Window Replacement Cost in the GTA (Prices per Window)

Across the GTA, one replacement window installed lands between $400 and $2,000, and a plain vinyl unit sits near the bottom. Window Force puts a standard vinyl replacement window at $400 to $1,200 installed in the Toronto market. EuroStar Windows & Doors says most homeowners pay $600 to $1,200 for mid-range vinyl or fibreglass with professional installation. That spread is not vagueness. It comes mostly from one decision, retrofit or full-frame, plus size, glazing and how many openings you do at once. It also comes from labels: a published price can be the window alone, the window installed, or never say. Ontario still pays a window rebate, but it is $100 per rough opening, and it carries conditions most contractor sites leave out.

What one window costs installed

These are Window Force's published installed prices for the Toronto market. "Installed" covers the unit, labour, removal of the old window and basic finishing.

RenoHouse lands in the same range by a different route. Where the two disagree, RenoHouse is quoting a smaller or simpler unit.

EuroStar sorts by glass rather than shape. Its installed tiers start at $400 to $700 for budget double-pane vinyl and $600 to $1,000 for mid-range triple-pane with Low-E and argon. Premium vinyl or fibreglass runs $900 to $1,400, and wood or clad wood $1,200 to $2,500. Low-E is a thin coating that reflects heat back where it came from, and argon is the gas sealed between the panes.

Beware the "from" price. WindowMart's from-prices, listed in the label table below, sit under the heading "Replacement Windows Cost. Supply Only!": the glass and frame with no installation, so they do not compare to any installed figure on this page. The same page's typical Toronto range of $400 to $2,100 does not say whether it includes installation.

Size moves the price more than style does

Total Home Windows and Doors prices the same vinyl style across three size bands, and the jump is steep: a single casement runs $240 to $380 small and $480 to $750 large. Those are unit prices before labour, so a like-for-like comparison starts with the real size of your openings.

Glazing moves the price less than you might think. Delco Windows puts triple glazing at roughly $200 more per window, and insulated frames at about $50 more.

What GTA window companies publish, and what it means

On September 29, 2026 we read the price pages of 22 window companies that serve the GTA and put each through the same tests. Seventeen publish at least one figure and five publish none. Nordik, one of the five, rejects percentage-off sales: "We don't promote fake sales with inflated prices." Only six say how HST is treated, and not one publishes a minimum order.

The label is the bigger trap. Vinyl Light shows the conversion: its notes column reads "Window from $350 + installation from $200" beside a casement at "From $550", under the heading "Starting Installed Price". Home Depot Canada prints a casement at $900 to $1,200 in a table headed "Price Range Per Window Installation", then prints $900 to $1,200 again in a table footnoted "Window prices depicted in chart above exclude installation". Torwin and EcoTech each print two different figures for the same window on one page, as the table shows; Torwin's lower one is the one that includes installation.

Labour alone, where a company prints it, runs from $70 to $150 a window to $150 to $800. The low end is Magic's Canada-wide figure for standard retrofits, which it says climbs past $200 for larger or complex jobs, particularly in cities like Toronto.

Retrofit vs full-frame, and why one quote is thousands higher

This is the single biggest reason two quotes for the same house look nothing alike.

Retrofit (insert): the new window is built to fit inside the existing frame. The old sashes and hardware come out. The original frame stays. It works when that frame is still sound.

Full-frame (brick-to-brick): the whole assembly comes out, back to the rough opening in the wall. The new window goes in with fresh insulation, flashing and casing. You need it when the frame is rotted or water-damaged, or when the opening size is changing.

Other suppliers describe the same gap in different units. Clera Windows + Doors says full-frame costs about 15% to 20% more than retrofit. It prices retrofit windows at $300 to $800 each, against full-frame from $800 into four figures, and custom shapes from $1,500.

Real jobs show the gap in dollars. Total Home publishes its finished jobs with their prices and dates, and four of them sit below.

$13,899 divided by 19 retrofit windows is $732 each. $6,200 divided by 5 brick-to-brick windows is $1,240 each, 70 per cent more per window at the same company in the same year. Not all of that is the method: the brick-to-brick job was a quarter the size and included a full wood trim package, and Clera puts the typical full-frame premium at 15% to 20%.

A retrofit quote and a full-frame quote are not competing offers for the same job. Ask each contractor in writing which method they priced, and why.

Whole-house totals

Window Force publishes the bands below by home size and quality tier. Budget is basic double-pane vinyl on a retrofit install. Mid-range is triple-pane, Low-E and argon in standard colours. Premium is triple-pane in custom colours, full-frame, with premium hardware.

Source: Window Force, Toronto pricing guide.

RenoHouse's own figure for an average 3-bedroom home is $8,000 to $25,000. That brackets Window Force's budget-to-mid range.

What Ontario buyers reported paying or being quoted in 2023 sits well above the advertised floors. Divided out, the three Reddit jobs and quotes below come to $14,000 divided by 11 = $1,273, a Toronto quote of $26,000 divided by 13 = $2,000, and $32,000 divided by 13 = $2,462, all before any rebate.

Doing the whole house at once costs less per window than staging it. Window Force says replacing 15 to 20 windows in one go typically saves 10% to 20% against spreading the work over years. Custom sizes cost 15% to 30% more than standard ones. Booking between October and March may save another 10% to 20%, because GTA demand peaks May through September.

Every figure on this page is before tax. Window Force's own table footer reads "Tax not included", so add 13 per cent HST. On a $12,000 to $22,000 whole-house job that is $12,000 × 0.13 = $1,560 to $22,000 × 0.13 = $2,860 more.

The rebates that actually exist

One program pays for windows in Ontario right now: the Home Renovation Savings Program, run by Enbridge Gas and Save on Energy. It pays $100 per rough opening for each window, door, skylight or sliding door replaced with an ENERGY STAR certified model. A rough opening is the hole in the wall, not the number of units. Two windows joined into one opening pay once.

Your home has to qualify first. You must own it, and it must be a single detached, semi-detached, row/townhome or mobile home on a permanent foundation. Stacked townhomes, condos and low-rise apartments are ineligible, which rules out a large share of Toronto. Its main heat must be an Enbridge gas furnace or boiler (rebates capped at $5,000 across all upgrades) or electricity, propane, oil or wood on the Ontario grid (capped at $10,000). It needs six months of occupancy, so new builds are out, and a professional contractor has to swap non-ENERGY STAR units for certified ones. Past that gate, four more conditions decide the amount.

• A minimum of three window rough openings (or one door, skylight or sliding door opening) is required for windows to count at all.
• Windows count as one qualified measure, no matter how many openings. Take the program's own worked examples. Three windows plus one sliding door in four openings pays $300 plus $100, a grand total of $400, and still counts as a single measure. Two windows in two openings pays $0. On the $26,000 Toronto quote above, 13 windows in 13 openings would return 13 x $100 = $1,300, or 5 per cent of the job.
• Windows sit in the assessment stream. You need a home energy assessment before any work starts, and a second one after. You also need at least two qualifying measures, so windows alone will not do it. The assessments carry a $600 rebate on successful completion, and three bundled upgrades add $500.
• A retrofit insert is eligible. The program allows a complete new window and frame set into the old frame. Replacing only the glass, sash or door without a frame is not eligible.

The deadlines are close. The post-audit must be finished within 180 days of the pre-audit or by December 31, 2026, whichever comes first. It also has to be booked in the administrators' system by November 30, 2026.

Federally there is nothing for GTA windows. Natural Resources Canada lists the Canada Greener Homes Grant as closed (Ontario applicants had until December 1, 2025 to finish their post-retrofit evaluation), and the Canada Greener Homes Loan as closed with its funding fully committed. Enbridge's Home Efficiency Rebate Plus closed to new applicants on February 5, 2024. The Canada Greener Homes Affordability Program is running, but not in Ontario.

Discount and pay-later offers, and your right to cancel

Ten of the 22 companies showed a percentage-off or pay-later offer when we read them. EcoTech's "Save Up To 50%" carries, in full, "*Offers end soon. Certain conditions apply." Some offers outlive their own dates: at the end of September, Everest's price page still headlines a "40% Off 2026 Spring MEGA Promotion", Total Home's promotions page still shows one that "Ends August 31, 2025", and HTR's financing card is headed "No Paying Until 2025".

In the 2019 review above, a written 45k became 28k "if I pay today only", a drop of $45,000 minus $28,000 = $17,000 in one visit. The Competition Bureau puts it plainly: "Be wary of strangers pressuring you by offering deals for a limited time."

Windows are not on Ontario's restricted door-to-door list (furnaces, air conditioners, air cleaners and purifiers, water heaters, water treatment devices, purifiers, filters and softeners, duct cleaning, and anything combining them), so a window sale at your kitchen table is legal. What protects you is the general rule: "You always have a cooling-off period when you sign a contract in your home." You can cancel for any reason within 10 days of receiving a written copy, and for most contracts the company then has 15 days to return your money. If the seller misrepresented the goods or services, you have up to one year.

The performance numbers that matter here

ENERGY STAR certification in Canada is one national bar. Natural Resources Canada's Version 5.0 technical specification, in force since January 1, 2020, has no climate zones for windows and doors. A residential window or door must hit a maximum U-factor of 1.22 W/m2K (0.21 Btu/h ft2 F), or a minimum Energy Rating (ER) of 34. Every certified model must also keep air leaking in and out around the window to 1.5 L/s/m2 or less.

U-factor measures heat loss, and lower is better. ER is a single number that balances heat loss, solar heat gain and air leakage, and higher is better. NRCan flags two things salespeople exploit. R-value is not part of the energy performance standard, even though contractors and sales staff quote it. And a centre-of-glass rating describes only the glass, not the whole window. Ask for the whole-product U-factor or ER on the NRCan-registered model number.

Triple glazing is real, but the gain has limits. Window Force gives typical U-factors of 1.4 to 1.8 W/m2K for double-pane and 0.8 to 1.2 for triple-pane, at a premium of 15% to 25%. It says Low-E coatings, standard on almost all modern vinyl windows, add $30 to $75 per window over uncoated glass.

How to read two quotes side by side

1. Method first. Retrofit or full-frame, stated in writing. On Window Force's labour ranges that is a gap of $250 - $150 = $100 per window at the low end, and $400 - $250 = $150 at the high end. That is before any difference in materials.
2. Count openings, not windows. The rebate, and often the quote, goes per rough opening.
3. Get the itemised split. Window, labour, materials, disposal, trim and extras on separate lines. Window Force puts the unit itself at 50% to 65% of the project, EuroStar at 60% to 70%. A quote that will not break this out cannot be compared.
4. Check the model, not the marketing. Ask for the ENERGY STAR certified model number and its registered U-factor or ER. If you are claiming the rebate, keep the ENERGY STAR labels on the glass until after your post-audit.
5. Look for the omissions. Capping, brickmould, interior casing, disposal and structural repair are the lines that go missing; the installation table above prices disposal, trim and repair.
6. Get HST in writing. Only six of the 22 companies say how it is treated. On a $15,000 job, 13 per cent is $15,000 × 0.13 = $1,950.
7. Never sign on the visit. A same-day discount can be put in writing and dated tomorrow.