How Much Do New Windows Cost? (Ontario Guide)

The short answer: new windows cost about $400 to $900 per window installed for standard vinyl, and roughly $300 to $2,500 each once you factor in material, size, and glass. A whole-home job of 10 to 15 windows in Ontario usually lands somewhere between $5,000 and $18,000. That is a wide range, and yes, that is annoying — so let's break down exactly what moves the number.

Here's the part nobody says out loud at the showroom: a "window" is really three prices stacked together — the unit itself, the glass package, and the labor to set it right. Change any one and the total swings. Below is what each piece actually costs in the West End of the Inland Empire, in plain numbers.

What "installed" actually includes

When we quote a window installed, that price covers the unit, the labor, flashing and sealing the opening, and hauling the old window away. A window you buy off a shelf for $250 is not an installed price — it is a part. Budget for the whole job, not the sticker.

Rule of thumb: labor runs $100 to $300 per window on a standard replacement, more for second-story openings or anything the crew has to wrestle out of an old frame.

Cost by frame material

Material is the biggest single lever on price. Vinyl is the value pick most people land on; wood is the priciest and the neediest. Here's the installed range per window:

Frame material	Installed cost per window	Best for
Vinyl	$400–$900	Most homes; low upkeep, good insulation
Aluminum	$450–$1,200	Storefronts, modern looks; conducts heat
Fiberglass	$700–$1,500	Long life, handles heat and humidity well
Wood	$800–$1,800	Historic homes; needs sealing and upkeep

Vinyl wins on price and needs basically no maintenance, which is why it's the default across the West End of the Inland Empire. Fiberglass costs more but shrugs off heat and swelling better than anything, so it's worth a look if you plan to stay 15-plus years. Wood is gorgeous and expensive and will remind you it's wood every time it needs resealing.

Cost by window type

The style of window matters almost as much as the frame, because more moving parts and bigger glass mean more money. These are installed ranges for standard vinyl units:

Window type	Installed cost per window
Single-hung	$350–$700
Double-hung	$450–$900
Sliding	$400–$900
Casement	$500–$1,100
Bay or bow	$1,200–$4,500

Single-hung is the cheapest because only the bottom sash moves. Double-hung costs a bit more and both sashes tilt in, which you'll appreciate the first time you clean the outside from inside. Casements crank open and seal tight, great for catching a breeze. Bay and bow windows are their own animal — you're buying three or more units plus a projecting frame and, often, structural work, so they can run several thousand on their own.

Cost by size

Bigger openings use more glass and more labor, so a standard window can double in price just by growing. A common 3-by-5-foot double-hung might run $450 to $700 installed; a large picture window or a custom oversized opening can climb past $1,500. Non-standard shapes (arches, circles, anything the factory has to build one-off) carry a custom surcharge on top.

The glass package — where Ontario homeowners overspend

This is the upgrade that quietly runs the bill up, and it's also where you can save real money by not buying more than the climate needs.

• Double-pane low-E with argon is the standard, and it's the right call for almost everyone. It blocks heat, cuts UV that fades your furniture, and costs a fraction of the premium options.
• Impact-rated (hurricane) glass runs $650 to $1,200 per window installed. Near the coast it's not optional — it meets code and protects against wind-borne debris. Inland, it's a nice-to-have you probably don't need.
• Triple-pane is where I'll plant a flag: in a warm CA climate, you rarely need triple-pane. It's built for northern winters, adds real cost, and buys you almost nothing against heat that a good double-pane low-E doesn't already handle. Save the money and put it toward better installation instead.

The other factors that move the price

A few things that aren't the window itself but land on the invoice:

• Full-frame vs. insert. Dropping a new window into a sound existing frame (an insert) is cheaper. Tearing back to the studs (full-frame) costs more but is the honest fix when the frame is rotted or you're changing the size.
• Second-story and hard-to-reach openings. Ladders and lifts add labor.
• Old-home surprises. Homes with settled framing or lead paint take longer and cost more, and any installer who says otherwise before seeing it is guessing.
• How many at once. Batching the whole house lowers the per-window labor, because the crew mobilizes and disposes once instead of five times.

When you don't need new windows at all

Here's the advice that costs us a job and earns your trust: not every bad window needs replacing. If a double-pane unit has fogged up between the glass but the frame is solid, that's usually a failed seal — you can often swap just the insulated glass unit for far less than a full replacement. A sash that won't stay up is frequently a $20 balance, not a $600 window.

If your windows are single-pane, drafty, or painted shut since the Bush administration, replacement is the right move. If they're structurally fine and only cosmetically tired, get a repair quote before a replacement one. An honest installer will tell you which camp you're in.

You know the room. The one that's an oven by 3 p.m. in July and a meat locker come January, where the AC runs nonstop and never quite wins. That room is usually leaking cash through old glass, and it's the first place new low-E windows earn their keep. Start there if you're phasing the work.

So what should a Ontario homeowner budget?

• Standard vinyl, whole home (10–15 windows): roughly $5,000 to $13,500.
• Add impact glass for a coastal home: figure closer to $8,000 to $18,000.
• A single problem window: $400 to $900 for standard, more for specialty shapes or impact glass.

Most whole-home jobs in the West End of the Inland Empire wrap in one to two days once the windows arrive. The measuring and the manufacturing lead time are the long part, not the install.

The honest bottom line: pick double-pane low-E, choose vinyl unless you have a reason not to, replace the worst rooms first if money's tight, and skip the upsells the climate doesn't call for. Windows are one of the few home upgrades that pay you back a little every month on the electric bill — get them installed right and they'll do it for 20-plus years.

If you want a firm number for your house instead of a range from the internet, Ontario Window Replacement gives free, itemized quotes across Ontario and the West End of the Inland Empire — on vinyl replacement windows, energy-efficient low-E units sized for the heat, and double-hung units when you want the classic look. Call (844) 511-2320 and we'll measure before we quote.