What Top-Rated Window Brands Are Recommended for Canadian Homes in 2026?

Top window brands in Canada are known for strong homeowner reviews, clear warranties, and reliable supply-and-install services. 

Brands with high ratings on Google, HomeStars, and the BBB, and with transparent warranties, include Ecoline Windows, Window Mart, Canadian Choice, Verdun, GreenFox, Weather Pro, and Nordik.

This guide compares these companies using the same decision factors Canadian homeowners use when planning window, door, or full renovation projects.

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Why Choosing the Right Window Brand Matters in Canada

Windows play a key role in comfort, energy efficiency, and long-term maintenance. Natural Resources Canada says up to 35% of a home’s heat loss can happen through windows, doors, and skylights. Poor installation or low-quality windows can lead to drafts, condensation, and higher energy bills.

Most Canadian homeowners choose supply-and-install companies instead of buying windows themselves.

The brand then takes care of the product, measurements, installation quality, and after-sales service. This makes reviews, complaints, and warranty terms just as important as the windows.

How “Top-Rated” Window Brands Are Evaluated in This Guide

This ranking uses trust signals that matter most to homeowners, not just marketing claims.

Key evaluation factors include:

• Google Reviews: average rating and review volume (noting that ratings vary by branch)
• HomeStars Ratings: long-form homeowner feedback and verified project reviews
• BBB Records: accreditation status and complaint patterns
• Warranty Coverage: length, transferability, and labour inclusion
• Product & Service Scope: windows, doors, patio doors, blinds, and installation
• Price Positioning: realistic installed price ranges, not “starting from” ads

No single factor determines the ranking. Instead, brands are rated on how consistent they are across different platforms.

Quick Comparison: 7 Top Supply-and-Install Window Companies in Canada

Note: Google ratings can vary by branch and location. The review counts shown are from public snapshots, not a single national average. The number of complaints is shown based on the BBB profiles and their statistics for the last 3 years.

1. Ecoline Windows and Doors

We are a full-service supply-and-install window replacement company serving homeowners across Canada. With branches in seven provinces and over 30 cities, our company focuses on delivering consistent quality at scale without sacrificing detail or performance.

We focus on full-frame vinyl window replacement, designed specifically for Canadian homes and climate conditions. Every window we install is custom-made, ensuring a precise fit, proper sealing, and long-term durability.

Energy efficiency is central to our approach, which is why our window systems are engineered to meet Energy Star requirements for the Canadian harsh climate, with triple-pane glass configurations commonly used across our product lines.

Ecoline also supplies and installs steel and fibreglass entry doors, as well as modern patio door systems, including stacking patio doors for wide openings and contemporary homes. We continue to develop our products, with recent upgrades such as security glass windows that improve safety without sacrificing performance or style.

Homeowners frequently highlight our attention to detail, professional installation crews, and clear communication throughout the project. This commitment is reflected in our review profile, with an average Google rating of 4.8 across all locations, supported by thousands of verified reviews.

To complete the renovation experience, we also launched our own blinds and shades manufacturing, offering high-quality, long-lasting, motorized solutions that integrate seamlessly with our windows.

• Locations served: Multi-province presence across Canada (Western, Central, and Eastern regions). Available in 7 provinces and over 30 big cities
• Windows and doors manufacturing based in Ontario
• Blinds manufacturing based in Calgary, Alberta

2. Window Mart

Window Mart is a supply-and-install company known for quick project turnaround and standard replacement solutions. The company operates through regional branches and focuses on streamlined processes, which appeals to homeowners who want minimal disruption and clear timelines.

They primarily use vinyl window systems and offer all popular styles, including casement, awning, sliders, picture windows, and bay windows. Many reviews mention on-time installations, clean job sites, and clear scheduling.

Window Mart offers a 25-year warranty, with terms varying by product and region, so it’s recommended to double-check on that with their local representative. The company’s prices are mid-range, avoiding both entry-level and luxury pricing.

ENERGY STAR® compliance is standard across its core product offerings, and triple-pane options are available for homeowners prioritizing insulation performance.

• Best known for: fast lead times, solid installation crews
• Best fit: standard replacements, time-sensitive renovation projects
• Locations served: Alberta, British Columbia, Saskatchewan, and Ontario

3. Canadian Choice Windows & Doors

Canadian Choice is one of the largest window replacement companies in Canada, with a strong presence in several provinces. The company uses a high-volume supply-and-install model, serving both individual homeowners and large renovation projects.

This window replacement company offers vinyl windows, patio doors, and entry doors, with triple-pane glass available in many options. They focus on energy efficiency and affordability, aiming to balance performance and cost.

The company offers a transferable 25-year warranty, depending on the product, and provides financing options for larger projects. Reviews often mention competitive pricing and a wide selection, but service quality can vary by crew.

Canadian Choice products are built to comply with ENERGY STAR® standards for Canada, and the company markets itself heavily toward homeowners upgrading for comfort and resale value rather than architectural customization.

• Best known for: scale, financing options, broad availability
• Best fit: multi-window projects and budget-aware renovations
• Locations served: National coverage with operations in 6 Canadian provinces.

4. Verdun Windows and Doors

Verdun stands out for its consultation-driven, design-focused approach. Homeowners, designers, and renovators often choose Verdun when they want more control over the look, proportions, and fit of their windows.

Their team offers many window styles, including casement, awning, picture, and specialty options, as well as entry and patio doors. Vinyl is the main material, but Verdun pays extra attention to visual details, trim, and how the windows look on the whole house to match local Ontario home designs.

The company offers a 25-year warranty. Reviews often mention their professionalism during planning and attention to detail during installation.

Verdun products meet ENERGY STAR® performance requirements, and triple-pane options are available for energy-focused projects. Pricing typically sits in the upper range, reflecting the additional planning and customization involved.

• Best known for: design consultation, visual refinement
• Best fit: architecturally sensitive renovations and custom projects
• Locations served: Ontario

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5. GreenFox Windows & Doors

GreenFox is a local Alberta brand focused on energy-efficient window installation in Calgary, Edmonton, and nearby areas. The company mainly uses vinyl windows and highlights modern construction and sealing methods.

Their product range includes all standard window styles and promotes ENERGY STAR® compliant products as a baseline. Triple-pane glass is common, supporting the brand’s focus on insulation.

Reviews often mention smooth installations and good communication, especially about preparation and cleanup. GreenFox offers a lifetime window warranty and a 10 years warranty for exterior doors, but homeowners should check the details about labour and service coverage.

GreenFox tends to sit in the mid-range, offering solid performance without the premium cost of highly customised solutions.

• Best known for: energy-efficiency messaging, consistent install feedback
• Best fit: homeowners prioritising comfort and thermal upgrades
• Locations served: Alberta

6. Weather Pro Windows & Doors

Weather Pro is a large, established supply-and-install company operating across Canada, with over 24 years of experience. The company is a high-volume installer and reports having completed more than 30,000 installations, with 94% client satisfaction, showing its scale and long-term presence in the Canadian window replacement market.

Weather Pro offers a full range of vinyl windows and exterior door solutions, serving homeowners looking for practical, energy-efficient replacements rather than highly customised architectural projects. The company promotes ENERGY STAR® compliant products and positions itself toward homeowners seeking a balance between performance and competitive pricing.

Customer reviews often mention Weather Pro’s experience and ability to handle large or multi-opening projects. However, some reviews note that post-installation service can be inconsistent, with delays or difficulty reaching regional representatives for follow-up service.

Weather Pro remains a recognisable national brand, but homeowners are advised to clarify service response timelines and warranty service procedures.

• Best known for: pricing flexibility, financing programs, a wide range of products
• Locations served: National coverage, servicing 6 provinces and multiple cities

7. Nordik Windows & Doors

Nordik stands out for its clear warranties and organised service process. The company has an impressive number of reviews, especially for its Mississauga profile, with an average rating of 4.5 based on over 3,800 local reviews. Homeowner feedback often highlights Nordik’s professionalism and transparency.

Nordik supplies and installs vinyl windows and doors in standard styles that fit most homes. The company offers a 25-year “No-Bull” warranty, which clearly covers both parts and labour, so homeowners know exactly what’s included.

ENERGY STAR compliance is standard across Nordik’s window offerings, and the company positions itself toward homeowners who value documentation, clearly defined responsibilities, and predictable outcomes.

• Best known for: warranty transparency, structured service
• Best fit: homeowners prioritizing long-term coverage and clarity
• Locations served: Ontario

How to Choose the Right Window Brand for Your Home (Step-by-Step Checklist)

When choosing a window brand in Canada, start with real performance data, not just marketing claims. Since windows can cause up to 35% of a home’s heat loss, energy efficiency should be your top priority, followed by installation quality and clear warranties.

Step 1: Verify energy performance, not just “ENERGY STAR” labels

ENERGY STAR certification is a baseline, not a differentiator. Homeowners should compare:

• U-factor (lower is better for heat retention)
• Energy Rating (ER) used in Canada (minimum 34)
• Whether the brand offers ENERGY STAR “Most Efficient” models
  Brands that clearly share these numbers make it easier for you to compare, rather than relying on vague promises about efficiency.

Step 2: Confirm glass configuration and climate suitability

Ask if triple-pane glass is standard or optional, and find out how it performs in cold weather, including condensation resistance, Low-E coatings, and gas fills.

Step 3: Review installation scope and standards

Even the best window won’t work well if it’s installed poorly. Make sure to check:

• Full-frame vs insert installation
• Air sealing and insulation methods
• Compliance with Canadian installation standards (e.g., CSA practices)

Step 4: Understand warranty and service responsibility

Look for warranties that clearly cover both the product and labour, and make sure they include clear service timelines.

Step 5: Review financing and total project cost

If financing is available, check the interest rates, fees, and whether you qualify for any energy-efficiency programs or government rebates for windows and doors.