Best Window Replacement Companies in Oshawa

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2 months ago
Reviewed by Bryan Baeumler

Selecting new replacement windows for your home is an important decision that requires careful research to find the right company. There are several reputable window installation companies operating in the Oshawa area that provide quality products, professional installation, and great warranties.

This list of the top 9 replacement window companies in Oshawa is based on customer reviews, types of windows offered, experience, warranties, and overall value:


Best For

Types of Windows

Price Range for Awning Window



Canadian Choice

Best Overall

Vinyl, wood, aluminum

$500 - $1000 per window



Brock Doors & Windows

Best For Vinyl


$400 - $600 per window



ACM PRO Windows & Doors

Best Warranty

Vinyl, wood, aluminum

$550 - $950 per window



Ivory Glass and Window

Best Budget


$400 - $500 per window



Aurora Windows and Doors

Best Design Options

Vinyl, wood, aluminum, fiberglass

$700 - $1200 per window



Dowling & Sons Home Improvements

Best Local Company

Vinyl, wood, aluminum

$450 - $850 per window



Luke's Windows & Doors

Most Energy Efficient

Vinyl, fiberglass

$500 - $900 per window



Clera Windows

Best Wood Windows


$800 - $1500 per window



NorthShield Windows and Doors

Best Security

Vinyl, aluminum, wood

$600 - $1000 per window


How We Evaluated the Companies

We looked at several factors to evaluate window installation companies in Oshawa:

  • Experience - how long has the company been in business? Do they have a track record of quality work?
  • Range of products - do they offer vinyl, wood, fiberglass, aluminum, etc.? More variety gives you options.
  • Warranties - longer and more comprehensive warranties provide peace of mind.
  • Reviews - what do past customers have to say about their windows and the installation process? High ratings are a good sign.
  • Pricing - we looked for companies that provide good value and competitive pricing. Avoid the cheapest options.
  • Customer service - responsiveness and professionalism through the process.

Using these criteria, here are the top replacement window companies in Oshawa:

1. Canadian Choice

With an A+ rating from BBB and consistently positive customer reviews, Canadian Choice stands out as the best overall window company in Oshawa and the top choice for most homeowners.



  • Wide selection of window types and styles
  • Reliable vinyl windows, knowledgeable staff
  • Quality installations
  • Great warranties
  • Good value


  • Can get expensive with upgrades and large projects.

Pricing: $500 - $1000 per awning window installed

2. Brock Doors & Windows

Brock is the leading vinyl window supplier in Oshawa, offering affordable and energy-efficient vinyl windows in many styles.


  • Vinyl windows in single/double hung, casement, sliding, awning, and bay windows.
  • Low-E and triple-pane glass available.


  • Affordable vinyl windows
  • Simple pricing
  • Reliable products
  • Energy efficient glass
  • Good for homeowners on a budget


  • Limited to mostly vinyl windows
  • Fewer high-end options.

Pricing: $300 - $600 per window installed

3. ACM PRO Windows & Doors

ACM PRO is known for standout warranties, professional installations, and quality products making them one of the top options in Oshawa and surrounding areas.


  • Vinyl, wood, and aluminum replacement windows;
  • Single/double hung, casement, sliding, specialty shapes, and glass block windows.


  • Lifetime warranty on vinyl windows
  • Skilled installers
  • Various styles and brands to choose from.


  • Higher pricing than competitors

Pricing: $550 - $950 per window installed

4. Ivory Glass and Window

Ivory Glass and Window offers affordable vinyl windows with professional installation services in Oshawa. They are a great budget-friendly option.


  • Vinyl windows including single/double hung, sliders, casements, and awnings.
  • Basic to mid-range vinyl, standard double pane glass.


  • Low prices
  • Decent warranties
  • Reliable vinyl windows
  • Local family-owned business


  • Fewer options than other companies
  • Basic vinyl windows

Pricing: $200 - $500 per window installed

5. Aurora Windows and Doors

Aurora provides premium vinyl and wood windows with custom design options tailored to each homeowner's needs and style.


  • Vinyl, wood, aluminum, fiberglass replacement windows.
  • Unlimited shapes and sizes.
  • Unique glass etching, tints, specialty glass.


  • Completely customized windows
  • High-end materials
  • Skilled craftsmanship
  • Great for unique homes


  • Expensive
  • Longer lead times

Pricing: $700 - $1200 per window installed

6. Dowling & Sons Home Improvements

Family-owned and operated since 1982, Dowling & Sons handles window replacements along with other home renovation projects for Oshawa homeowners.


  • Vinyl, wood, and aluminum replacement windows
  • Standard styles and custom shapes


  • Local company
  • Full-service home renovations
  • Reliable installers
  • Fair pricing


  • Smaller operation than big box competitors.

Pricing: $450 - $850 per window installed

7. Luke's Windows & Doors

Luke's provides affordable, energy-efficient windows to homeowners in Oshawa and neighboring cities.


  • Vinyl and fiberglass windows,
  • Double and triple pane with krypton gas,
  • Tilt-in sashes for easy cleaning


  • Good value on energy efficient replacement windows
  • Quality installs
  • Green company


  • Limited selection of styles and brands

Pricing: $500 - $900 per window installed

8. Clera Windows

Clera creates stunning wood windows for discerning homeowners who value aesthetics and quality.


  • Custom wood windows
  • Single/double hung, casement, awning, sliding, tilt-turn, shapes
  • Stain and painted finishes


  • Beautiful wood windows
  • Expert craftsmanship
  • Made to order


  • Expensive
  • Longer lead times

Pricing: $800 - $1500 per window installed

9. NorthShield Windows and Doors

NorthShield offers premium vinyl and aluminum windows designed for security, durability, and energy efficiency.


  • Vinyl, aluminum, wood windows
  • Standard and custom sizes
  • Forced entry
  • Impact resistant glass


  • Very secure windows
  • Solid warranties
  • Reliable brands


  • Expensive
  • Mostly standard styles

Pricing: $600 - $1000 per window installed


Why Quality Windows and Doors Matter

Investing in quality replacement windows and doors has several important benefits for your Oshawa home:

  • Energy Efficiency - High-performance windows with advanced glazings, gas fills, and weatherstripping save on heating/cooling costs.
  • Noise Reduction - Contemporary windows block outside noise better, creating peaceful indoor spaces.
  • Security - New windows and doors use improved locking systems and stronger materials.
  • Aesthetics - Updated windows boost your home's curb appeal and give it a fresh new look.
  • Durability - New windows last longer than old ones and stand up better against weather and wear and tear.

Choosing the right window company ensures proper installation and quality products that will provide comfort and performance for decades to come.

Factors to Consider When Choosing a Company

When getting quotes and selecting a window replacement company in Oshawa, keep the following in mind:

  • Experience - Look for an established company with proven expertise. New businesses may have teething issues.
  • Materials - Consider vinyl, wood, aluminum, and fiberglass options. Each has pros and cons.
  • Warranties - Companies that stand behind their products offer warranties of 10-20 years or more.
  • Customer Service - Ensure they have strong reviews for communication and professionalism.
  • Licensed & Insured - Must be licensed and fully insured for installations.
  • Pricing - Get 3+ written estimates. Avoid the cheapest options.
  • Locally Owned - Local businesses understand Oshawa regulations and match windows to your home.

Things to Avoid

Some red flags and things to watch out for when choosing a window company:

  • Quotes that are far cheaper than competitors should raise suspicions about cut corners or low quality.
  • Be wary of high-pressure sales tactics or anyone refusing to provide detailed written estimates.
  • No building permits - Any major window replacement requires proper building permits.
  • Lack of licensing and insurance - Don't risk your home to unlicensed contractors.
  • Limited warranties - At least 10 years of coverage should be expected.
  • Poor communication - Choose a company that is responsive and addresses all your questions.


Replacing your windows is a major investment that can enhance your home's comfort, security, energy efficiency, and resale value when done properly. Take the time to carefully evaluate window companies in Oshawa and choose one that provides quality products, transparent pricing, and professional service.

Consider window styles and brands that best suit your needs. With one of these top local companies handling the installation, you can expect outstanding results from your replacement window project.

Now is a great time to request free quotes and get the process started on installing new windows you'll love. Reach out to a few of these recommended companies today!

Window replacement cost Vancouver

Frequently Asked Questions

What are the most popular styles of replacement windows in Oshawa?

The most popular replacement window styles in Oshawa are double-hung, casement, and slider windows. Double-hung windows are popular for their classic look, while casement windows provide great ventilation. Sliders are affordable and space-efficient.

How much do replacement windows cost in Oshawa?

In Oshawa, expect to pay $400 - $1500 per window for typical sizes depending on materials and options selected. Vinyl and aluminum cost less. Wood and fiberglass are more expensive. Unique custom windows can cost significantly more.

Should I choose vinyl or wood replacement windows?

Vinyl windows are affordable, durable, and energy-efficient, while wood windows offer a classic, natural look. Weigh your budget, style preferences, and maintenance requirements. Vinyl requires less upkeep.

Are permits required to replace windows in Oshawa?

Yes, a building permit from the city is required if replacing a significant number of windows in your Oshawa home. Reputable window companies will ensure necessary permits are obtained.

How long does it take to install replacement windows?

The installation timeframe varies by house size but is typically completed in one day per window opening. Simple slider installations may only take a few hours. Larger custom windows likely require multiple days.

Julia Gurevich
Julia Gurevich

Julia Gurevich is a versatile content writer with a passion for delivering captivating narratives through a diverse and attentive approach. Her eye for detail helps her craft content that resonates with audiences across varied home improvement industries, capturing the perfect balance between information and entertainment. As a content coordinator, Julia takes pride in delivering content that leaves a lasting impact through her ability to navigate seamless content strategies and collaborative projects between teams. In her free time, she enjoys exploring Toronto’s cultural landscape, visiting local parks, and getting to know members of the community through events and activities.

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Reviewed by Bryan Baeumler

1000’s of Colours & Textured Finishes

Transform your home from ordinary to extraordinary with our new coloured and non-glare textured finishes. Available in a wide array of colours as well as custom matched colours for your very own personalized design.

Our Most Popular Replacement Window Colours:

Rainware White Color Swatch
Sandalwood Color Swatch
Brownstone Color Swatch
Commercial Brown Color Swatch
Wedgewood Blue Color Swatch
Pebble Color Swatch
Venetian Red Color Swatch
Iron Ore Color Swatch

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