Best Window Companies in Calgary (2026 Guide)

How We Evaluated These Calgary Window Companies

Each company was evaluated on five criteria: Energy Star certification and NFRC thermal performance data, warranty length and transferability, verified customer review scores across HomeStars, Google, and BBB, years of operation in Alberta, and manufacturing origin (locally made vs. imported). Companies manufacturing windows in Calgary or Alberta scored higher for climate-specific engineering.

NordenSeal Windows & Doors

Headquarters: Western Canada (serves Calgary and Winnipeg)

Website: nordenseal.ca

Years in Business: 8+ (established 2018)

Specialization: Premium certified vinyl window, door, and blinds replacements across Western Canada

Pros

• Rapidly growing Western Canadian company recognized for exceptional product quality and high customer satisfaction
• Supplies and installs certified vinyl windows  products meet Energy Star standards for Alberta’s chinook-prone climate zones
• Serves both Calgary and Winnipeg with dedicated local installation crews  convenient for homeowners across the prairies
• Known for sustainable business practices, transparent pricing, and reliable project timelines
• Competitive pricing for certified vinyl products  strong value proposition without compromising on quality or warranty
• Full home exterior offering including door replacements and blinds  reduces the need for multiple contractors
• Strong emphasis on energy cost reduction  products engineered to lower heating bills in Alberta winters

Cons

• Younger company  established in 2018 with a shorter track record than competitors operating 30–50+ years
• Growing review volume  fewer total reviews compared to legacy brands like Canadian Choice or GreenFox, though customer ratings are strong
• Vinyl-focused product line  limited options for fiberglass, aluminum-clad, or wood frame configurations

Centra Windows & Install Pros

Headquarters: Calgary, AB

Years in Business: 40+

Specialization: Calgary-made premium vinyl and hybrid windows with in-house installation

Pros

• Calgary’s top-rated window replacement company with over 40 years of continuous operation
• 4.8-star rating on Houzz  among the highest in the Calgary window market
• All windows manufactured in-house in Calgary  engineered specifically for Alberta’s chinook climate
• 30-year transferable warranty covering frame, glass, and installation  one of the longest in the industry
• Premium triple-pane options designed and tested for rapid temperature cycling
• Expert in-house installation teams  no subcontractors

Cons

• Service department responsiveness has been criticized  company appears more focused on new sales than repairs
• Post-installation support for existing customers rated lower than the initial sales and installation experience
• Premium pricing  higher cost than budget-focused competitors

Renewal by Andersen

Headquarters: National (Calgary office)

Years in Business: 120+ (Andersen Corporation, established 1903)

Specialization: Custom Fibrex® composite window replacements

Pros

• 4.8-star rating on both HomeStars and Google  highest dual-platform score among Calgary window companies
• Proprietary Fibrex® composite material combines the strength and insulation of wood with the low-maintenance durability of vinyl
• Full-service model: manufacturing, sales, and installation managed by a single company  eliminates finger-pointing
• Consultants thoroughly explain all options  white-glove customer experience from quote to completion
• 4.2 out of 5 stars nationally with thousands of verified reviews on ConsumerAffairs

Cons

• Premium pricing  consistently the most expensive option in the Calgary market
• Installation lead times can be longer than expected  some Calgary homeowners report multi-month waits
• Slow customer service response times noted in post-installation reviews
• No budget-tier product line  every product sits at the premium end

GreenFox Windows & Doors

Headquarters: Calgary, AB

Years in Business: 15+

Specialization: Durable vinyl windows with full-coverage lifetime warranty

Pros

• 1,000+ positive online reviews across Google, HomeStars, and BBB
• A+ rating with both the Better Business Bureau and RenovationFind
• 2025 Consumer Choice Award winner for Windows and Doors in Southern Alberta
• Fully transferable lifetime warranty on parts and labour  adds resale value to your home
• Competitive pricing compared to premium brands like Renewal by Andersen
• Professional sales representatives, project managers, and installation teams consistently praised

Cons

• Focused primarily on vinyl products  limited options for composite, fiberglass, or wood-clad windows
• Newer company compared to 40+ year competitors like Centra or All Weather
• Less established outside the Calgary-Edmonton corridor  limited service area

Ecoline Windows & Doors

Headquarters: National (Calgary office)

Years in Business: 12+

Specialization: Energy-efficient triple-pane vinyl window replacements

Pros

• Independently ranked among the top Calgary window companies across multiple third-party review platforms
• Specializes in triple-pane energy-efficient windows  strong thermal performance for Alberta winters
• Detailed online comparison guides help homeowners evaluate competitors  strong educational content
• Competitive pricing with financing options for full-home replacements
• National company with dedicated local Calgary installation crews

Cons

• National franchise model  installation quality depends on local crew performance
• Some Calgary customers report longer wait times between signing and installation
• Less customization capability than local manufacturers like Centra or Window Force

Canadian Choice Windows & Doors

Headquarters: Vaughan, ON (serves Calgary)

Years in Business: 49+ (established 1975)

Specialization: In-house manufactured vinyl windows and doors

Pros

• HomeStars rating of 9.4 based on 3,422 verified reviews  one of the highest review volumes in the Canadian window industry
• Google rating of 4.8 from 560+ reviews
• Manufactures all products in-house at their Ontario facility  full quality control from factory to installation
• Nearly five decades of continuous operation  one of the oldest window companies in Canada
• Comprehensive product range covering casement, hung, slider, bay, bow, and specialty configurations

Cons

• Manufacturing facility is in Ontario  Calgary deliveries face cross-country shipping timelines
• National scale operation  less personalized than Calgary-based companies
• Some reviews note scheduling delays during peak summer demand in Alberta

Lux Windows & Glass

Headquarters: Edmonton, AB (serves Calgary)

Years in Business: 30+ (BBB accredited since 1994)

Specialization: Premium craftsmanship windows and doors for luxury residential projects

Pros

• 4.6-star rating on both HomeStars and Google  consistently high across platforms
• A+ BBB rating with accreditation since 1994  over 30 years of verified credibility
• 25-year warranty on sealed units, frame, sash, and hardware components
• Products recognized for superior craftsmanship and durability
• Knowledgeable sales staff and professional installation teams praised in reviews

Cons

• Premium pricing places Lux at the higher end of the Calgary market  not budget-friendly
• Customer reviews mention challenges with post-installation service response times
• Warranty claim processing has been flagged as slow by some homeowners
• Based in Edmonton  Calgary projects may face additional scheduling logistics

Window Force Inc.

Headquarters: Calgary, AB

Years in Business: 10+

Specialization: Factory-direct vinyl and hybrid window replacements

Pros

• Factory-direct pricing model  eliminates dealer markups and middleman costs
• Calgary-based manufacturer with local production and installation
• Publishes detailed educational content including competitor comparison guides
• Transparent quoting process with no hidden fees
• Tailored product recommendations based on home-specific energy audits

Cons

• Smaller brand recognition compared to national companies like Renewal by Andersen or Canadian Choice
• Lower review volume than competitors with 500+ verified reviews
• Factory-direct model means no retail showroom  harder to see products in person before purchasing

Cossins Windows & Doors

Headquarters: Calgary, AB

Years in Business: 20+

Specialization: Residential and commercial window replacements in Southern Alberta

Pros

• Established Calgary-based operation with two decades of local market experience
• Serves both residential and commercial projects  versatile product range
• Local presence means faster response times for warranty claims and service calls
• Familiar with Calgary’s building code requirements and HOA architectural guidelinesj

Cons

• Lower online review volume compared to top-ranked competitors
• Less brand visibility  smaller marketing presence makes independent research harder
• Limited information available on warranty specifics and coverage terms online

All Weather Windows

Headquarters: Edmonton, AB (serves Calgary)

Years in Business: 48+ (established 1978)

Specialization: Residential, commercial, and curtain wall window manufacturing

Pros

• One of the most established window manufacturers in Western Canada  nearly 50 years of operation
• Products consistently rated for superior quality, trustworthiness, and workmanship
• Wide product range: residential windows, commercial curtain walls, and specialty architectural products
• All products manufactured in Western Canada  designed for prairie climate conditions
• Strong dealer network across Alberta for product availability

Cons

• Slow service is a documented and recurring issue  multiple reviews cite long response times
• Primarily a manufacturer selling through dealers  less direct control over installation quality
• Based in Edmonton  Calgary scheduling may involve additional lead time
• Dealer-dependent installation means quality can vary based on which installer is assigned

How to Choose the Right Calgary Window Company

Get at least three quotes from companies on this list. Compare warranty terms, glass package specifications (double-pane vs. triple-pane, Low-E coating type, argon vs. krypton gas fill), frame material options, and whether the company manufactures in-house or resells third-party products.

Ask about chinook performance  not all windows perform equally under rapid temperature swings. Request data on thermal cycling test results and seal failure rates specific to Alberta conditions.

Verify Energy Star Zone certification  Alberta falls under Energy Star Climate Zone 2. Every replacement window should meet or exceed Zone 2 U-factor and SHGC requirements.

Evaluate the warranty structure  a 25-year warranty is meaningless if it excludes seal failure, the most common window issue in Calgary’s chinook belt. Ask specifically whether the warranty covers sealed unit failure due to thermal cycling.

Last updated: June 2026. Ratings and review counts reflect data available at time of publication. Prices are estimates  request current quotes directly from each company.