Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
PGT Construction in Ontario, CA | Polaris Contractors
We install, service, and repair PGT windows and doors throughout Ontario, including the 91758, 91761, 91762, and 91764 ZIP codes, and we also provide Upland PGT service nearby. What makes our PGT work here different is simple: we know how these units actually hold up against Ontario’s heat cycling, citrus-grove soils, and Santa Ana wind loading, not just how they look on a spec sheet. We’re an independent contractor, not a manufacturer affiliate, so our recommendations are based on what’s right for your home. Call (855) 473-6535 to schedule a free estimate.
Why Ontario Residents Choose Us for PGT Service
Ontario’s housing stock is heavy with 1950s through 1970s ranch homes, and a lot of them already have PGT windows or doors that are twenty years into their service life. We’ve torn enough of those units out to know exactly where they fail, why they fail, and whether a repair makes sense or a replacement is the honest call. Our crew has worked on PGT WinGuard impact units, EnergyVue vinyl windows, and PGT aluminum sliders across Ontario and into PGT service in Chino long enough to recognize a warped sill from heat cycling versus one that was damaged by water intrusion at the flashing line.
Rick Sondermann, our owner, has been building and renovating homes for nearly three decades. He grew up in Corona del Mar and learned construction fundamentals at Saddleback College before spending years on whole-home remodels where material choices and sequencing directly affected the outcome. That background matters when you’re deciding whether to rebuild a PGT sash or replace the entire frame. We’ll tell you what we’d do on our own house. For full details on our PGT capabilities, see our PGT sales & service page. You can also learn about our broader Ontario service area coverage.
One team, full scope. That’s how we operate. We’re not a window-only shop that disappears after the glass is in. We handle the surrounding structure, the flashing, the trim, the interior drywall, the exterior grade. From the roof down to the pavers, your project stays under one contract.
Styles & brands we work with
Common PGT Construction Problems We Solve in Ontario
- Warped vinyl sills on EnergyVue single-hungs and sliders. Ontario’s summers push temperatures past 100 degrees for days at a stretch, and vinyl frames expand and contract hard through those cycles. After enough years, the sill warps, the sash binds, and the lock won’t catch. We’ve pulled units where the sill had curled enough to let wind-driven rain straight into the wall cavity.
- Fogged or desiccated WinGuard impact glass. West- and south-facing PGT impact windows take brutal solar load in Ontario. The laminated glass layers hold up to impact fine, but the seal between them can fail after years of thermal cycling. You’ll see fog that never clears or a milky haze between the panes. That’s a sealed-unit failure, and the fix is typically replacement glass, not a repairable part.
- Grit-fouled rollers and tracks on PGT aluminum sliding doors. Santa Ana winds blow fine dust and sand through Ontario neighborhoods, and that grit works its way into the bottom track of PGT sliders. Rollers wear down, the panel drags, and the meeting rails drift out of alignment. A homeowner can feel the door getting harder to move every season. We clean, replace, and realign those tracks with OEM hardware where available.
- Water intrusion at door sills and window flanges on older ranch homes. In the 91761 and 91762 ZIPs especially, many of the original installs used flashing details that were never upgraded. When we pull a failed PGT unit, we often find the real problem is the opening, not the window. Re-caulking won’t fix a rotted sill pan or missing flashing.
- Sash lock failures on PGT WinGuard Vinyl units. Heat cycling also stresses the lock set and keeper alignment on impact-rated vinyl windows. The lock might close but not fully engage, or the keeper drifts out of position. Usually a targeted hardware swap fixes it. Sometimes the frame has moved enough that we need to reset the sash.
PGT Service in Ontario: What Local Conditions Mean for Your Equipment
Here’s something we deal with on a regular basis that you won’t see talked about on a national PGT page. Much of Ontario’s postwar housing in the 91764 ZIP was built directly over former citrus groves. Those groves left behind old irrigation lines and organic debris in the soil, and when we replace PGT windows and doors in that area, we routinely hit buried pipe or decomposing organic material right at the sill line. That affects exterior grade, drainage, and flashing in ways that a simple window swap ignores. If the soil at the foundation is pulling away or the grade slopes toward the house, a brand-new PGT unit will still leak. So we re-detail the opening, add proper sill pans, and correct the drainage before the new window goes in. That’s the difference between a PGT install that holds up for twenty years and one that fails in five.
PGT Models & Products We Service in Ontario
We work on the full range of PGT residential product lines. That includes PGT WinGuard Aluminum impact-resistant windows and doors, PGT WinGuard Vinyl impact-resistant units, PGT EnergyVue vinyl single-hung and sliding windows, and PGT Aluminum Series sliding glass doors. For parts, we use PGT OEM hardware, rollers, lock sets, and weatherstrip wherever they’re available, because the fit and finish on PGT’s vinyl and aluminum profiles is specific. When a part is discontinued or on long lead time, we specify quality aftermarket equivalents that match the exact dimensions. We stock the most common PGT replacement parts for fast turnaround across Ontario, and we’ll be straight with you about whether a repair or a full replacement is the better investment.
Built to PGT’s specification, installed to ours. The brand matters, but the installation is what makes it perform in Ontario’s climate. We also handle the broader scope around PGT work, including PGT repair in Montclair, Window Replacement, Impact Window Installation, and Full Kitchen Remodeling where new PGT windows or doors are part of a larger renovation. Your project, managed start to finish.
See the difference
Before
After
Before
After
Before
AfterPGT Service Pricing in Ontario
What you’ll pay for PGT work in Ontario depends on the scope, the number of units, and what we find when we open the wall. Here are the ranges we typically see on the jobs we do across the city:
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair | $400 – $1,800 |
The final number reflects the condition of the openings, whether we’re correcting drainage issues, and how many units you’re doing. A single replacement window on the second floor costs less than a full five-unit impact package with rotten sill repairs. Your free estimate includes a written line-item quote so you see exactly where the money goes. Call (855) 473-6535 and we’ll walk the house with you.
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 – PGT Construction in Ontario
Most dragging PGT sliders are a repair, not a replacement. The problem is almost always worn rollers, a fouled track, or misaligned meeting rails, and all three can be corrected with OEM or matching aftermarket parts. Replacement only becomes the better call if the frame itself is warped or the glass is compromised. Call (855) 473-6535 and we’ll tell you which one you have.
Fogging between the panes on PGT WinGuard impact units is a seal failure. Ontario’s heat cycling, especially on west- and south-facing walls, repeatedly expands and contracts the laminated glass package until the edge seal lets go. Once that happens, moisture gets in and the insulated value drops. The fix is replacement glass or a new unit, not a repair.
Often, yes. Ontario’s building inspectors scrutinize ADU projects closely because of the city’s push to meet state housing mandates. If your property is in the 91764 ZIP or another area with former citrus-grove soil, expect to provide a soil report and a drainage plan before permits clear. For properties needing San Antonio Heights PGT service, we handle the same requirements. We coordinate that as part of the full ADU scope so your PGT windows and doors go into a structure that passes inspection the first time.
Yes, and not just for wind. PGT impact glass is engineered for debris impact during high-wind events, which Ontario gets every fall and winter when Santa Ana conditions blow through. It also cuts noise from nearby freeways and logistics traffic, which is a real quality-of-life consideration in a warehouse-heavy city like Ontario. Call (855) 473-6535 and we’ll help you spec the right package for your exposure.
Yes. We match PGT product lines, glass packages, and frame colors to existing units so a new window or door doesn’t stand out on the elevation. On older homes where the existing line is discontinued, we’ll find the closest current PGT equivalent and tell you upfront if there’s any visual difference. Call (855) 473-6535 for a free estimate on matching or full replacement.
Service Areas Near Ontario
We provide PGT service throughout Ontario and the surrounding communities. That includes work in Anaheim, Cypress, Villa Park, Foothill Ranch, La Palma, and Ladera Ranch. If you’re just outside Ontario and need PGT windows or doors serviced, call us, we likely cover your area. For specific coverage details, see our PGT service in Jurupa Valley and PGT service in Claremont pages.
Book Your PGT Service in Ontario Today
Do it right the first time, the second time always costs more. That’s how we approach PGT work in Ontario, and it’s why homeowners call us when their windows or doors stop performing. Call (855) 473-6535 to schedule your free estimate. We’ll walk the property, identify the actual problem, and give you a written quote you can plan around.
Written by Rick Sondermann, Owner at Polaris Contractors, serving Ontario and the Inland Empire.