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AfterCGI Energy-Efficient Windows in Miami Shores: What to Know First
CGI energy-efficient windows in Miami Shores typically cost $850 to $1,900 per opening installed, depending on the series and glass package, and most full-home replacements take us two to four days once the windows arrive. We’re an independent CGI service provider, which means we work on your windows without being tied to any manufacturer’s script. If you own a CGI home and the windows aren’t holding temperature, sealing out humidity, or blocking the South Florida sun like they should, call us at (727) 483-7883 and we’ll give you an honest read on what’s wrong and what it’ll take to make it right.
This page is for Miami Shores homeowners who already have CGI windows, or who are weighing CGI against other impact-rated brands, and want the real story on energy performance, repair costs, and when replacement actually makes sense. Ed Winslow has been working on CGI products in this neighborhood since long before energy codes got strict, and we’ve seen every way these windows age in our salt air and afternoon thunderstorms.
How CGI Products Fail - and How We Fix Them
- CGI Sentinel Series: seal failure at the sash corners. The Sentinel line shows up all over the 1950s and 1960s concrete-block homes west of Biscayne Boulevard. What we see most is the corner seals on the insulated glass units degrading after eight to twelve years, especially on west-facing walls that catch the brutal afternoon sun. When the argon leaks out and moisture creeps in, you’ll get fogging between the panes plus a sharp drop in the window’s R-value. Our fix is a full glass unit replacement with a Low-E coating matched to the original spec, and we re-bed the sash to keep it from happening again prematurely.
- CGI Estate Collection: worn weatherstripping that drains your A/C. These are the larger, heavier fixed and casement windows common in the newer builds near the bay side of Miami Shores. The factory weatherstripping is good for about a decade, but our humidity accelerates the breakdown. You’ll feel warm air bleeding in around the frame long before you see anything visually wrong. We replace the weatherstripping with aftermarket material that actually outperforms the OEM felt, and we shim and re-square the sash so the seals seat properly again.
- CGI Targa Series: slider tracks that fight you and leak air. Targa horizontal sliders are popular in mid-century Miami Shores ranches. The rollers wear flat, the track fills with sand and salt grit, and eventually the sash sags just enough to break the air seal along the meeting rail. That’s why you’re feeling a draft even with the window locked. We replace the rollers with stainless hardware, clean and re-lube the track, and adjust the interlock so the two sashes actually mate the way they did when the window was new.
- CGI Custom Architectural shapes: thermal bow in the frame. Fixed trapezoid and radius windows, the decorative ones over entry doors or stairwells, absorb heat unevenly because the glass is cut at weird angles. Over time the vinyl or aluminum frame bows slightly, and the seal between glass and frame separates. You’ll see condensation at the bottom tip of the triangle first. This one usually means a full replacement window because the bow is in the frame itself, not just the glass. We’ll tell you straight if repair is throwing good money after bad.
- OEM vs. aftermarket glass for CGI units. A lot of Miami Shores homeowners assume you have to go back to CGI for replacement glass or you void the warranty. That’s not always true. CGI’s warranty covers the frame and hardware for the most part, and using an independent glazier for the insulated glass unit doesn’t automatically kill it, provided the work meets the original performance spec. We source our Low-E and argon-filled units from the same South Florida fabricators the big companies use, and we’ll document everything so your warranty stays intact if it’s still active.
Our CGI Energy-Efficient Windows Process
- 1
Call and talk to a real person. You’ll reach a live human at (727) 483-7883, day or night. We’ll ask what you’re seeing, which rooms are hot or drafty, and whether you know the CGI series you have. If you don’t, we’ll figure it out on site.
- 2
Site inspection and energy audit. We come out, measure, check for air infiltration with a smoke pencil, and look at the condition of the glass, seals, tracks, and frames. We’ll also check for the obvious Miami Shores culprits: salt corrosion on the exterior hardware and UV breakdown of the interior glazing beads.
- 3
Straightforward diagnosis and a written quote. We’ll tell you what’s actually wrong, whether it’s repairable or if replacement makes more financial sense, and exactly what it’ll cost. No vague verbal ballparks. Our quotes are line-item and free.
- 4
Parts decision. For repairs, we’ll walk you through OEM versus quality aftermarket options, including price differences and how each affects your long-term performance. For replacements, we’ll spec the right CGI series and glass package for your home’s orientation and your actual energy goals.
- 5
Installation or repair, done carefully. We remove, re-bed, re-square, and seal with the same methodical approach we’ve used since 2011. Every opening gets checked for level and plumb before the window goes in, and every penetration gets re-flashed and sealed. We don’t caulk over problems.
- 6
Test and walkthrough. After the job, we run the window through a full open, close, lock, and tilt cycle. We check for air movement around the frame. Then we walk you through what we did and what to watch for. And we leave the site cleaner than we found it.
What CGI Energy-Efficient Windows Costs in Miami Shores
Here’s what you can expect to pay for common CGI work in Miami Shores, based on what we’ve quoted and completed in this market. These are real ranges, not national averages meant to sound good.
- Glass replacement on a single CGI Sentinel unit (fogged or failed seal): $320 to $580 per window, depending on size and glass package.
- Full-frame replacement with CGI Estate Collection, impact-rated, Low-E, installed: $1,100 to $1,750 per opening.
- Full-frame replacement with CGI Sentinel or Targa, installed: $850 to $1,400 per opening.
- Weatherstripping and roller overhaul on a Targa slider: $180 to $275 per window.
- Whole-house replacement on a typical 1,800-square-foot Miami Shores home (roughly 10 to 14 openings): $11,000 to $19,000, depending on series, glass package, and whether structural upgrades are required.
What moves the price: the size of the openings, the glass package you choose (basic Low-E argon versus laminated impact glass with extra UV blocking), the condition of the surrounding framing, and whether the window is on the first or second floor. If the sizes are custom, which many Miami Shores architectural windows are, the price goes up. Call (727) 483-7883 for a free estimate with a written, line-item quote before you commit to anything.
Why Miami Shores Homeowners Call Winslow Windows & Doors for CGI Work
Ed Winslow has been doing windows and doors in this neighborhood for the better part of three decades. He grew up a few blocks from Barry University, learned the building science side of things at Miami Dade College’s Wolfson Campus, and started Winslow Windows & Doors in 2011 because he got tired of watching neighbors get burned by fly-by-night crews. Ed’s name is on the door, and on every job we do.
We back every CGI job with our Done Right Promise: if it’s not done right, we make it right. That’s not a marketing line. It’s a guarantee with Ed’s name attached to it. And if your CGI window turns out to be beyond saving, we can offer honest alternatives from our other authorized brands, including PGT, CWS, ES Windows, and ECO Window Systems. Every tech who shows up at your door is background-checked and in uniform, and every call is answered by a live person. That might sound basic, but in Miami-Dade, it’s rarer than it should be. My name’s on it, so it’s going to be done right.
FAQs
Not automatically. CGI warranties primarily cover the frame, hardware, and manufacturing defects, and using an independent glazier for the insulated glass unit doesn’t void the warranty as long as the replacement meets the original performance specifications. We document everything, use certified South Florida glass fabricators, and can tell you before we start whether your specific warranty has any fine print worth worrying about. Call (727) 483-7883 and we’ll check your specific situation for free.
If the glass itself is fogged, hazy, or has visible condensation between the panes, the sealed unit has failed and the argon is gone. If the glass looks clear but you feel drafts or the room heats up unevenly, the problem is almost always the weatherstripping, the sash alignment, or the installation itself. We’ll diagnose it with a smoke pencil and thermal readings on site, for free, so you’re not guessing.
If the frame is structurally sound and you’re dealing with a failed glass unit or worn hardware, repair makes financial sense: you’re looking at a few hundred dollars versus well over a thousand per opening. But if the frame has bowed, the corners are separating, or water has been getting into the surrounding wall, repair is often lipstick on a problem. We’ll give you the honest recommendation either way, even if it means we do less work.
Glass units from our South Florida fabricators usually arrive in five to seven business days. Hardware like rollers and weatherstripping we keep in stock for common CGI series, so those repairs can often be done same-week. For full-frame replacements, lead time depends on the series and custom sizing, typically three to six weeks. Call (727) 483-7883 and we’ll give you a real timeline for your specific windows.
Yes, and the biggest factor is the Low-E coating and argon fill. A properly sealed, energy-rated CGI unit will cut direct solar heat gain through the glass by 40 to 60 percent compared to clear single-pane glass, which directly reduces how hard your A/C has to work in the summer. The catch is that a failed seal or worn weatherstripping erases most of that benefit. That’s why the diagnosis matters as much as the glass itself. Call us at (727) 483-7883 for a free energy audit on your existing windows, and we’ll tell you exactly where your house is losing cooling.
Written by Ed Winslow, Owner, Winslow Windows & Doors at Winslow Windows & Doors, serving Miami Shores and nearby areas.
Six Reasons Homeowners Choose Winslow 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.