10 Best Window Companies in Winnipeg (2026 Guide)

For Winnipeg homeowners, window replacement provides one of the highest returns on investment. Unlike kitchen cabinets or flooring, modern windows deliver significant value by increasing energy-efficiency and lowering energy bills.

The local climate is harsh, with winters often dropping to -25°C, and summer humidity can damage window seals and frames. Inefficient windows can lead to significant heat loss of up to 25-30%. On the other hand, upgrading to high-performance windows can lower annual energy bills by about 10-15%, depending on your home’s age and condition.

Hence, window replacement is not just about appearance. It’s more about long-term savings, peace of mind and comfort.

Winnipeg has over 40 window contractors. Some manufacture their own products, others resell, and some use subcontractors for installation. Many appear similar, with brochures emphasizing efficiency, websites showcasing triple-pane glass, and mixed customer reviews.

So, for homeowners, choosing the right company can get overwhelming.

This guide compares 10 leading window companies in Winnipeg, evaluating their reputation, reviews, manufacturing control, warranty terms, and product options to help you make an informed decision.

By providing your phone number and email, you consent to receive calls, texts, and emails regarding your request, including follow-ups and updates. Text HELP for help or STOP to cancel. Message and data rates may apply. Message frequency varies. For more information please check our privacy policy.

+1 (866) 644 6418

What Actually Matters in Winnipeg’s Climate

Before reviewing each company, it is important to understand what distinguishes a quality window provider in Winnipeg. Prairie homes deal with:

• Extreme seasonal temperature swings
• Heavy condensation risks
• Ice buildup around frames
• High heating demand during long winters

That’s why reliable window companies in Winnipeg should come up with the following key performance factors:

• Triple-pane insulated glass units
• Low-E coatings suitable for cold climates
• Argon or krypton gas fills
• Proper installation and air sealing
• Long-term warranties
• Adequate post-installation support
• Windows with Energy Ratings of at least 34 and a low U-factor

Top 10 Window Replacement Companies in Winnipeg: Comparison Table

1. Ecoline Windows

We are a Canadian window manufacturer with more than 20 years of experience in residential replacement projects. Over 100,000 successful window replacement projects have been completed, with hundreds of thousands of windows installed across Canada.

These figures reflect our consistent performance, not just marketing.

We know the Winnipeg climate well, with its long winters, big temperature swings, and ongoing condensation risks. Our vinyl windows are built to handle these tough prairie conditions, which is why homeowners often praise our triple-pane windows.

Unlike contractors who only resell, we manufacture our own energy-efficient windows and use trained in-house crews for installation. This ensures full control over both product quality and installation, resulting in optimal performance in your home.

All our products are made in Canada and Energy Star certified, making them a great fit for Winnipeg homes and the local climate.

Homeowners may also work with us through nationally recognized retailers such as Costco and Home Depot. Few window companies achieve these partnerships, as large national brands require strict supplier evaluations before endorsing another company.

Being the best service provider for windows demonstrates operational stability, consistent installation standards, and a strong reputation developed over many years.

Why Ecoline?

• Triple-pane glass as a standard configuration
• Canadian-made windows
• Partnership with Costco
• Best Service Provider awarded by Home Depot
• In-house installation teams
• 25-year warranty covering both product and labour
• Projects verified by Master Certified Home Inspectors
• Help with local government rebate and loan programs

2. Canadian Choice Windows

Canadian Choice is a large national manufacturer operating in multiple provinces across Canada. Their presence in Winnipeg is supported by a recognizable brand name and a broad product catalogue.

They position themselves as a mid-to-upper segment provider, offering vinyl window systems designed for cold climates. Like several larger brands, they emphasize energy efficiency and customization.

Highlights of Canadian Choice:

• Wide selection of vinyl window styles
• Many energy-efficient window features
• National manufacturing footprint
• Established review presence
• Transferable warranty options

Their national presence and recognizable brand appeal to many homeowners. Larger companies typically offer established processes, organized sales teams, and consistent products.

Canadian Choice is often compared to other manufacturer-direct companies in Winnipeg. For those seeking a reputable brand with a broad selection and mid-to-premium options, they are a strong choice.

3. Korsun Windows

Korsun is a local manufacturer recognized for vinyl window systems with a distinct architectural focus. While many companies offer standard replacements, Korsun emphasizes design flexibility and reinforced construction.

They manufacture their own products and provide installation services, ensuring alignment between production and installation.

Korsun is popular among homeowners seeking customized windows, particularly for renovations requiring structural changes or larger window openings.

Highlights of Korsun:

• Local manufacturing operation
• Reinforced vinyl frame construction
• Custom sizing and styles

They typically serve the mid-range market and often handle full-home window replacements rather than single-window projects.

4. Norden Seal Windows

Norden Seal is a regional window and door replacement company serving Winnipeg and nearby metropolitan areas. They supply and install their own certified vinyl windows, emphasizing energy efficiency and service reliability.

Unlike national brands, Norden Seal serves only the local market and provides custom vinyl windows designed for cold climates. Their windows feature multi-chamber frames and energy-efficient glass, with triple-pane options to enhance insulation and reduce winter heat loss.

Highlights of Norden Seal:

• Focus on the local market
• Energy Star-rated windows with high insulation performance
• Vinyl frame systems with multi-chamber construction
• Solid customer review presence in local listings

Norden Seal’s warranty covers both the frame and the insulated glass. Their installation teams ensure compliance with local building codes.

5. NorthShield Windows

NorthShield is another manufacturer-direct company serving Manitoba and Alberta. They promote their products as engineered specifically for prairie climates, with a focus on durability. Triple-pane glass is available, and energy performance is a key focus of their positioning.

NorthShield is a good choice for homeowners who need to replace old wood or early vinyl windows with issues such as condensation, drafts, or warped frames.

Highlights of NorthShield:

• Manufacturer-direct supply and installation model
• Energy Star–rated vinyl windows
• Multi-chamber frame construction
• Established regional presence

By providing your phone number and email, you consent to receive calls, texts, and emails regarding your request, including follow-ups and updates. Text HELP for help or STOP to cancel. Message and data rates may apply. Message frequency varies. For more information please check our privacy policy.

+1 (866) 644 6418

6. Green Brand

Green Brand emphasizes energy efficiency and environmental benefits, highlighting reduced heat loss, improved insulation, and sustainable window replacements.

They are dealers, installing products from other major brands, such as North Star, which offer vinyl window systems for cold climates; hence, the warranty varies by manufacturer.

Highlights of Green Brand:

• Energy-focused positioning
• Products from well-known manufacturers
• Cold-climate glass packages
• Growing regional review presence

They generally compete in the mid-range market, with final pricing determined by glass type and installation complexity.

7. Arctic Star Windows

Arctic Star is a Manitoba-based window manufacturer which is relatively new to the local market. According to the Better Business Bureau, they’ve been in business since 2021. They focus primarily on vinyl window production and residential replacement projects.

Their products are designed for prairie conditions, featuring insulated glass units and reinforced frames for cold-weather performance. Arctic Star serves both contractors and homeowners, providing manufacturing and distribution throughout the region.

They prioritize practical, performance-driven windows over premium or design-focused options.

Highlights of Arctic Star:

• Manitoba-based manufacturing
• Experience supplying contractors and homeowners
• Wide range of popular window styles

8. SmartTech Windows

SmartTech provides practical window replacement solutions that focus on value and help homeowners improve efficiency without premium costs.

SmartTech typically provides set packages and straightforward replacement options, with limited customization.

Highlights of SmartTech:

• Energy-efficient glass configurations
• Competitive package-based pricing
• Regional installation crews
• Moderate and growing review presence

They primarily assist homeowners seeking to replace old vinyl or wood windows to improve functionality within a set budget.

9. Weather Pro Windows

Weather Pro is another big window brand with branches in all major cities across Canada, including Winnipeg. They claim to have 24 years of experience and 30,000+ successful installations.

They offer all popular vinyl window styles for cold climates and provide comprehensive replacement services, including removal and disposal of old units. They emphasize reliable service and practical installation.

Highlights of Weather Pro:

• Well-known big brand
• Frequent discounts
• Energy-efficient glass packages
• Full removal and replacement services
• Established local presence

10. Hi-Tech Energy Windows

Hi-Tech Energy specializes in window replacements that enhance efficiency. As their name suggests, thermal performance is central to their brand and products.

They offer standard insulated glass packages with Low-E coatings and gas fills, with triple-pane options for enhanced insulation.

Hi-Tech Energy frequently manages retrofit projects for older homes with common issues such as air leaks and condensation.

Highlights of Hi-Tech Energy:

• Energy-focused product positioning
• Retrofit project experience
• Regional service presence
• Serving throughout Manitoba