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ECO Window Systems Construction in Van Nuys, CA | Mason Remodeling Co Los Angeles
We’re Mason Remodeling Co Los Angeles, and we handle ECO Window Systems window replacement and construction across Van Nuys every week, from 1950s ranchers on Vanowen to the minimal traditionals north of Victory. The quick answer: an ECO window in Van Nuys lives a harder life than the same unit in Sherman Oaks or Studio City, mostly because of post-war slab movement and Santa Ana dust. That’s not a line, it’s what we see on the job. If you’ve got an ECO window sticking, leaking, or dropping a sash, call (213) 632-5711 and we’ll send a tech who actually knows this brand.
We’re an independent ECO Window Systems service provider. We’re not manufacturer-affiliated, not authorized, and we don’t pretend to be. What we are is a construction crew that has retrofitted these windows into more Van Nuys homes than we can count, which means we know how they fail here, how to fix them, and when a replacement makes more sense than another repair. For a full picture of how we work with this line, see our ECO Window Systems sales & service page.
Why Van Nuys Residents Choose Us for ECO Window Systems Service

Most window companies can install a window. Very few can tell you why your ECO 3000 Series double-hung won’t stay open in a 1958 rancher on a sandy-loam slab. That’s the difference. Isaac Pruett, who runs our shop, grew up in the San Fernando Valley and has spent two decades working residential construction across Los Angeles County. He trained in construction technology at Los Angeles Trade-Technical College downtown, and he still eyeballs a level line before he’s finished his morning coffee.
Our crews work on ECO Window Systems installations and replacements across Van Nuys every month, retrofitting them into 1950s ranchers, matching stucco reveals, and dealing with post-war framing quirks that generic window companies miss. That hands-on, brand-specific field time across hundreds of local jobs is what makes our construction team the independent ECO service experts for this market. We keep our Van Nuys service area tight so our techs are never more than a short drive from your block.
What that means for you is simple: someone walks up to your door who has already worked on a dozen homes like yours within a mile of your address. They know which balance spring your ECO 2000 takes, and they know what a failing post-tension slab does to a window opening. Know who’s coming, know what it costs, know it’s guaranteed, everything else is just noise.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Solve in Van Nuys
Here’s what actually goes wrong with ECO windows in this part of the Valley, based on what we see in the field:
- Sun-baked vinyl sashes on ECO 2000 Series windows. Van Nuys summers push daytime temperatures past 100°F, and the south-facing stucco walls on these 1950s ranchers absorb a lot of it. The vinyl in ECO 2000 sashes expands and warps, which makes windows stick in the frame and breaks the weather seal. We replace warped sashes with OEM ECO components and re-shim the frame so the opening is true again.
- ECO 3000 Series double-hung balances that lose tension. The dry heat of the Valley and the cool of winter nights cause repeated expansion and contraction cycles. Over a few seasons, those cycles wear out the balance tension on ECO 3000 double-hungs. The result: you lift the sash and it slides right back down. We keep OEM replacement balances in our Van Nuys yard for same-day fixes.
- Clogged weep holes on ECO 4000 and 5000 Series frames. Santa Ana winds strip sandy loam dust from every yard and push it into frame channels. Weep holes clog. Then winter rain arrives, water pools inside the frame track, and you get rot and corrosion. After a heavy Santa Ana season, we tell Van Nuys homeowners to check their ECO window weep holes for dust crust. If water’s been pooling, call us before the frame becomes a bigger problem.
- Improperly shimmed ECO windows shifting on expansive soil. Van Nuys sits on sandy loam that swells and contracts with moisture. If a previous contractor shimmed your ECO windows tight to the rough opening like they were in a modern tract home, the window shifts when the slab moves. You see cracked drywall at the corners and feel drafts through what should be a sealed unit. We reset openings with steel shims and flexible flashing so the window can move without failing.
- Roller failure on ECO patio door systems. The combination of grit, dust, and temperature swings eats patio door rollers here faster than almost anywhere else in LA. We stock ECO-compatible replacement rollers in common sizes and can usually swap them out on one visit.
ECO Window Systems Service in Van Nuys: What Local Conditions Mean for Your Equipment

Drive down Vanowen Street and you’ll see block after block of near-identical 1950s ranchers. What you don’t see is what’s underneath: many of those slabs have failing post-tension cables, which means the concrete doesn’t just settle, it moves. A quarter inch of slab shift over six decades is common, and that quarter inch twists window rough openings out of square. A new ECO window installed tight and square in a neighboring city like North Hollywood will fit fine. The same window in a Van Nuys post-tension slab home needs shimming, flexible flashing, and a careful reveal so the frame can absorb movement without cracking stucco or breaking the seal.
That’s not the generic advice you’ll get from a window company that works the whole county. It’s the specific advice you need if you own a 1950s rancher between Vanowen and Victory. Add the semi-arid heat that bakes south-facing frames and the Santa Ana dust that clogs every channel, and you’ve got a set of conditions that demand a construction team who has worked on Van Nuys homes specifically.
ECO Window Systems Models & Products We Service in Van Nuys
We service the full ECO Window Systems residential line: the ECO 2000 Series vinyl windows, the ECO 3000 Series double-hungs, the ECO 4000 Series casements and picture windows, and the ECO 5000 Series sliders and patio doors. On the parts side, we use OEM ECO components whenever they’re available: balances, sash locks, weatherstripping, and replacement glass panels. We keep a stock of common ECO series parts in our Van Nuys yard for same-day turnaround on most repairs.
For older discontinued ECO models that the manufacturer no longer supports, we use proven aftermarket parts with identical dimensions and stronger UV resistance than the originals. And we’re straight with you when a full sash or frame replacement makes more sense than patching a 30-year-old unit. That honesty matters, especially when someone else has already sold you a repair that didn’t hold.
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AfterECO Window Systems Service Pricing in Van Nuys

Here’s what ECO window work typically costs in Van Nuys, based on recent jobs:
| Service | Typical Van Nuys Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair (window-related flashing) | $400 – $1,800 |
The range depends on how many units you’re replacing, which ECO series you have, whether the rough opening needs slab-related shimming, and what condition the surrounding stucco is in. A free estimate from us includes a written line-item price before any work starts, no exceptions. Call (213) 632-5711 and we’ll come out, measure, and hand you a number on paper. You decide from there.
Serving Van Nuys, CA - Our Local Coverage Area
We’re based in the Van Nuys 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 Van Nuys
Most 1990s ECO windows are still repairable, especially if the frame is sound. Balances, locks, weatherstripping, and rollers are replaceable parts. The deciding factor in Van Nuys is usually frame condition: if the weep holes have been clogged for years and the vinyl frame has rotted or cracked, replacement is cheaper than chasing repairs. We’ll tell you which side of that line your window is on before you spend a dime. Call (213) 632-5711 for an honest assessment, it’s free.
Yes. Post-tension slab homes here move slightly over time, and a tight, square installation from a neighboring city’s playbook will crack stucco and break the window seal within a few years. We use steel shims, flexible flashing, and a wider reveal to let the frame absorb slab movement without failing. If you’re on a Van Nuys slab home, this is the most important installation detail to get right, and it’s exactly what we do differently.
Grit and dust from Santa Ana winds work their way into the roller tracks, and the fine sandy loam from Van Nuys yards is hard on bearings. Add the temperature swings and rollers wear out faster here than in coastal neighborhoods. We install sealed-bearing ECO-compatible rollers that resist dust ingress and last noticeably longer. If you’re replacing rollers every year, you’ve got the wrong hardware in there, and we can fix that in one visit.
Yes. We match the series, frame profile, and grid pattern of your existing ECO windows. In most Van Nuys homes that means ECO 3000 double-hungs or ECO 2000 vinyl sliders with the same stucco reveal. If the exact model is discontinued, we’ll walk you through the closest current ECO equivalent or an aftermarket option that matches visually. No mismatched franken-windows on your front elevation. Call (213) 632-5711 for a free estimate and we’ll quote the exact match.
That’s the question to ask on a 1950s Van Nuys rancher. The way to tell: if water appears during or right after rain and the window feels loose in the opening, it’s usually the stucco-to-frame joint, not the window. If water pools in the track and drips inside even after the rain stops, look at the weep holes and the frame corners. We diagnose this in about ten minutes with a moisture meter and a close look at the flashing. Call (213) 632-5711 and we’ll come find the actual source, not sell you a window you don’t need.
Service Areas Near Van Nuys
Our technicians work throughout the San Fernando Valley and central LA. If you’re in a neighboring community and need ECO Window Systems expertise, we also serve ECO Window Systems service in Beverly Hills, ECO Window Systems service in Los Angeles, Sherman Oaks, Studio City, Panorama City, and North Hills.
Book Your ECO Window Systems Service in Van Nuys Today
If your ECO windows are sticking, dropping, leaking, or just showing their age after decades in the Van Nuys heat, call (213) 632-5711. We’ll schedule a free estimate, send a tech with a name and a face, and hand you a written price before any work begins. Simple as that.
Written by Isaac Pruett, Owner at Mason Remodeling Co Los Angeles, serving Van Nuys since 2004.











