







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
ECO Window Systems Construction in Ontario, CA | Penhallow Remodeling Riverside
We run independent ECO Window Systems service across Ontario, from the 1950s stucco homes south of the 10 to the newer townhome builds pushing north of the 210. The part most Ontario owners don’t see coming: those older ECO frames set into unreinforced masonry need a different retrofit approach than anything you’d use in Chino or Rancho Cucamonga. That’s where our crews earn their keep. If you’ve got fogged glass, a sagging sash, or a patio door that fights you after every Santa Ana, call (341) 895-1170 for a straight answer.
Why Ontario Residents Choose Us for ECO Window Systems Service

Trevor Nash leads our crew, and he picked up his first tool belt at Los Angeles Trade-Technical College before spending the better part of two decades working construction across the Inland Empire. When we show up to an Ontario home, we’re not guessing at what’s behind the stucco. We know these houses. We know the original galvanized plumbing, the slab foundations, and the way a 1970s ECO Classic aluminum single-hung behaves after forty summers of 100°F expansion and contraction.
We also know ECO Window Systems product lines from the inside out. That matters when a homeowner needs a spring balance replaced on a 400 Series double-hung, or a glazing bead re-seated on an 800 Series patio door. We source OEM ECO parts through local distributors when they’re available, and when a line’s been discontinued, we recommend aftermarket glass packs and reinforced nailing fins that actually outperform the originals. You get a written price before any tool comes off the truck. We do the work, we honor the 365-Day Done Right Promise in writing, and we leave the job site cleaner than we found it. That’s ECO Window Systems sales & service done the way it should be.
Styles & brands we work with






Common ECO Window Systems Construction Problems We Solve in Ontario
Ontario’s climate and housing stock create a specific set of ECO Window Systems failure patterns. Here’s what we see most often, and why it happens here:
- Fogging between panes in older ECO insulated glass units. Homes built in the 1970s and 80s across Ontario often still have their original windows, and hard water mineral deposits on those aluminum frames eat away at seals over time. When the desiccant inside the spacer bar saturates, you get permanent haze between the glass. We replace the insulated glass pack rather than the whole frame when the sash is still square.
- Warped or sagging sashes on ECO Classic aluminum single-hungs. Ontario’s summers routinely push past 100°F, and after decades of that thermal cycling, aluminum frames deflect just enough that the sash drops or binds in the track. We check the frame corners first; if they’re still true, a balance and hardware swap brings it back.
- Failed spring balances and broken tilt-latches on ECO 400 Series double-hungs. This one’s pronounced in Ontario because of rail corridors. Houses near the tracks off Mission Boulevard and up toward the airport feel constant low-level vibration, which chews through balances faster than you’d believe. A window that slams shut when you let go is almost always a dead balance.
- Deteriorated glazing beads and dry-rotted wood bucks on stucco exteriors. Ontario’s occasional heavy winter rain, combined with sprinkler overspray that hits window sills nightly, rots the wood bucks behind stucco returns around ECO frames. We reframe with pressure-treated lumber and re-flash with butyl tape before re-stuccoing to match the original texture.
- Patio door rollers choked with Santa Ana dust. ECO 800 Series sliding doors pick up fine grit from those wind events, and once the rollers bind, homeowners start yanking on the door and bending the track. We pull the panel, clean or replace the roller assemblies, and realign the track so the door glides.
ECO Window Systems Service in Ontario: What Local Conditions Mean for Your Equipment

Here’s a detail most contractors in neighboring cities miss: many homes along Euclid Avenue built before 1960 have original ECO aluminum windows set into unreinforced masonry walls. That’s not a standard retrofit. When we pull an old unit out of a masonry opening, the new window buck can’t just be nailed to framing the way you would on a wood stud wall. It has to be anchored with epoxy-set bolts into the masonry, and the anchorage spacing has to meet Ontario’s seismic retrofit standards. We do this routinely. Our retrofits on those older Euclid Avenue homes are engineered for the next earthquake, not just the next inspection. Contractors in Rancho Cucamonga or Chino rarely see this because their masonry stock is newer and reinforced. Walk the historic core of Ontario and the difference is visible in the window reveals.
On a 1972 ranch on East D Street, our crew pulled a bay of fogged ECO 400 Series double-hungs with aluminum-clad wood frames that had rotted at the sills from years of sprinkler overspray. We reframed the rough openings with pressure-treated lumber, installed new ECO 400 vinyl-replacement sashes with low-E glass, and flashed them with butyl tape before re-stuccoing to match the original texture. The owner told us the master bedroom stayed 8 degrees cooler that summer. That’s the kind of result you only get when the crew understands both the product and the specific way Ontario homes were built.
ECO Window Systems Models & Products We Service in Ontario
Our crews work on the full ECO Window Systems lineup across Ontario’s housing stock. That includes the ECO 400 Series Double-Hung, the 600 Series Casement, the 800 Series Sliding Patio Door, and the Classic Aluminum Single-Hung. We carry or can source OEM balances, latches, weatherstripping, and lock hardware for units still in active production. For discontinued lines, we stock high-quality aftermarket glass packs and reinforced nailing fins through local Ontario distributors so turnaround doesn’t stall waiting on a discontinued part from a warehouse in another state. If your frame is corroded or the glass is failed on a unit more than 25 years old, we’ll tell you straight: replacement often beats repair, especially with title 24 energy upgrade deadlines pushing homeowners toward better-performing glass anyway.
See the difference
Before
After
Before
After
Before
AfterECO Window Systems Service Pricing in Ontario

Ontario homeowners ask us for numbers before anything else, so here they are. These are what our customers pay for the most common ECO Window Systems jobs in this area:
| Service | Price Range |
|---|---|
| Window Replacement (ECO retrofit, per opening) | $800 – $2,500 |
| Impact Window Installation (ECO 600 casement, per opening) | $1,500 – $4,000 |
| Tub-to-Shower Conversion (with ECO window trim) | $3,500 – $10,000 |
What changes the number: how big the opening is, whether the rough opening is rotted, whether we’re working on stucco or wood siding, and whether the frame is a standard retrofit or set into masonry on an older Euclid Avenue home. A free estimate from us is a written price. Call (341) 895-1170 and we’ll come measure, check the substrate, and hand you a number you can hold us to.
Serving Ontario, CA - Our Local Coverage Area
We’re based in the Ontario 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 Ontario
If the sash is square and the balance system still works, we can often replace just the insulated glass pack for a fraction of a full replacement. If the frame is corroded, the seal system has failed repeatedly, or the unit is more than 25 years old, a full ECO retrofit usually makes more sense, especially before title 24 energy deadlines tighten further. Give us a call at (341) 895-1170 and we’ll tell you which path actually saves you money.
Yes, new ECO 400 and 600 Series windows with low-E glass meet California’s title 24 performance requirements when properly installed. Older aluminum single-hungs without thermal breaks do not. If you’re planning Ontario Bathroom Remodeling or another remodel that touches window openings, we can spec the right glass package up front so your inspection passes the first time, and your estimate reflects the compliant product, not a surprise upgrade later.
Santa Ana winds blow fine abrasive grit into the roller tracks of ECO 800 Series patio doors. Once the rollers bind, owners pull harder and bend the track. We pull the door panel, clean or replace the roller assemblies, and realign the track. It takes most of a morning and the door glides like it should. Call (341) 895-1170 for an exact price; estimates are free.
We cut back the stucco around the opening, install the window into a properly prepared rough opening, then flash the perimeter with butyl tape before making a two-step stucco repair that matches the original texture. Moisture barrier continuity is what stops leaks, not the thickness of the caulk bead. That’s true on every stucco home in Ontario’s service area, but it’s non-negotiable on older masonry homes where the stucco is part of the wall system itself.
It depends on the home. On a 1950s or 60s ranch with clean stucco lines, a white vinyl ECO 400 retrofit can sit so flush you’d think it was original, especially if we match the exterior trim profile. On a historic Euclid Avenue property with a distinct window style, you’ll want to look at the 600 Series casement or another option that preserves the visual character. We’ll show you samples before you commit. Call (341) 895-1170 for a free estimate and we’ll talk through what each product looks like installed.
Service Areas Near Ontario
We run ECO Window Systems construction service throughout Ontario and the surrounding Inland Empire. You’ll find our crews in ECO Window Systems service in Riverside, working on older Arlington-area homes with similar 1950s stucco stock. We also cover ECO Window Systems service in Anaheim, plus San Bernardino, Claremont, and Menifee. If you’re within a short drive of Ontario, we’ll come out for the free estimate.
Book Your ECO Window Systems Service in Ontario Today
You’ll get a written price up front, a real arrival window, and a 365-day promise in writing if anything fails. Give you a number before we pick up a tool, that’s just how this works. Call (341) 895-1170 to schedule your free Ontario estimate.
Written by Trevor Nash, Owner at Penhallow Remodeling Riverside, your General Contractor in Ontario and the Inland Empire.












