Window Replacement in Ontario, CA | Meridian Windows & Doors - Meridian Windows & Doors

Window Replacement in Ontario - Written Price Before Anything Is Ordered

Free in-home measure and an exact written price before anything is ordered. Energy-rated units, professional installation by our own crews, and a workmanship warranty on the install.

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Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style

Styles & brands we work with

Single hung
Single hung
Double hung
Double hung
Horizontal roller
Horizontal roller
Casement
Casement
Bay & bow
Bay & bow
Sliding glass doors
Sliding glass doors
Entry doors
Entry doors
Impact garage doors
Impact garage doors
PGT
PGT
CGI
CGI

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Full Restoration
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Fast, Reliable Window Replacement Across Ontario

Ontario Patio Door Installation and window replacement in Ontario, CA runs between $650 and $1,850 per opening for most vinyl or insert installations, with full-frame work on older tract homes adding $250 to $550 per unit. That’s the honest range we quote at Meridian Windows & Doors, and the price goes on paper before we order a single window. If you’re in Ontario and tired of single-pane aluminum that bakes the living room every afternoon, call (817) 686-2228 and we’ll scope the job properly. Our crews serve Ontario from our Inland Empire office, and we know exactly what these stucco-era homes need.

Before and after professional residential sliding glass door and window replacement in Ontario, CA

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Why Meridian Windows & Doors Is Ontario’s Preferred Window Replacement Company

We’re part of the Garrison Partners family, held to The Garrison Standard since 2009. That means clean job sites, written pricing, and a crew that shows up when we say we will. Elliot Vance leads our team, and he has built the business around one rule: the price goes on paper before work starts, and it does not move at the door.

Every installation is covered by the 365-Day Done Right Promise. If it isn’t right within a full year, we return at no charge. No fine print about labor exclusions. No arguing about whether the seal was really failing. It’s in writing on every job. Homeowners in Ontario appreciate that. They have been burned before. They don’t need another contractor telling them the original quote was a rough estimate.

Our technicians are background-checked and uniformed. When someone walks through your door in Ontario, you know exactly who they are and why they’re there. And when you call us, a live person answers. Not a voicemail loop. Not a callback tomorrow. Twenty-four hours a day, seven days a week.

Window Replacement Company in Ontario

The right Window Replacement team for Ontario is one that understands San Bernardino County’s inland climate and the specific failure modes of 1960s through 1980s tract housing. A replacement here typically involves removing the old sash and frame (or installing an insert inside the existing frame), correcting any jamb and sill damage, setting the new unit square and level, flashing it properly, and insulating the rough opening. Ontario homeowners call us when seals fail, sashes stick, or rooms on the west side of the house get unbearable by 2 p.m. in August.

Full Frame vs. Insert Replacement

Full-frame replacement means pulling the entire old window down to the rough opening. We do this when the stucco is cracked, the frame has settled, or water has been getting in around the jamb. Insert replacement leaves the existing frame in place and fits a new window inside it. Inserts cost less up front. In Ontario’s older neighborhoods near Euclid Avenue, many homes need at least a few full-frame replacements because the original aluminum frames are corroded or out of square.

What to Expect on Installation Day

We protect the floor, remove the old unit, repair the opening if needed, set the new window, flash it, insulate it, and clean up. Most openings take 45 to 90 minutes. A whole-house job on a 1970s ranch near Riverside Drive might run two to three days. You’ll get a written schedule before we start, and we stick to it.

Window Glass Replacement in Ontario

Window Glass Replacement in Ontario usually means swapping failed insulated glass units (IGUs) rather than replacing the entire window, and that work runs $180 to $460 per pane here depending on glazing type and size. The question is what glass to put back in. In this climate, that’s not a cosmetic decision. It’s a performance decision. A failed seal on a west-facing window in Ontario doesn’t just fog up; it lets the full afternoon solar load pour into the room and forces your AC to work harder.

Low-E and Insulated Glass Units

Low-E glass is a thin metallic coating that reflects heat while letting visible light through. In Ontario, where summer design temperatures top 100°F, low-E is the standard we spec on nearly every replacement, not an upgrade. A standard clear IGU on a south-facing or west-facing opening will still overheat the room. We write the glazing spec into every quote before you sign it.

Modern dark grey aluminum window frame installation on textured stucco wall in Ontario, CA

When Glass Replacement Makes More Sense Than Full Replacement

If the frame is square, the stucco is intact, and the only problem is a fogged or cracked pane, Mr Glass repair in Ontario is the disciplined choice. It costs less, and it doesn’t disturb the exterior finish. We’ll tell you honestly if the frame is shot and glass replacement would be money wasted. That’s the straight story.

Trusted Brands We Service in Ontario

We’re authorized to install and replace products from eight manufacturer lines, and for Ontario homes we regularly spec PGT impact-rated units, CWS vinyl frames, and ViewLux for replacement projects that need strong thermal numbers without premium aluminum pricing. We don’t push one brand. We pick the right product for the opening, the orientation, and the budget you’ve set. Parts for these lines are stocked at our Inland Empire warehouse, which keeps lead times short for Ontario customers.

Common Window Replacement Problems We See in Ontario Homes

  • Clear glass where low-E should have been installed. A previous contractor quotes the cheapest insulated unit and the west-facing bedroom still hits 85 degrees by 4 p.m. We see this regularly in Ontario’s July-through-September heat spikes, and it’s a spec error, not a homeowner problem.
  • Rotted or settled jambs ignored during retrofit. Many 1960s – 1980s Ontario tract homes have stucco cracking and frames that have moved over 40 years. If the rough opening isn’t repaired before the new unit is set and flashed, the new window leaks air and water within a season or two.
  • Old aluminum frames reused as a “budget” fix. The sash and balances are often worn out by the time the glazing fails. The old unit can look fine from the street, but it leaks air and water once the new glass is in place. We won’t cut that corner, and we’ll tell you why.
  • Failed seals from cheap IGU construction. Ontario’s daily temperature swings stress sealant joints. Cheap units fail early. We spec IGU construction rated for high solar gain and wide thermal cycling, and we document the glazing spec on the quote.

Pricing for Window Replacement in Ontario, CA

For a typical Ontario home, a vinyl insert runs $650 to $1,100 per window installed depending on size and glazing. Full-frame replacement on older tract homes runs $900 to $1,850 per opening because it includes rough-opening repair, stucco patching, and proper flashing. Glass-only replacement of a failed IGU runs $180 to $460 per pane. The variables that actually move price are glazing type (low-E, laminated, or impact-rated), window size, full-frame vs. insert, and whether the rough opening needs carpentry. Our quote is written, line-itemed, and fixed before we order anything. Call (817) 686-2228 and we’ll deliver that written quote free.

We Also Serve Cities Near Ontario

Meridian Windows & Doors handles window replacement throughout the surrounding Inland Empire communities, including Montclair, Claremont, Upland, and Rancho Cucamonga. Our crews serve Ontario and its neighbors from one local office, so scheduling is simple and lead times stay short.

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 About Window Replacement in Ontario

Why Ontario Chooses Meridian Windows & Doors

We set the standard for window replacement in Ontario.

Factory-Direct Pricing

Authorized partner pricing with no distributor markup - premium aluminum systems at wholesale-anchored rates.

Engineered to Order

Any shape, size, or specification, fabricated to your exact opening with one-on-one engineering support.

Certified Installation

Set level, plumb, and square to AAMA standards in Ontario - warranty-safe, every time.

How It Works in Ontario

Getting your window replacement handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your window replacement needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Ontario - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What Ontario Customers Say

Trusted by homeowners across Ontario and surrounding areas.

★★★★★

"Crew trimmed the interior neatly and caulked the outside. Looks professional."

Julia N. · Verified customer
★★★★★

"Noise from the street dropped noticeably with the laminated glass."

Harvey D. · Verified customer
★★★★★

"Installed six replacement windows in a day and a half. Crew was punctual, disciplined, and clean. The owner is a veteran and the standards show."

Phil R. · Verified customer

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Ready for Window Replacement in Ontario?

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