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ECO Window Systems Construction in Sunnyvale, TX | Bradford Remodeling Co Dallas
We provide independent ECO Window Systems construction and repair across Sunnyvale, Texas, and the one thing that separates our work here is that we plan for what the local ground does to window frames. Sunnyvale’s clay soil moves, and it moves enough to pull a well-built ECO unit out of square. That’s the problem we solve every week for homeowners in this town. If your ECO windows or patio doors are binding, fogging, or refusing to lock, call Bradford Remodeling Co Dallas at (903) 326-8963 and we’ll give you a straight number, real scope, no surprises on delivery day.
Why Sunnyvale Residents Choose Us for ECO Window Systems Service

We work on ECO Window Systems units in the exact conditions that stress them most: Sunnyvale’s heavy clay soils, wide temperature swings, and hail-prone North Texas weather. Our crews have serviced ECO units across DFW’s newer subdivisions and estate builds, so we know which frame and seal failures repeat in this specific market, and we know how to fix them without a manufacturer rep on site. There’s no waiting on a phone tree to get a window pulled, measured, and re-squared.
Curtis Lane, who runs Bradford Remodeling Co Dallas as a General Contractor - Sunnyvale specialist, picked up his first framing hammer in a residential carpentry program at Los Angeles Trade-Technical College and has spent the better part of two decades running crews across Dallas. He’s been in enough 1990s-era Sunnyvale custom builds to know that the only surprise a remodel should have is how smooth it went. That’s why every ECO Window Systems job we touch gets a written price before any work starts, and every completed installation carries the 365-Day Done Right Promise: if the work fails inside the first year, we come back and correct it at no charge.
We’re an independent ECO Window Systems service provider. Not manufacturer-affiliated, not factory-authorized. That matters because we source parts in your interest, not a brand rep’s. Full details are on our ECO Window Systems sales & service page.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Solve in Sunnyvale
Here’s what actually shows up on ECO units in Sunnyvale, tied to what makes this town different:
- Sash corner weld separation and bowing on wide ECO 70 double-hungs. Sunnyvale sits on expansive clay that heaves in wet springs and shrinks through dry summers. When the slab under one side of a window settles even a quarter inch, a wide ECO 70 sash starts to bow at the weld. We see it on west-facing estate windows first. The fix is re-squaring the opening and replacing the sash balance system before it gets worse.
- Seal failure and fogging between panes on ECO 80 casements. Sunnyvale’s oversized estate homes often put big casement units on west-facing walls that take direct afternoon sun for six months a year. Thermal cycling kills edge seals on those ECO 80 units faster than shaded windows. Once fog shows between the panes, the glass package needs replacement, not a wipe-down.
- Roller wear and track misalignment on ECO sliding patio doors. Homes near Lake Ray Hubbard get a steady diet of wind-blown grit and fine sediment, and that grit chews through rollers on ECO patio doors faster than anywhere else in Sunnyvale. You’ll hear a grinding sound before the door starts jumping the track. New OEM rollers and a track re-alignment usually bring it back to a two-finger slide.
- Bent or stripped locking hardware on ECO 70 single-hungs. North Texas hail impacts and the occasional forced-entry attempt leave single-hung locks bent, cracked, or stripped. We replace the lock sets and re-tap the frame holes rather than condemning the whole window.
- Abandoned-well soil moisture pulling frames out of square. Sunnyvale’s transition from well water to municipal supply left many pre-1990 homes with shallow or poorly abandoned wells near foundation lines. Those wells create localized soil moisture differences that pull window frames out of square on one side of a house. More on that below, because it changes how we order replacements.
ECO Window Systems Service in Sunnyvale: What Local Conditions Mean for Your Equipment

Here’s the thing nobody tells you about Sunnyvale until they’ve done enough window work here: abandoned wells are the invisible variable. The town’s shift from well water to municipal supply left a lot of pre-1990 properties with shallow wells that were never properly decommissioned. They sit near foundation lines, sometimes just a few feet from a corner, and they hold moisture differently than the surrounding soil. That one corner of your slab stays wetter, swells more, and pushes upward.
Our tech pulled an ECO 70 double-hung from a 1990s custom home on Long Creek Road that had a 3/8-inch sag on the north jamb, matching a decommissioned well only nine feet from that corner. We shimmed the frame, replaced two bent sash balances, and installed new weatherstripping, then re-squared the opening before setting a new ECO 70 unit – no more binding or air leakage. A contractor from outside Sunnyvale doing Sunnyvale Kitchen Remodeling or window work would have ordered a new window, slapped it in the same racked opening, and left you with the same problem six months later. That’s the difference local knowledge makes.
Before we order any ECO replacement in Sunnyvale, we check the corners and the wells. If your home had a well converted at any point, see our full breakdown under Sunnyvale service area.
ECO Window Systems Models & Products We Service in Sunnyvale
We service the full ECO Window Systems lineup that shows up in Sunnyvale homes: the ECO 70 Series single-hung and double-hung units you’ll see throughout the town’s 1980s and 1990s builds, the ECO 80 Series casements and awnings on newer custom estates, the ECO 90 Series picture and bay/bow units that dominate street-facing walls, and ECO Patio Doors in both sliding and French configurations.
On parts, we source OEM ECO Window Systems components first because they match the profile and the warranty-adjacent fit. But when a seal or roller is discontinued or backordered, we use proven aftermarket parts matched to the exact extrusion. If a sash or frame member is compromised beyond a reliable seal – common after severe hail or foundation shift – we’ll say so plainly and tell you when full window replacement beats repeated repairs. We stock the common ECO seals, balances, and rollers locally so Sunnyvale turnaround stays short.
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AfterECO Window Systems Service Pricing in Sunnyvale

Here’s what ECO Window Systems construction work runs in the Dallas market, in real numbers:
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition | $45,000 – $130,000 |
What drives the number: window count, unit size, whether framing needs to be re-squared, and which ECO series you’re putting in. Sunnyvale’s oversized estate openings tend toward the higher end because the window packages are simply bigger. Every estimate is a written, line-item price before any work starts, with no numbers that move at the door. Call (903) 326-8963 and we’ll measure your openings, check your corners, and put a real figure on what it takes.
Serving Sunnyvale, TX - Our Local Coverage Area
We’re based in the Sunnyvale 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 – ECO Window Systems Construction in Sunnyvale
ECO frames hold up as well as any vinyl unit, but no window survives a racked opening. Sunnyvale’s expansive clay heaves and shrinks seasonally, and when the slab moves under one side of an opening, the frame twists with it. That leads to sash bind, weld separation on wide ECO 70 double-hungs, and lost weatherseal. The fix is shimming and re-squaring the rough opening before setting the replacement, not just swapping glass. If your window is binding in Sunnyvale, call (903) 326-8963 and we’ll check the corners before we quote.
Yes, in most cases a sash replacement beats a full unit replacement. We source OEM ECO sashes and balances for the 70, 80, and 90 series still in circulation around Sunnyvale. If the frame itself is cracked, bowed, or drilled with stripped hardware, that’s when full window replacement makes more sense than repeated sash work. We’ll tell you which way to go, with a written number for both options.
Yes, ECO impact-rated units are built to Miami-Dade and coastal wind standards, which exceeds what Sunnyvale’s exposure near Lake Ray Hubbard requires. For homes on the northeast edge of town, where open water increases wind gusts during squall lines, impact-rated ECO 80 and ECO 90 units are the right call. Impact Window Installation runs $8,000 – $25,000 depending on the package. Call (903) 326-8963 for a takeoff on your exact openings.
Fog between the panes means the insulated glass unit’s edge seal has failed. The glass looks intact because the failure is at the perimeter seal, not the surface. In Sunnyvale, west-facing ECO 80 casements on estate homes take the worst of the afternoon thermal cycling, and those edge seals fail faster than shaded windows. We replace the glass package. It’s not a wipe-down problem.
Yes, and this is one of our regular jobs. We coordinate ECO window installation with kitchen remodel schedules so windows go in before cabinets and counters land, or we protect finished surfaces with hard covers and dust barriers when the sequencing demands it. Every job gets a written scope and a clean site at close, documented and signed. Call (903) 326-8963 to schedule around your remodel.
Service Areas Near Sunnyvale
Beyond Sunnyvale, we run ECO Window Systems service across the eastern half of Dallas County. Neighboring coverage includes ECO Window Systems service in Dallas, plus Garland, Mesquite, and Rowlett. If you’re on the Lake Ray Hubbard side of Sunnyvale or toward the Dallas line, see our ECO Window Systems service in Garland page for that side of the map.
Book Your ECO Window Systems Service in Sunnyvale Today
If your ECO windows are binding, fogging, or fighting you at the lock, we’ll send a background-checked, uniformed tech to your Sunnyvale home with the right parts and a written price before anything comes apart. A live person answers the phone 24/7. Call (903) 326-8963 to schedule your free estimate.
Written by Curtis Lane, Owner at Bradford Remodeling Co Dallas, serving Sunnyvale since 2004.











