Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across St. Petersburg
Window installation in St. Petersburg means something specific. It means salt-air corrosion eating aluminum frames three blocks from the bay. It means a 1920s bungalow in Historic Kenwood with rough openings that no stock unit fits. It means meeting Florida Building Code impact standards so your insurance certificate actually holds up. TruePane Windows & Doors does this work daily. We’re the Window Installation team that measures twice, orders non-standard sashes when the opening demands it, and registers both warranty layers before the truck leaves your driveway. Call (813) 320-9346 for a straight answer and a free estimate.
Why TruePane Windows & Doors Is St. Petersburg’s Preferred Window Installation Company
Dale Kessler founded this company in 2008 on a rule that governs every install: if the pane is not true, the job is not done. That rule matters more in St. Petersburg than almost anywhere in Florida. The peninsula’s three-sided saltwater exposure punishes shortcuts. A window that sits a quarter-inch out of plane in a Tampa subdivision might last ten years. In St. Pete, that same error shows up as a corroded sill pan and a rotted jamb in three. Our crews measure every opening individually, including the pre-1960 houses in Old Northeast where jamb widths vary by the inch.
We serve St. Petersburg with background-checked, uniformed technicians who treat your home the way they would their own mother’s. A live person answers the phone 24 hours a day, seven days a week. Not a voicemail tree. Not a regional call center. When a St. Pete homeowner calls about a failed inspection or a leaking jamb, they talk to someone who knows the difference between a Florida Product Approval number and a marketing claim.
The 90-Day Done Right Promise is not a slogan. It is a written guarantee: if the work is not done right, we make it right. No paperwork fights. No arguing. We put it in writing before the first sash goes in. That is the Keystone Standard, and it is why St. Petersburg homeowners who have been burned once call us the second time.
Our Window Installation Services in St. Petersburg
Single & Double Hung Windows
Single and double hung windows are the workhorse of St. Petersburg’s older housing stock. Most 1950s-1970s concrete block homes still have original aluminum single-hungs that pre-date any hurricane-impact standard by decades. The sash locks are often seized from salt exposure, and the channels are so corroded the window will not stay open. We replace them with impact-rated units that meet the Wind-Borne Debris Region requirement while operating smoothly in St. Pete’s humidity. Expect to pay $900-$1,900 per opening for a compliant, installed double-hung in St. Petersburg, depending on size and finish.

Casement Windows
Casement windows seal tighter than any other operable unit, which matters in St. Petersburg where wind-driven rain comes sideways off the bay. The crank mechanism and multi-point locking hardware resist air infiltration better than a sliding sash. On the barrier-island streets and in neighborhoods like Snell Isle where wind exposure is constant, casements are often the best choice. A quality impact-rated casement in St. Petersburg runs $1,100-$2,200 per opening installed. We quote manufacturer lines side by side on paper so you see exactly what you are buying.

Fixed & Picture Windows
St. Petersburg’s older homes often have large fixed sashes that face the water or the street. Those are the windows most likely to fail first under wind pressure and salt exposure because the glass area is so large. We install fixed and picture windows with laminated impact glass that carries a Florida Product Approval. Large fixed units in St. Petersburg typically run $1,200-$3,000 per opening depending on square footage and glass package. We also replace fogged dual-pane units in frames that are still structurally sound, which saves the homeowner thousands over a full replacement.

Awning Windows
Awning windows hinge at the top and open outward, which makes them ideal for St. Petersburg’s afternoon squalls. They can stay open during light rain without letting water in, and their seal compression is excellent when closed. We install awning windows most often in bathrooms and kitchens in older St. Pete homes where wall space is tight. A compliant impact-rated awning in St. Petersburg runs $800-$1,600 per opening installed. Salt-resistant hardware is standard on the lines we carry.

What happens when you call
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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 St. Petersburg
TruePane is an authorized installer for more than a dozen manufacturer lines including Andersen, Pella, Marvin, Milgard, PGT, and CGI. For St. Petersburg specifically, we stock and install ViewLux impact-rated sashes because their custom sizing works for the non-standard openings we see constantly in Historic Kenwood and Old Northeast. ECO Window Systems also fills a niche here for mid-century block homes needing a clean, affordable impact package. ES Windows rounds out the high-end offering for homeowners on waterfront streets who want aluminum frames engineered for salt exposure. When we quote your St. Petersburg job, we put the manufacturer lines side by side on paper with actual prices and actual lead times.
Common Window Installation Problems We See in St. Petersburg Homes
- Salt-air corrosion on aluminum frames and hardware. St. Petersburg sits on a narrow peninsula nearly encircled by Tampa Bay, Boca Ciega Bay, and the Gulf of Mexico. That means every home in the city, not just beachfront properties, gets a steady diet of salt-laden air. Aluminum window frames installed 10-15 years ago often have sash locks that crumble when you touch them and sill pans that have rotted through behind the trim. The window looks intact from the inside. The structure underneath is gone.
- Non-impact glass installed by contractors who skipped the Florida Product Approval. A visual check does not catch this. The window goes in, looks fine, and then the required wind-mitigation inspection fails because the product has no FPA number. The homeowner is stuck with a window that cannot satisfy their insurance carrier and often must be pulled and replaced. We see this in St. Petersburg more than any other failure mode right now.
- Mismeasured rough openings in pre-1960 homes. Historic Kenwood and Old Northeast are full of 1920s-1940s Craftsman bungalows built to dimensions that predate standardized window sizing by decades. An installer unfamiliar with these neighborhoods orders a stock unit, shows up, and discovers the jamb width is off by one to three inches. The job stalls for weeks waiting on custom sashes. Local crews know to measure jamb-by-jamb on the first visit.
- Fogged dual-pane seals from St. Pete’s humidity cycle. The daily swing between afternoon heat and evening marine air stresses failed seals. A fogged seal is not just cosmetic. It means the insulating gas has escaped and the window’s thermal performance is gone. In St. Petersburg, where air conditioning runs nine months a year, that translates directly into higher electric bills.
Pricing for Window Installation in St. Petersburg, FL
Window installation pricing in St. Petersburg depends on three things: the window type, the opening size, and whether the existing frame is salvageable. A standard impact-rated single-hung in a 1950s block home typically runs $900-$1,900 per opening installed. Casements run $1,100-$2,200. Fixed and picture windows run $1,200-$3,000 depending on glass area. Custom-sized sashes for Historic Kenwood or Old Northeast bungalows add 15-30% over stock pricing because the units are cut to order. We quote line by line, in writing, before any work begins. No change orders. No surprise line items on the bill. Call (813) 320-9346 and we will measure your openings and give you a hard number.
We Also Serve Cities Near St. Petersburg
Our crews install windows throughout the St. Petersburg metro, including Acacia Villas, Alafaya, Altamonte Springs, and Altoona. If you are in one of those communities, the same pricing and the same warranty apply. We schedule work around St. Pete traffic and bridge closures, not through them, so we arrive when we say we will.
Serving St. Petersburg, FL - Our Local Coverage Area
We’re based in the St. Petersburg 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 Installation in St. Petersburg
St. Petersburg falls within Florida’s Wind-Borne Debris Region under the Florida Building Code. Every new and replacement window and door product must meet impact-resistance standards or be protected by an approved shutter system. That means the window itself must carry a Florida Product Approval number confirming it passed missile-impact and cyclic-pressure testing. A compliant install includes that documentation from the manufacturer, not just a verbal assurance from the installer. Call (813) 320-9346 and we will show you the approval paperwork before you sign anything.
Yes, in most cases. St. Pete homeowners are replacing original jalousie and aluminum single-hungs primarily to qualify for coverage or avoid punishing surcharges. A wind-mitigation inspection that documents Florida Product Approved impact windows typically results in meaningful premium credits. The key is that the work must be documented correctly: FPA numbers, installation photos, and a passed inspection. We provide that documentation as part of every compliant install.
The 1920s-1940s Craftsman bungalows in Historic Kenwood and Old Northeast were built to non-standard rough opening dimensions. Off-the-shelf impact units simply do not fit. The jambs are often off by one to three inches from any stock size. That forces custom-sized sashes, which take longer to order and cost more. Installers unfamiliar with St. Pete’s older grid neighborhoods routinely mis-measure and have to re-order. We measure every jamb individually on the first visit so the first order is the right order.
Significantly faster. St. Petersburg sits on a narrow peninsula nearly encircled by Tampa Bay, Boca Ciega Bay, and the Gulf of Mexico, while Tampa is separated from the Gulf by a wider landmass. The salt-laden air penetrates every neighborhood in St. Pete, not just coastal streets. Aluminum frames often become structurally compromised within 10-15 years of installation. We replace failed hardware and re-flash openings with butyl tape designed for marine environments, which extends the life of the new unit considerably.
A compliant quote includes the Florida Product Approval number for every window, the manufacturer’s written warranty registration for both warranty layers, the permit fees, the inspection scheduling, and documentation of the wind-mitigation results for your insurance carrier. A cheap quote typically leaves out the permit, the inspection, and the warranty registration, which means the work cannot pass a wind-mitigation review and your insurance credit never materializes. Call (813) 320-9346 and we will walk you through a written quote line by line so you see exactly what you are paying for.
Ready to get windows done right in St. Petersburg? Call (813) 320-9346 for a free estimate. We will measure your openings, show you manufacturer lines side by side on paper, and give you a written number with no fine print. A live person answers, any hour, any day.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving St. Petersburg with the Keystone Standard on every install.
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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