50% OFF INSTALLATION · ENDS THIS MONTH--d : --h : --m

Lock In This Year's Window Price. Install When You're Ready.

Window prices go up every year. Book this fall and your price is locked. Factory-direct windows, installed in 1 day.

50% OFF INSTALLATION
BEST PRICE LOCKED
FROM $69/MO
No payment, No interest for 6 months

8,204 GTA homeowners already checked their price

Ontario Windows installation

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BEST SEASON TO BOOK

This Year's Price. Your Schedule.

Prices Go Up Every Year

Renovation costs in the GTA have risen every year since 2023 (Statistics Canada). Next year's quote will be higher.

Price Locked Today

Your price is fixed the day you book. It doesn't change.

Install When It Suits You

This fall or later. Your call.

INSTANT RESULT

Up To 25% Of Your Home's Heat Escapes Through Windows And Doors.

You feel the difference the same day the crew leaves.

No More Drafts

No cold air near the window, no cold spots in the room.

Even Temperature

Every room holds the same temperature, wall to wall.

Quieter Home

New sealed windows cut outside noise.

Savings start showing on your next bills.

Check If Your Postal Code Qualifies For This Offer ⬇

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How old are your current windows and doors?

CLEAN INSTALL

You Won't Know We Were There. Except For The New Windows.

  • Floors and furniture covered in protective film
  • One window at a time, your home is never left open
  • Old windows removed and hauled away
  • Full cleanup before we leave

Same Home. One Day Later.

Old window out in the morning. New one in by the end of the day.

Check If Your Postal Code Qualifies For This Offer ⬇

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How old are your current windows and doors?

Custom-Built To Any Size, Space & Need

Every window made to your home's exact measurements.

Available Across the GTA Area

As a leading name in window replacement in the GTA area, we've completed over 20,000 projects with unmatched expertise. We make luxury high-quality windows affordable, durable, and built to last a lifetime.

See What Our Customers Say

VERIFIED PURCHASE

Emily Thompson

Ontario Windows did a fantastic job replacing our windows! The team was professional, on time, and paid close attention to every detail. The installation was smooth, and the results look amazing. Our home feels brighter and more comfortable. Highly recommend!

VERIFIED PURCHASE

Jessica Martin

I'm very happy with the work done by Ontario Windows. You can really see their experience and quality in the final result. The installers were respectful, efficient, and professional throughout the entire process. Our new windows look impressive — I definitely recommend this company.

VERIFIED PURCHASE

Michael Anderson

I'm absolutely thrilled with the window installation by Ontario Windows. From the very beginning, they were professional, punctual, and attentive. They helped us choose the right windows, stayed within budget, and completed everything on time. The final result exceeded our expectations.

VERIFIED PURCHASE

Ryan Campbell

Excellent window installation service! The team was reliable, professional, and very easy to communicate with. Everything was completed on schedule with great attention to detail, and the windows look even better than we expected. Highly recommended for anyone looking for quality window installation.

VERIFIED PURCHASE

Matthew Johnson

Amazing experience from start to finish! The crew handled everything with great care and kept us informed at every step. The new windows completely transformed our home — it feels warmer, quieter, and brand new. Very happy with the service and would definitely choose Ontario Windows again.

VERIFIED PURCHASE

Lauren Wilson

Ontario Windows truly lived up to the name! The team was friendly, fast, and did outstanding work. The installation was clean and efficient, and our new windows look fantastic. Couldn't be happier — highly recommend!

1-Day Installation, Window By Window

  1. 01

    Protect

    Floors and furniture covered with protective film.

  2. 02

    One Window At A Time

    Old window out, opening insulated and sealed, new window in.

  3. 03

    Finish & Test

    Trim sealed inside and out, every window tested.

  4. 04

    Clean Up

    Old windows hauled away, film removed, everything cleaned.

Lock In Your Price Before The Month Ends.

Free quote. No obligation. 30 seconds.

Check If Your Postal Code Qualifies For This Offer ⬇

Step 1 of 7

How old are your current windows and doors?