement or an insert. The rural-agricultural stretch of Hillsborough County around Dover presents a specific challenge most window companies miss: manufactured homes and older farmhouses rarely have standard rough openings, so off-the-shelf units from suburban suppliers don’t fit. Our crews work the CR-574 corridor, the strawberry farm grid east of Valrico, and the older homesteads off McIntosh and Gallagher Roads every week. We measure twice, quote manufacturer lines side by side on paper, and register both warranty layers before our truck leaves your driveway. Call (954) 280-4413 for a free estimate.
Why TruePane Windows & Doors Is Dover’s Preferred Window Replacement Company
TruePane has been serving rural Hillsborough County since 2008, and Dale Kessler founded this company in 2008 on a simple rule: if the pane is not true, the job is not done. That standard matters double in Dover, where manufactured-home rough openings, decades of afternoon thunderstorm cycles, and sandy soil mean a rushed install fails within a few seasons. Our technicians are background-checked and uniformed, and they know what a 1993 Palm Harbor double-wide off Sydney Road actually looks like behind the wall panel once the aluminum frame comes out.
We’re not the cheapest bid in Dover. We’re the last call a homeowner needs to make. The Keystone Standard means both manufacturer warranty layers get registered in writing, with durations stated, before our truck leaves the driveway. Our Done Right Promise covers the workmanship. If it is not done right, we make it right. No paperwork fights, no arguing.
Dover 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. You get a person who knows the difference between a site-built farmhouse off Gallagher Road and a double-wide on a rural lot off CR-574, because we have worked both.
Our Window Replacement Services in Dover
Full Frame Replacement
This is the service Dover needs most often. When we remove an old aluminum frame from a manufactured home or a 1980s wood-frame farmhouse, the surrounding framing is frequently undersized or decayed from decades of humidity wicking through failed flashing. Full frame replacement means we pull the entire old unit down to the rough opening, repair or rebuild the framing, re-flash with butyl tape, and set a properly sized new window. In Dover, this is not an upgrade. It is usually the only way to get a square, sealed opening. Typical cost: $850-$1,900 per opening including framing repair.

Insert Window Replacement
An insert fits a new window unit inside the existing frame. This works when the frame itself is still square and structurally sound, and it is the lower-cost option where it applies. On Dover’s newer tract homes along the eastern suburban edge near McIntosh Road, inserts often work well. On older manufactured homes, the aluminum frames are usually too warped or corroded from sandy soil grit to hold a proper seal, and we will tell you that before we quote an insert. Typical cost: $450-$950 per opening.

Storm Window Replacement
Central Florida’s afternoon thunderstorm cycle hits Dover hard. Driving rain, airborne sand from the strawberry fields, and sustained wind pressure test every seal on a home’s exterior. Storm window replacement here is about water management first: we re-flash openings, rebuild rotted sills, and set units that can handle the wind and grit. Hillsborough County wind-speed requirements still mandate tested, code-compliant openings even at Dover’s inland design pressures, which are lower than coastal Pinellas or Manatee but still real. Typical cost: $600-$1,400 per opening.

Energy-Efficient Upgrade
Dover’s inland position means no salt-air corrosion, but it concentrates the worst of Central Florida’s summer heat and UV. South- and west-facing vinyl frames on manufactured homes warp and lose seal integrity within 10-15 years. An energy-efficient upgrade with low-E glass and argon fill cuts solar gain and keeps your cooling bill from fighting a losing battle against a fogged, warped sash. We quote manufacturer lines side by side, including PGT, Ply Gem, and CWS, so you see exactly what each product does and what it costs. Typical cost: $700-$1,600 per opening.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Dover
TruePane is an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, and ES Windows. For Dover specifically, we also stock and install manufactured-home-specific window products from PGT, Ply Gem, and CWS, because those lines offer the custom sizing and frame depths that standard residential units cannot match. We keep common Dover sizes and parts in local inventory, so when a farmhouse sash fails or a double-wide frame cracks, we are not waiting on a shipment from a regional warehouse. Our Window Replacement team quotes these brands side by side on paper before anything gets ordered.
Common Window Replacement Problems We See in Dover Homes
- Non-standard rough openings. Dover’s manufactured and mobile homes, including the 1970s-1990s units along CR-574 and the surrounding farmland grid, were built to widths and depths that off-the-shelf replacement windows simply do not match. Most suburban suppliers will sell you a unit and leave you to figure it out. We measure every opening twice and source custom-sized products that actually fit.
- Undersized or decayed framing. When we remove an old aluminum frame from a Dover manufactured home, the surrounding framing often collapses because the rough opening was never properly reinforced when the home was set. That means full frame replacement plus structural repair before a new window can be set, and we write that into the contract up front so it is not a surprise line item later.
- Failed waterproofing behind siding. Dover’s older wood-frame farmhouses and the vinyl-sided units on the eastern suburban edge let afternoon thunderstorm-driven rain wick into sashes and jambs. By the time the owner sees the interior sill rot or the peeling paint, the wall cavity has been wet for years. Once we open the wall, that triggers a code-mandated permit upgrade, and we pull the permit and pass the inspection before we close anything up.
- Sandy soil and pesticide grit. The active strawberry and vegetable farming immediately surrounding Dover means fine sandy soil, pollen, and pesticide particulates infiltrate window tracks and door rollers year-round. We routinely find weep holes packed solid with grit and rollers ground down to metal on homes that are only a few years old. That hidden grit causes seal failure and water intrusion that only becomes visible after the sash is removed.
Pricing for Window Replacement in Dover, FL
Here are the numbers for Dover’s market, in plain terms. An insert window on a site-built home runs $450-$950 per opening. A full frame replacement runs $850-$1,900 per opening, with the higher end covering structural framing repair, custom sizing, and re-flashing. A manufactured-home window with custom sizing and sill plate rebuild typically lands between $900 and $1,700 per opening. What moves the number is the condition of the rough opening once the old unit comes out, the frame material you choose, and whether the job requires a permit upgrade. We quote fixed pricing in writing before work starts, and any surprise found behind the wall gets priced and approved in writing before we touch it. No change orders without your signature. Call (954) 280-4413 for a free estimate, and we will walk your house with you and put real numbers on the page.
Key Takeaways:
- Most Dover homes need custom-sized windows, not off-the-shelf units, because of non-standard manufactured-home rough openings.
- Framing repair, not the window unit itself, drives the biggest portion of a Dover replacement bill.
- South- and west-facing vinyl frames on manufactured homes warp and fog within 10-15 years from heat and UV.
- Both manufacturer warranty layers are registered in writing before our truck leaves the driveway.
- Free estimates: call (954) 280-4413.
We Also Serve Cities Near Dover
TruePane crews regularly work in Window Replacement in Dover and the surrounding communities, including Valrico, Plant City, Mango, and Brandon. If you live just outside the Dover line, call us at (954) 280-4413 and we will tell you straight whether we can get a crew to your door this week.
Serving Dover, FL - Our Local Coverage Area
We’re based in the Dover 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 Dover
Manufactured and mobile homes in Dover, particularly the 1970s-1990s units along CR-574 and the farmland grid, were built to rough opening widths and depths that do not match the standard residential sizes stocked by big-box retailers. A 32-inch by 54-inch opening on a 1993 double-wide is not the same as a 32-by-54 on a site-built home; the frame depth, the wall thickness, and the mounting flange are all different. We source manufactured-home-specific products from lines like PGT, Ply Gem, and CWS, and we custom-size when the opening is truly non-standard. Call (954) 280-4413 and we will measure your openings and give you an exact number.
Dover’s sandy soil and the active strawberry and vegetable farming around the town means fine grit and pesticide particulates work their way into window tracks and weep holes year-round. That grit packs weep holes solid, which traps water inside the frame, and it grinds rollers down to metal, which causes the sash to bind and the seal to fail prematurely. A window that would last 20 years in Brandon might last 10 here if it is not installed with proper flashing and drainage. Our field crews build Dover’s grit problem into every install and every maintenance pitch. Call (954) 280-4413 for a free estimate that accounts for it.
We stop and tell you before we do anything. When we remove the old sash from a Dover farmhouse and find rotted framing, we price the repair in writing, get your approval, and only then touch the structure. The rotting is usually from failed waterproofing behind the siding, which lets thunderstorm-driven rain wick into the jambs for years before you ever see it inside. Once the wall is open, a code-mandated permit upgrade applies, and we pull the permit and pass the inspection before we close anything up. That is the standard. Call (954) 280-4413 for an inspection if you suspect rot around your windows.
No. Dover’s inland position means Hillsborough County’s wind-speed requirements still apply and mandate tested, code-compliant openings, but at lower design pressures than coastal Pinellas or Manatee counties. Impact-rated glazing is often sold to Dover homeowners as a requirement when it is not one. It is a good product if you want the extra storm protection, and we install it, but we will tell you the truth: you do not need a coastal hurricane package on a farmhouse off Gallagher Road. Call (954) 280-4413 and we will quote code-compliant options at the right design pressure for your home.
Dover’s inland position concentrates Central Florida’s summer heat and UV on south- and west-facing walls, and manufactured-home vinyl frames were not built to take that for long. We regularly see fusion-welded vinyl sashes on 1990s double-wides off CR-574 with cracked corner welds and seal failure inside 10-15 years. The insulated glass unit loses its argon fill, the seal fails, and the window fogs. The fix is a full frame replacement with a properly rated low-E unit, and we have done that exact job on manufactured homes across Dover. Call (954) 280-4413 for a free estimate.
Call TruePane Windows & Doors for Window Replacement in Dover
If you live in Dover, FL and you are looking at warped sashes, fogged glass, or rotted sills, call (954) 280-4413. A live person answers. We will come out, measure every opening twice, quote manufacturer lines side by side on paper, and give you a fixed price in writing. Both warranty layers are registered before our truck leaves your driveway, and our Done Right Promise covers the workmanship. If the pane is not true, the job is not done. That is the rule Dale Kessler keeps on the whiteboard, and it is the rule we work by in Dover every day.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Dover and the surrounding Hillsborough County communities 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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