







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why Austin Homeowners Choose ECO Window Systems Construction
We provide Eco Window Systems repair in Austin, TX, including construction and replacement service with a focus on the 5000, 6000, and 7000 series frames that make up a large share of central Texas window inventory. Our crews see the same failure patterns repeat across Austin neighborhoods every year: UV-brittle weatherstripping on south-facing walls, pivot shoes crumbling inside double-hung sashes, and butyl corner seals failing on casement frames after eight to twelve years of Texas sun. The difference with Penhallow Remodeling Austin is that we write the price down before any work starts, back it with a 365-day guarantee, and we actually answer the phone when you call about a whistling window during a north wind. Reach us at (325) 225-5429 for a free estimate.

We are an independent ECO Window Systems service provider. We are not affiliated with or authorized by ECO Window Systems, and we think that matters. It means we answer to you, not to a manufacturer’s warranty department, and we will tell you when a repair beats a replacement instead of pushing a new window sale.
Why Trust Penhallow Remodeling Austin for Your ECO Window Systems Construction?

Trevor Nash, the owner of Penhallow Remodeling Austin, learned construction fundamentals at Los Angeles Trade-Technical College before spending years on foundation repairs and full kitchen rebuilds. He has been serving Austin homeowners for well over a decade, and our technicians see ECO frames every week, from Westlake limestone exteriors to East Austin pier-and-beam cottages. That hands-on pattern recognition matters when your ECO 5000 double-hung starts sagging or your ECO 7000 slider binds in its track. We know what is model-specific wear and what is a sign of Austin clay-soil movement underneath the house.
Every job follows the Kingswell Way, the standard established in 2004: say the price before the work. Show up in the window we gave. Leave the place cleaner than we found it. Your written quote names the parts we plan to install, and your written guarantee says what we will do if something fails inside a year. Our technicians are background-checked and arrive in uniform, and a real person answers the phone 24/7, not a voicemail prompt.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Fix in Austin
If the window was made by ECO, we have likely fixed the exact problem before. These are the five calls we get most often across Austin.
- Sash sag and drop on ECO 5000 Series double-hungs. The pivot shoes inside the side jambs are plastic, and after years of Austin heat cycling they crumble. The balance springs lose tension at the same time, and the sash starts dropping, leaning, or slamming down. Homeowners near South Congress call us about this every spring. Fixing it means replacing both pivot shoes and balances, not just one side, or the sash will twist and wear the new parts unevenly.
- UV-brittle weatherstripping on south-facing ECO 5000 and 6000 frames. Austin sun is relentless, and the vinyl bulb seals on south and west walls bake until they crack. Then the dust from cedar season, the pollen, and the humid Gulf air move straight into the house. We see this most often in Mueller and Circle C, where the homes have large unshaded southern exposures and the owners first notice the window whistling during a February north wind.
- Fogged glass on ECO 6000 Series casement and awning frames. The butyl corner seals that hold the insulated glass unit together degrade with heat and moisture cycles. Between eight and twelve years old, many ECO 6000 sashes develop internal condensation and fog you cannot wipe from either side. That is a failed seal, not a dirty window. The cure is a new insulated glass unit or a new sash, depending on what the frame condition supports.
- Racked frames and binding sliders on ECO 7000 Series horizontal sliders in pier-and-beam homes. East Austin’s older neighborhoods, Hyde Park, and parts of Travis Heights sit on 1920s-to-1940s pier-and-beam foundations. When the piers settle unevenly, the whole wall can shift a half-inch, and the ECO 7000 slider jams, the latch will not catch, and the sill gasket pulls away and leaks over the interior sill. This is half window problem, half foundation problem. We will tell you which half you are paying for.
- Lost compression in the sill interlock on ECO 5000 single-hungs. The vinyl sill interlocking rail on a single-hung is designed to compress when you close it. After years of hard closings and heat, the rail deforms and you get a visible daylight gap at the meeting rail. It is a simple fix with the right OEM or matched aftermarket seal, but it has to be the correct profile or the window will never close tight again.
ECO Window Systems Parts & Our Repair-vs-Replace Approach

We use OEM ECO vinyl corners, balances, locks, and weatherstripping whenever the parts are still available through our supply channels. For the discontinued 5000 and 6000 hardware, we install proven aftermarket pivot shoes, spiral balances, and bulb seals that meet or exceed the original performance. We do not use generic hardware store parts that a homeowner could buy from a bin. The aftermarket parts we stock locally for fast turnaround are tested equivalents matched to ECO sash weights and frame dimensions.
Our honest repair-vs-replace logic is simple. If the sash, balance, or seal is the only failed component, we replace that component first and save you thousands. If a frame is racked, the glass is fogged on multiple sashes, or the seals have failed throughout the whole unit, we will tell you when a full-frame swap beats repeated patch repairs. You get the line-item breakdown either way. Call (325) 225-5429 and we will walk you through it.
Our ECO Window Systems Service Process – Step by Step
- 1
Diagnosis. We inspect the specific frame, sash, and balance system on your ECO unit. We measure the sash drop, check the pivot shoe condition, and look for the racking that points to foundation movement underneath an Austin pier-and-beam home.
- 2
Written price. You get the repair or replacement price in writing before any work starts. The number on day one is the number on the invoice.
- 3
Repair or install. We install matched OEM or aftermarket parts, or we hang the new ECO unit to the manufacturer’s rough-opening tolerances, shimmed and sealed for Austin’s wind and rain loads. On a recent Brentwood original-owner home from 2011, our tech found both ECO 5000 double-hung sashes on the south wall dropping and whistling during north winds. The pivot shoes were crumbled, and the original balance springs had lost over forty percent tension. We installed aftermarket stainless pivot shoes with matched 35-lb spiral balances, replaced the cracked vinyl corner joints, and reset the sashes to a four-pane airtight close. No full window replacement needed.
- 4
Test and verify. We operate every repaired or replaced unit through full travel, check the locking latching, and confirm the weatherstripping seals evenly. If the house is on expansive Austin clay, we note any frame racking so you know what to watch for next season.
- 5
Written guarantee. Every repair and install carries our 365-day Done Right Promise. If it fails inside a year, we come back and make it right at no charge, and the return visit is free. No service call fee, no re-inspection fee.
See the difference
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AfterECO Window Systems Products We Service & Install in Austin
Our crews work on the ECO 5000 Series vinyl single-hung, ECO 5000 Series vinyl double-hung, ECO 6000 Series casement and awning, and ECO 7000 Series horizontal slider. We stock common balances, pivot shoes, locks, and bulb seals locally for fast turnaround on the 5000 and 6000 lines. We also handle full window replacement, window repair, and impact window installation across Austin and nearby areas like Eco Window Systems repair in Cedar Park, including the residential conversions common in older neighborhoods near Zilker and Allandale. If you have an ECO unit that did not age the way you hoped it would, we can tell you exactly what you are looking at and what it costs to fix, before you decide anything.
We Also Service These Brands
ECO is a big part of what we see in Austin, but it is not the only thing. The same crews handle window and General Contractor services alongside KraftMaid cabinetry, Cambria and Silestone countertops, and Kohler fixtures. That multi-brand experience gives us a wider view of what a repair should cost and how long it should last in a central Texas climate.
FAQs – ECO Window Systems Construction Service in Austin

That is almost always a failed pivot shoe and balance spring inside the side jamb. The plastic pivot shoes in the ECO 5000 double-hung break down under Austin heat, and once they go, the balance loses tension and the sash becomes heavy, drops, or slams. It is a repair, not a full replacement, and most ECO 5000 balance-and-shoe jobs run between $400 and $1,800 depending on how many sashes are affected. Call (325) 225-5429 for an exact quote from an independent Austin service provider, with the price in writing before you commit.
Fogged glass means the butyl corner seal on the insulated glass unit has failed and moisture got inside. You cannot clean it. The proper fix is replacing the glass unit or the entire sash. If the frame is still square and the hardware works, we replace only the failed sash, which costs far less than swapping the whole window. If the seals have failed on multiple sashes, a full ECO replacement may be the smarter money, and we will show you both prices. Window replacement in Austin typically runs $4,500 to $15,000 depending on the number of units and the series.
Often, yes. Austin’s expansive clay soils shift seasonally with drought and rain, and older pier-and-beam homes in East Austin, Hyde Park, and Eco Window Systems in Georgetown move enough to rack the window frame. The ECO 7000 slider binds in the track, the latch misses, and the sill gasket leaks. The repair depends on which half failed: if the rollers and track are worn, we fix the window. If the wall has shifted, we may recommend a foundation check before we hang a new unit. Either way, we tell you the truth and give you the price in writing before we touch anything.
Most of Austin is not in a coastal wind zone that requires impact glazing, so unless your home is in a specific storm-exposed area or your insurer requires it, the ECO 5000 series can serve fine with proper maintenance. Impact-rated ECO window installation in Austin runs $8,000 to $25,000 depending on the number of openings and the frame style. If you are unsure what your insurer or code requires, call us at (325) 225-5429 and we will help you sort it out without pushing a sale you do not need.
On south and west facing Austin walls, we typically see ECO vinyl weatherstripping and bulb seals start to crack and lose compression between five and eight years. Units in shade or on north walls can go a decade or longer. The sign is usually dust, pollen, or a whistle on windy days. Ignoring it means higher cooling bills through a gap that works like a small open vent. Replacing weatherstripping is one of the lower-cost repairs, typically toward the lower end of our $400 to $1,800 window repair range depending on how many sashes are involved.
No, and we will say that plainly. We are an independent ECO Window Systems service provider. That independence is the reason we can recommend a repair instead of a replacement when the repair is the right call, and why we can use proven aftermarket parts for discontinued hardware without a warranty department pressuring us to sell new units.
Most ECO repairs run $400 to $1,800 per unit. Full window replacement runs $4,500 to $15,000 depending on the number of windows and series. Impact-rated installation runs $8,000 to $25,000. These are the prices we write down before you agree to anything.
| Service | Typical Austin Price Range |
|---|---|
| ECO Window Repair (balance, pivot shoe, seal) | $400 to $1,800 |
| ECO Window Replacement (single unit to whole-home) | $4,500 to $15,000 |
| ECO Impact Window Installation | $8,000 to $25,000 |
Those ranges move based on how many sashes need work, whether the frame is racked, and which ECO series you have in the wall. We tell you exactly where your job falls, and we write it down first. Estimates are free.
Book Your ECO Window Systems Service in Austin, TX
Tell us what your ECO windows are doing, and we will give you a real number to fix them. Call (325) 225-5429 for a free estimate, a written price, and a written 365-day guarantee from a crew that shows up in a marked truck and cleans up before we leave.
Written by Trevor Nash, Owner at Penhallow Remodeling Austin, serving Austin homeowners with independent ECO Window Systems service for over a decade.


