Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
ECO Window Systems Construction in Van Nuys, CA | Rowan Construction Group Sherman Oaks
We provide independent ECO Window Systems service across Van Nuys, not as an authorized dealer but as a construction firm that diagnoses whether your window needs a sash replacement, full unit swap, or envelope repair first. The one thing that makes our ECO work here different: we’ve sequenced hundreds of window replacements around Van Nuys’s active soft-story retrofit pipeline, where seismic permits routinely expose unpermitted additions that change the scope mid-project. Call (213) 221-0788 to schedule your free estimate.
Why Van Nuys Residents Choose Us for ECO Window Systems Service
We’ve installed and serviced ECO Window Systems products across the San Fernando Valley since 2007, with a concentration of work in Van Nuys’s two dominant housing types: post-WWII stucco ranches and 1960s-70s tuck-under apartment buildings that often tie into our Kitchen Remodeling in Van Nuys projects. That repetition matters. When our crew opens a wall in a 1954 ranch near Victory Boulevard, we already know the rough opening was likely framed with green lumber that has settled unevenly, and we plan the flashing detail before we remove the first piece of trim.
Grant Rowan grew up in Los Angeles and learned to read structural drawings at Los Angeles Valley College in Valley Glen before he ever led a paid crew. He still walks sites personally, and he’ll tell you he can feel a subfloor that’s not sitting right before he sees it. Our technicians are background-checked and uniformed; a live person answers calls 24/7; and every visit produces a documented photo record that’s yours to keep, not an upgrade we sell separately.
Because we’re independent of ECO Window Systems, we source OEM sash, roller, balance, and gasket kits when available, and specify dimensionally matched aftermarket insulated glass units when OEM lead times would stall your project. The envelope condition drives our recommendation, not the brand name. Under Clause 1 of the Haven Standard, you get a written price before any work starts, every time.
Common ECO Window Systems Construction Problems We Solve in Van Nuys

- Thermal-cycling frame movement on stucco ranches. Van Nuys hits 100°F-plus regularly in summer while dropping into the 50s at night. That swing causes ECO vinyl frames to expand and contract against stucco returns, cracking perimeter seals and letting fine Valley dust intrude at miter joints. We see this most on south- and west-facing units in neighborhoods like Lake Balboa and the blocks off Vanowen.
- Failed rollers and corroded tracks in tuck-under apartments. The 1960s-70s buildings along Van Nuys Boulevard and Sepulveda weren’t built for modern slider duty cycles. Early ECO retrofit units in these properties develop flat-spotted rollers and track corrosion from heat and dust, not coastal salt. The glazing gaskets harden and the weep systems clog with debris that blows across the Valley floor.
- Dual-pane seal failure and interior fogging. The San Fernando Valley’s intense solar load bakes the edge seal on south- and west-facing ECO insulated glass units. Desiccant saturation typically shows up as visible condensation within 8-12 years on unshaded exposures, and Van Nuys has more of those unshaded exposures than the coastal basin.
- Weep-hole clogging misdiagnosed as roof leaks. Windblown debris, ash, and dust settle across the Valley and pack into ECO weep channels. Water backs into the rough sill and stains interior drywall. We’ve had Van Nuys homeowners call for roof repair when the problem was a $12 weep-hole cleaning and track flush.
- Stucco integration failure after Northridge-era deferred repairs. Many Van Nuys ranches still carry patchwork stucco from 1994 earthquake repairs that were never properly flashed. When we remove an ECO retrofit window, we frequently find the original paper barrier compromised and the sill plate exposed to decades of moisture.
Before
AfterECO Window Systems Service in Van Nuys: What Local Conditions Mean for Your Equipment
Van Nuys sits in the direct damage corridor of the 1994 Northridge earthquake and holds one of the San Fernando Valley’s densest concentrations of soft-story tuck-under apartment buildings. Los Angeles’s mandatory retrofit ordinance, Ordinance 183893, has put thousands of these properties on a compliance timeline that no neighboring city shares, not Burbank, not Glendale, not even Sherman Oaks in the same council district. For our ECO Window Systems work, this means window replacement on tuck-under apartments is routinely sequenced around active seismic retrofit permits, and the LADBS inspections that follow frequently expose unpermitted rear additions and garage conversions from the decades after Northridge-issues we also address through our Bathroom Remodeling in Van Nuys. The rough framing for those additions often penetrates the same wall planes where replacement windows must go, so a standard sash swap becomes a full rough-opening rebuild once the inspector flags it. We’ve re-priced mid-project more than once when a permit pull revealed a 1980s garage conversion that the current owner didn’t know existed. That sequencing reality, specific to Van Nuys’s retrofit pipeline, is why we build contingency language into every tuck-under estimate and why we pull permits ourselves rather than leaving it to the owner.
ECO Window Systems Models & Products We Service in Van Nuys

We work with the full ECO Window Systems residential and light-commercial catalog, including the Vinylmax Series sliding and single-hung windows that dominate Van Nuys ranches; the thermal-break aluminum series often specified for multifamily tuck-under replacements; the dual-pane vinyl retrofit line common on 1950s-60s stucco exteriors; and the patio door and multi-slide units used in apartment common areas and converted garage units.
Our ECO Window Systems sales & service operation stocks OEM-spec rollers, balances, and gasket kits for faster turnaround on Van Nuys jobs, and we maintain relationships with regional IGU fabricators for aftermarket sealed units when OEM glass lead times stretch past retrofit inspection deadlines. Measure twice, write it down, then build it.
ECO Window Systems Service Pricing in Van Nuys
Our Van Nuys pricing follows the same flat-quote discipline we apply across all seven trades: a written price with a written scope before any work starts, no exceptions.
| Service | Price Range in Van Nuys |
|---|---|
| Window Replacement | $4,500-$15,000 |
| Impact Window Installation | $8,000-$25,000 |
| Roof Repair | $400-$1,800 |
What drives the number: unit count, frame condition, whether the rough opening needs re-framing, and whether the job is sequenced around an active soft-story retrofit permit with LADBS inspection requirements. A free estimate includes full frame inspection, photo documentation of the rough opening condition, and a written scope with line-item pricing. Call (213) 221-0788 for your exact quote.
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
No, the retrofit ordinance does not mandate window replacement. However, if your ECO units show failed seals, corroded hardware, or improper flashing at the stucco return, the seismic inspector may flag those penetrations as water-intrusion risks that compromise the retrofitted shear walls. We assess whether repair or replacement clears the inspection with the least scope creep. Call (213) 221-0788 to schedule a free evaluation.
The insulated glass unit’s edge seal has failed, and the desiccant inside is saturated. Summer’s 100°F-plus days expand the air gap and drive moisture against the cooler interior pane, where it condenses. Winter’s smaller temperature differential hides the problem. The Valley’s solar intensity accelerates this failure mode compared to coastal climates. We replace the IGU with an aftermarket sealed unit or full sash depending on frame condition. Call (213) 221-0788 for an exact quote.
Often yes, if the existing stucco return is sound and the paper barrier behind it is intact. We cut a controlled perimeter, remove the old unit, install the replacement with integrated nailing fins and proper sill pan flashing, then patch the stucco return with color-matched material. If the 1994-era repair patch or original paper is compromised, we disclose that before work starts and price the full opening rebuild separately. No signed change order, no added work.
Yes, specifically the edge seals on dual-pane units and the glazing gaskets on south-facing sliders. The Valley’s 10-15°F excess over coastal temperatures, combined with thermal cycling between day and night, stresses materials designed for a milder climate profile. We specify higher-grade silicone gaskets and recommend exterior shading where structurally feasible. Independent of ECO’s specifications, our labor warranty covers installation and flashing for one year.
ECO Window Systems provides limited product warranties that transfer with the unit, not the installer. As an independent service provider, not a manufacturer-authorized dealer, we do not represent ECO’s warranty terms. Our 365-Day Done Right Promise covers our labor, installation, and flashing work, backed by The Haven Standard terms page, not an asterisk. For product-specific warranty questions, we direct you to ECO directly. For installation quality and envelope performance, we stand behind our own documented record.
Service Areas Near Van Nuys

Our Van Nuys service area covers the full neighborhood from the Sepulveda Basin to the Van Nuys Airport corridor, with regular work in the residential streets off Victory and Vanowen. We also handle ECO Window Systems service in Encino along Ventura Boulevard’s condo and single-family mix, and ECO Window Systems service in Sherman Oaks near the Galleria corridor and the hillside streets below Mulholland. Nearby coverage includes Studio City, North Hollywood, and Beverly Hills for select projects.
Book Your ECO Window Systems Service in Van Nuys Today
Call (213) 221-0788 to schedule your free estimate. We’ll inspect your ECO Window Systems units, document the frame and rough opening condition with photos you keep, and deliver a written flat price before any work starts. Same-day scheduling is often available for urgent seal failures and pre-retrofit inspection prep.
Written by Grant Rowan, Owner at Rowan Construction Group, serving Van Nuys since 2007.







Before
After
Before
After
Before
After