If you’re planning to replace your windows this year, one of the first questions you’ll likely ask is:

👉 How much does window replacement cost in Ottawa in 2026?

The answer depends on several important factors — including window type, glass performance, installation complexity, and energy efficiency upgrades.

With Ottawa’s harsh winters and rising energy costs, investing in modern replacement windows isn’t just about aesthetics — it’s about improving insulation, lowering heating bills, and increasing long-term home value.

This guide breaks down the real cost of window replacement in Ottawa so you know exactly what to expect.


Average Window Replacement Cost in Ottawa (2026)

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In 2026, most Ottawa homeowners can expect to pay between:

👉 $800 and $1,500 per window installed

The total project cost depends on:

  • Window size

  • Frame material

  • Glass type (double vs triple pane)

  • Style of window

  • Accessibility of installation

  • Removal of old units

Estimated Total Project Cost:

Number of Windows Estimated Cost
5 Windows $4,000 – $7,500
8 Windows $7,000 – $12,000
10 Windows $9,000 – $15,000
12 Windows $10,000 – $18,000
Full Home (15+) $15,000 – $25,000+

Homes replacing original builder-grade windows from the 1990s–2000s may benefit from improved insulation and energy savings after installation.


Cost by Window Type

Different window styles vary in cost depending on materials and complexity.

Vinyl Casement Window

💲 $900 – $1,400 installed

  • Best energy efficiency

  • Tight compression seal

  • Ideal for Ottawa’s windy winters


Sliding Window

💲 $800 – $1,200 installed

  • Budget-friendly

  • Easier installation

  • Slightly lower insulation


Awning Window

💲 $950 – $1,500 installed

  • Great ventilation

  • Common in basements


Picture Window

💲 $700 – $1,200 installed

  • Fixed design

  • Maximum insulation

  • No moving parts


Bay or Bow Window

💲 $3,000 – $6,500 installed

  • Custom installation

  • Structural support required


Double Pane vs Triple Pane Window Cost

Triple pane windows are widely recommended for Ottawa’s cold climate — but they do come at a higher upfront cost.

Window Type Installed Cost
Double Pane $800 – $1,200
Triple Pane $1,000 – $1,500

Triple pane windows typically cost:

👉 10–20% more than double pane

However, they offer:

✔ Lower U-factor
✔ Improved winter insulation
✔ Reduced condensation
✔ Noise reduction

Over time, energy savings may offset the higher purchase price.


What Affects Window Replacement Cost in Ottawa?

Several variables influence pricing:

1. Frame Material

  • Vinyl – Most common and affordable

  • Fiberglass – Higher durability

  • Wood – Premium appearance

2. Glass Performance

  • Low-E coatings

  • Argon or krypton gas

  • Triple pane insulated units

3. Installation Complexity

  • Upper floors

  • Structural framing

  • Brick-to-brick installations

4. Removal of Existing Windows

Disposal and labor may increase overall project costs.


Ontario Window Rebates & Incentives (2026)

Ottawa homeowners may qualify for:

  • Federal energy efficiency programs

  • Enbridge retrofit incentives

  • Low-interest financing

Eligibility typically requires:

✔ ENERGY STAR® windows
✔ Professional installation
✔ Home energy audit

These rebates can reduce the net cost of your window replacement project.


Is Window Replacement Worth the Cost?

Upgrading your windows can provide:

  • Lower heating bills

  • Improved indoor comfort

  • Reduced condensation

  • Increased home resale value

  • Better sound insulation

Window replacement is considered one of the top ROI home upgrades in Ontario.


Get a Free Ottawa Window Replacement Quote

If you’re considering replacing your windows in 2026, now is the ideal time to compare quotes from trusted local installers.

Visit WindowBroker.ca to connect with Ottawa’s top window companies and request your free estimate today.


Related Ottawa Guides:

  • Best Window Companies in Ottawa

  • Triple Pane Windows Ottawa

  • Energy Star Windows Ottawa

  • Ottawa Window Replacement Guide