The Best Energy-Efficient Window Companies in Calgary: Our Top Picks

When it comes to choosing windows for your home in Calgary, energy efficiency is a crucial consideration. Energy-efficient windows not only help reduce your carbon footprint but also provide significant savings on heating and cooling costs. With the wide array of window companies available in Calgary, finding the best energy-efficient options can be overwhelming. To help you make an informed decision, we have compiled a list of our top picks for energy-efficient window companies in Calgary. Read on to discover the companies that excel in providing sustainable and high-performance windows.

1. EcoWindows

EcoWindows is a leading window company in Calgary that specializes in energy-efficient solutions. They offer a wide range of windows that are designed to maximize thermal insulation, minimize heat transfer, and reduce energy consumption. EcoWindows’ products are ENERGY STAR® certified, meeting strict energy efficiency guidelines. Their windows are constructed with advanced technologies, such as low-emissivity glass coatings and multiple panes with argon gas fillings, to enhance insulation and thermal performance. With their commitment to sustainability and exceptional energy-efficient products, EcoWindows is a top choice for environmentally conscious homeowners in Calgary.

2. GreenTech Windows and Doors

GreenTech Windows and Doors is dedicated to providing energy-efficient and sustainable window solutions in Calgary. They offer a range of windows that are engineered to meet the highest energy performance standards. GreenTech’s windows feature low-E glass coatings, warm-edge spacers, and innovative framing materials to enhance thermal efficiency and reduce heat loss. Additionally, their windows are designed to maximize natural light while minimizing UV rays, ensuring optimal energy balance and indoor comfort. With their emphasis on energy efficiency and innovative design, GreenTech Windows and Doors stands out as a trusted provider of eco-friendly windows in Calgary.

3. Sustainable Windows & Doors

As the name suggests, Sustainable Windows & Doors is committed to offering sustainable and energy-efficient window options in Calgary. They provide a comprehensive range of windows that prioritize energy conservation and environmental responsibility. Sustainable Windows & Doors’ products feature high-performance glass packages, advanced weatherstripping, and durable frames that minimize air leakage and heat transfer. Their windows are tested and certified for energy efficiency, ensuring optimal insulation and reduced energy consumption. With their focus on sustainable practices and energy-saving technologies, Sustainable Windows & Doors is a top contender for energy-efficient window solutions in Calgary. For a detailed comparison of window installation services, see this article.

best windows company

4. EnergySavers Windows and Doors

EnergySavers Windows and Doors is a reputable company that specializes in energy-efficient windows for homeowners in Calgary. They offer a diverse selection of windows that combine aesthetic appeal with superior thermal performance. EnergySavers’ windows are equipped with advanced features such as low-E glass coatings, gas-filled insulated units, and thermally optimized frames. These features work together to minimize heat loss, reduce condensation, and enhance overall energy efficiency. With their commitment to energy savings and customer satisfaction, EnergySavers Windows and Doors is a reliable choice for energy-efficient windows in Calgary.

5. ClimateGuard Windows and Doors

ClimateGuard Windows and Doors is known for providing high-quality, energy-efficient windows in Calgary. They offer a range of windows that are designed to withstand the city’s diverse weather conditions while maximizing energy efficiency. ClimateGuard’s windows feature double or triple glazing, low-E coatings, and thermally broken frames to ensure optimal insulation and minimize heat transfer. Their windows are also engineered to provide excellent noise reduction and enhanced security. With their focus on durability, energy efficiency, and customer service, ClimateGuard Windows and Doors has earned its place among the top energy-efficient window companies in Calgary.


Investing in energy-efficient windows is a wise decision for homeowners in Calgary who seek to reduce their environmental impact and save on energy costs. The companies mentioned above, including EcoWindows, GreenTech Windows and Doors, Sustainable Windows & Doors, EnergySavers Windows and Doors, and ClimateGuard Windows and Doors, offer exceptional products that prioritize sustainability, energy efficiency, and performance. Whether you’re looking for advanced glass coatings, superior insulation, or innovative framing materials, these companies have proven their expertise in providing energy-efficient window solutions. Consider your specific needs, budget, and sustainability goals when selecting a window company, and trust in the expertise of these top picks for energy-efficient windows in Calgary.