That’s why investing in high-performance, energy-efficient windows is more than a standard home upgrade; it’s a way to boost thermal performance by up to 25% and keep your home comfortable year-round.
But with so many options, comparing window replacement brands can feel overwhelming. That’s why this expert guide breaks down Calgary’s top window companies, from product quality and energy efficiency to warranty and real customer reviews. Use this list to compare, get quotes, and choose the best fit for your project.
Top-8 Window Companies in Calgary: Side-By-Side Comparison
1. Ecoline Windows Calgary
Ecoline Windows consistently ranks as one of Calgary’s most trusted window replacement companies, and for good reason. They specialise in 100% Canadian-made, energy-efficient windows built to handle Alberta’s wild weather, offering triple-pane glass as a standard feature for better insulation and lower energy bills. Homeowners appreciate that Ecoline provides a wide range of styles, custom sizes, and modern finishes to match different architectural looks.
Beyond the product, Ecoline stands out for transparent quoting, solid communication, and detailed installations that follow CSA standards. Their Google and BBB reviews back this up, often highlighting friendly crews and tidy job sites.
For homeowners seeking reliable performance, clear warranty coverage, and expert guidance on local rebates, Ecoline stands out as one of the best contractors for window or door upgrades in Calgary.
To schedule a free consultation, contact them at ecolinewindows.ca or visit their local showroom located at 5925 12 St SE #17, Calgary, AB, Canada, T2H 2M3.
2. Window Mart Windows
Window Mart is a well-known name across Alberta, popular with Calgary homeowners who want flexible options for windows and doors. They offer a broad product line, from standard vinyl to custom shapes and styles, and are praised for accommodating unique architectural designs.
Many reviews highlight their in-house installation teams and solid financing plans, which can make bigger projects more manageable. On the flip side, some customers note that communication during busy seasons can be hit or miss, so it pays to stay in touch throughout the process.
To schedule a free consultation, contact them or visit their local showroom located at 4824 52 St. SE, Calgary, AB T2B 3R2.
3. Greenfox Windows
Greenfox Windows has carved out a strong reputation in Calgary for combining good quality with competitive pricing. They offer Energy Star–rated vinyl and triple-pane options designed to boost energy efficiency through harsh Alberta winters.
Many homeowners like that Greenfox provides a lifetime transferable warranty, adding extra peace of mind when it’s time to sell. Their teams are known for quick, tidy installs and flexible financing. Some client reviews mention that scheduling can get tight during peak renovation months, so it’s smart to book well in advance.
To schedule a free consultation, contact them or visit their local showroom located at 5720 Burbank Crescent SE, Calgary, AB T2H 2Z4.
4. Canadian Choice Windows
Canadian Choice Windows is a familiar pick for Calgary homeowners wanting a mix of affordability and solid energy performance. They’ve been in the industry for over 25 years and maintain an A+ rating with the BBB, which helps build trust.
Their vinyl and triple-pane windows meet Energy Star standards, and the company offers a transferable lifetime warranty on most products. Reviews often praise their responsive quoting and quick installation crews, though some note upselling can happen.
To schedule a free consultation, contact them or visit their local showroom located at 7121 104 Ave SE, Unit 149, Calgary, AB T2C 5C6.
5. Lux Windows
Lux Windows has been serving Calgary for over 50 years and is well-regarded for its premium custom builds. They specialise in beautifully crafted windows and doors that suit higher-end renovations, with options for wood-clad and hybrid frames alongside classic vinyl. Homeowners appreciate their detailed workmanship and tailored designs that boost curb appeal and property value.
Lux carries an A+ BBB rating and stands behind its products with strong warranties, often 20 years or more, depending on the window type. However, homeowners should expect a bigger investment upfront.
To schedule a free consultation, contact them or visit their local showroom located at 6875 9 St NE, Calgary, AB T2E 8R9.
6. Western Windows
Western Windows is a Calgary-based manufacturer that’s been around since the 1970s, making them a familiar name for local homeowners. They focus on custom vinyl windows and doors designed specifically for Alberta’s climate, with double- and triple-pane options available. Customers like that they handle manufacturing and installation in-house, which helps maintain quality control. Reviews often mention friendly installers and clear timelines, though the product range isn’t as wide as some bigger competitors.
To schedule a free consultation, contact them or visit their local showroom located at 4858 50 Ave NE, Calgary, AB T3J 4L8.
7. Window Seal West Windows
Window Seal West is a family-run company with more than 2 decades in the window replacement market. They manufacture vinyl windows, which helps keep costs reasonable for homeowners wanting standard styles or custom sizes. Their Energy Star–rated windows are built for Alberta’s variable temperatures, and they offer triple-pane upgrades for extra comfort.
Many customers appreciate their quick turnaround times and personable crews. A few reviews point out that communication during larger projects can vary, so staying in touch is key.
To schedule a free consultation, contact them or visit their local showroom located at 4447 46 Ave SE, Unit 131, Calgary.
8. WeatherPro Windows
WeatherPro Windows serves Calgary and other Alberta cities with a focus on energy-efficient vinyl windows and doors. They highlight their Energy Star–certified products and multi-chambered frames for extra insulation, which is handy for Calgary’s winter cold snaps. Many homeowners note that their team is easy to work with and good at explaining rebate options.
They also maintain an A+ BBB rating, adding confidence for first-time buyers. Some reviews mention that warranty details can be a bit complex, so it’s worth double-checking the paperwork.
To schedule a free consultation, contact them or visit their local showroom located at 5329 72 Ave SE #34, Calgary, AB T2C 4X
This content was written and supplied by Ecoline Windows.
