Every Window Service We Offer in Ontario, CA
One team for every window job in Ontario — from energy-efficient glass for homes and suites to commercial storefront glass.
Ontario Window Replacement handles residential and commercial window projects across Ontario and the West End of the Inland Empire. From energy-efficient glass for homes and suites to commercial storefront glass, every service below is handled by our own team and backed by our workmanship guarantee.
Start on the Ontario Window Replacement homepage, read what people in Ontario say on our about page, or call (844) 511-2320 and describe what you need in your own words.
Our Window Services in Ontario, CA
Energy-Efficient Glass for Homes and Suites
Energy-efficient glass pays back on a schedule, and the two buildings we work on keep opposite schedules. A house in Ontario sits empty at two in the afternoon and full at eight at night.
Vinyl Window Replacement
Vinyl is the correct answer for most houses in Ontario and the wrong answer for almost every storefront. That sentence is the whole page, but the reasons behind it decide whether you get a window that lasts thirty years or one that sags in eight.
Fiberglass Window Replacement
Fiberglass exists to solve three specific problems: dark colors at large sizes, thin sightlines on a wide opening, and a frame that will accept paint later. If none of those apply to your house, you are about to spend money for nothing.
Clad-Wood Windows
Clad-wood is the only window we sell for a reason that is not technical. You buy it because you want wood on the inside of the room, and everything else about the product is engineering built to make that survivable outdoors.
Aluminum Windows and Thermally Broken Framing
Aluminum is the clearest case on this site of one word meaning two opposite things. In a house in Ontario it is usually the window we are removing.
Double-Hung and Single-Hung Windows
The hung window is a transplant in Ontario. It is the eastern and midwestern default, it arrived here with tract builders copying catalogs, and it is chosen for how a house looks far more often than for how the window works.
Casement and Awning Windows
A casement seals better than anything else we install, because the sash is pulled against a compression gasket by the lock rather than sliding past a brush. If your priority is a tight house, this is the window.
Horizontal Sliding Windows
More than half the windows in Ontario slide sideways. Tract builders here have used the horizontal slider for sixty years because it is cheap, it needs no swing clearance, and it fits the wide short openings that postwar floor plans favor.
Bay and Bow Window Replacement
Replacing a bay costs what it costs because of the carpentry, not the glass. What projects off your wall is a framed box with a roof, a seat and a support system, and all four of those age faster than the glazing sitting in them.
Picture and Architectural Glass
Fixed glass has no moving parts, so people assume it is the simple product. It is the one where size, weight and access decide the price, and where a residential quote and a commercial quote stop resembling each other completely.
Egress and Rescue Openings
An egress window is not a product you order. It is a dimension you have to hit, and the reason this page exists is that most people first hear about it when a garage conversion or an added bedroom fails inspection.
Laminated Security and Impact Glazing
We are going to argue against half of what this page is usually used to sell. Ontario is fifty miles inland in San Bernardino County.
Sliding Patio Doors
The patio slider is the heaviest moving thing in most Ontario houses and the one that gets used every day. When people say their door is broken, nine times out of ten the glass is fine and the rolling system underneath it has been dead for years.
French Doors
A pair of French doors gives you the entire opening rather than half of it, and it looks better than a slider from every angle. It also has three times as many things that can bind, drop or leak, and it demands more from the wall it sits in.
Entry Doors
The front door of a house and the front door of a business have the same job and almost nothing else in common. One is chosen for how it looks and how tightly it seals.
Window Screens and Rescreening
This is the smallest invoice on the site and the one we are most often asked to inflate. A hole in a screen does not mean you need new windows, and anyone who comes to quote screens and leaves having sold a whole-house replacement has done something we will not.
Glass Repair and Sealed Unit Replacement
Most of what looks like a window problem is a glass problem, and glass can be replaced inside the frame you already own. This page exists because that fact costs us money and saves you a great deal of it.
Commercial Storefront Glass
This is the page the rest of the site keeps pointing at. Ontario runs on distribution, retail and light industry, and the glass at the front of those buildings is a separate market with its own pricing, its own permits and its own warranty terms.
What each of our services covers in Ontario
Open any service to see exactly what is included before you call.
Energy-Efficient Glass for Homes and Suites
Energy-efficient glass pays back on a schedule, and the two buildings we work on keep opposite schedules. A house in Ontario sits empty at two in the afternoon and full at eight at night. A leased suite does exactly the reverse.
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- U-factor and SHGC explained Ontario
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Vinyl Window Replacement
Vinyl is the correct answer for most houses in Ontario and the wrong answer for almost every storefront. That sentence is the whole page, but the reasons behind it decide whether you get a window that lasts thirty years or one that sags in eight. On the residential side the material earns its reputation.
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Fiberglass Window Replacement
Fiberglass exists to solve three specific problems: dark colors at large sizes, thin sightlines on a wide opening, and a frame that will accept paint later. If none of those apply to your house, you are about to spend money for nothing. The material is pultruded glass fiber in resin, drawn into a lineal rather than extruded like vinyl.
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Clad-Wood Windows
Clad-wood is the only window we sell for a reason that is not technical. You buy it because you want wood on the inside of the room, and everything else about the product is engineering built to make that survivable outdoors. The construction is a wood sash and frame with an exterior skin, and the skin is where the money goes.
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Aluminum Windows and Thermally Broken Framing
Aluminum is the clearest case on this site of one word meaning two opposite things. In a house in Ontario it is usually the window we are removing. In a commercial building it is usually the only window that will do the job.
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Aluminum Windows and Thermally Broken Framing in Ontario, CA
Double-Hung and Single-Hung Windows
The hung window is a transplant in Ontario. It is the eastern and midwestern default, it arrived here with tract builders copying catalogs, and it is chosen for how a house looks far more often than for how the window works. Mechanically it is simple.
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Casement and Awning Windows
A casement seals better than anything else we install, because the sash is pulled against a compression gasket by the lock rather than sliding past a brush. If your priority is a tight house, this is the window. Everything else on this page is about the costs of that decision.
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Horizontal Sliding Windows
More than half the windows in Ontario slide sideways. Tract builders here have used the horizontal slider for sixty years because it is cheap, it needs no swing clearance, and it fits the wide short openings that postwar floor plans favor. We will not pretend it is the best window made.
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Bay and Bow Window Replacement
Replacing a bay costs what it costs because of the carpentry, not the glass. What projects off your wall is a framed box with a roof, a seat and a support system, and all four of those age faster than the glazing sitting in them. A bay projects on angled side lites, usually thirty or forty five degrees, with a fixed center and two operating flankers.
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Picture and Architectural Glass
Fixed glass has no moving parts, so people assume it is the simple product. It is the one where size, weight and access decide the price, and where a residential quote and a commercial quote stop resembling each other completely. On a house, a picture window is a single sealed unit in a frame that does not open.
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Egress and Rescue Openings
An egress window is not a product you order. It is a dimension you have to hit, and the reason this page exists is that most people first hear about it when a garage conversion or an added bedroom fails inspection. California requires every sleeping room to have an emergency escape and rescue opening, and the requirement is written in clear opening area, clear width, clear height and sill height above the floor.
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Laminated Security and Impact Glazing
We are going to argue against half of what this page is usually used to sell. Ontario is fifty miles inland in San Bernardino County. There is no hurricane here, no wind-borne debris region, and no honest reason to sell a homeowner a storm package.
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Sliding Patio Doors
The patio slider is the heaviest moving thing in most Ontario houses and the one that gets used every day. When people say their door is broken, nine times out of ten the glass is fine and the rolling system underneath it has been dead for years. Original doors in this housing stock are frequently aluminum with steel wheels running on a soft aluminum track.
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French Doors
A pair of French doors gives you the entire opening rather than half of it, and it looks better than a slider from every angle. It also has three times as many things that can bind, drop or leak, and it demands more from the wall it sits in. The mechanical difference is where the two leaves meet.
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Entry Doors
The front door of a house and the front door of a business have the same job and almost nothing else in common. One is chosen for how it looks and how tightly it seals. The other is regulated in nearly every dimension it has.
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Window Screens and Rescreening
This is the smallest invoice on the site and the one we are most often asked to inflate. A hole in a screen does not mean you need new windows, and anyone who comes to quote screens and leaves having sold a whole-house replacement has done something we will not. Rescreening is straightforward.
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Glass Repair and Sealed Unit Replacement
Most of what looks like a window problem is a glass problem, and glass can be replaced inside the frame you already own. This page exists because that fact costs us money and saves you a great deal of it. A fogged window has not failed as a window.
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Commercial Storefront Glass
This is the page the rest of the site keeps pointing at. Ontario runs on distribution, retail and light industry, and the glass at the front of those buildings is a separate market with its own pricing, its own permits and its own warranty terms. The system itself is center-set aluminum storefront framing, most commonly a 1-3/4 by 4-1/2 inch profile, with a 2 by 4-1/2 available where the span or the wind load calls for it.
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What Ontario property owners ask us
Which window services does Ontario Window Replacement handle?
Everything listed on this page, residential and commercial, across Ontario and the West End of the Inland Empire. Work is done by our own crews rather than handed to whoever is cheapest that week, which is the only way the workmanship warranty means anything.
Can I combine more than one service in a single job?
Yes, and it is usually cheaper. Bundling window work into one mobilization saves setup, disposal and travel, and it means one crew, one schedule and one written free estimate instead of three contractors blaming each other.
Do you give free estimates for every service?
Every one. We come out, measure, look at the real condition of the work area, and put an itemized free estimate in writing with materials and scope spelled out. No charge, no deposit, and no obligation to book.
What Ontario Customers Say
Two other companies quoted my suite off a residential price sheet and neither one mentioned the door had to keep its panic hardware. These guys measured the framing depth, told me the glass was a four week order, boarded it that night and we never closed. The invoice matched the estimate line for line.
Replaced nine windows in a 1962 house. They found dry rot under the sill in the back bedroom during the measure and put the repair on the quote instead of surprising me on install day. The west side of the house is noticeably cooler in the afternoon now.
Our front office glass took a rock from the yard. I expected a pitch for a whole new storefront. Instead they reglazed the existing frame, matched the tint, and charged about a fifth of what I had budgeted. They took the time to explain why the frame was still good.
Honest about what a window can and cannot do. I asked about the plane noise and they said laminated glass would help but would not make it quiet, which is exactly what happened. I appreciated not being sold soundproofing that does not exist.
Service Areas
Ontario Window Replacement serves Ontario, CA and surrounding communities including: