• Jul 22, 2023
  • 6 min
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Windows in Calgary

Windows in Calgary

The Best Windows in Calgary’s Climate 

Calgary, with its unique climate, requires homeowners to carefully select windows that can withstand extreme temperatures while maximizing energy efficiency and enhancing the aesthetic appeal of their homes. In this homeowner’s handbook, let’s explore the best windows in Calgary‘s climate and provide valuable insights to help you make informed decisions.

Understanding Calgary’s Climate: 

Calgary experiences a semi-arid climate with cold winters and warm summers. The city is known for its fluctuating temperatures, ranging from sub-zero temperatures in winter to hot temperatures in summer. Additionally, Calgary receives moderate precipitation throughout the year, including snowfall in winter. These weather conditions necessitate windows that can provide insulation, durability, and energy efficiency.  

Importance of High-Quality Windows in Calgary:

Investing in high-quality windows is crucial for Calgary homeowners. Windows act as a barrier as well as connector between the interior and exterior environment, affecting & modulating energy efficiency, indoor comfort, and overall home value. With Calgary’s climate, windows must offer effective insulation to keep the cold out during winter and prevent heat from entering during summer. High-quality windows can also reduce noise transmission, enhance security, and contribute to the visual appeal of your home. 

Energy Efficiency: A Key Consideration: 

Energy efficiency is a significant factor to consider when selecting windows for Calgary’s climate. Energy-efficient windows can significantly reduce heating and cooling costs, minimize energy waste, and lower your carbon footprint. They are designed to provide better insulation, reduce air leakage, and prevent heat transfer, keeping your home comfortable throughout the year. By investing in energy-efficient windows, homeowners can save money on energy bills and contribute to a more sustainable environment. 

Types of Windows for Calgary Homes:

There are various window styles available, each with its own advantages and suitability for Calgary’s climate. Let’s explore some of the popular window types:


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#1 Single-Hung Windows:

Single-hung windows feature a fixed upper sash and a lower sash that can be opened vertically. They are easy to operate, provide good ventilation, and offer improved energy efficiency compared to older window styles.

#2 Double-Hung Windows:

Double-hung windows are similar to single-hung windows but with the added advantage of both the upper and lower sashes being operable. This allows for increased airflow and ease of cleaning.

#3 Casement Windows:

Casement windows are hinged on one side and open outward with the help of a crank mechanism. They provide excellent ventilation and a tight seal when closed, making them energy-efficient and suitable for Calgary’s climate.

#4 Awning Windows:

Awning windows are hinged at the top and open outward, creating an awning-like effect. They are ideal for allowing fresh air in while keeping rainwater out, making them a practical choice for Calgary’s climate.

#5 Sliding Windows:

Sliding windows feature one or more movable sashes that slide horizontally. They are easy to operate, provide unobstructed views, and offer good insulation when properly sealed.

#6 Bay and Bow Windows:

Bay and bow windows are popular choices for homeowners looking to enhance the aesthetics of their homes while maximizing natural light and views. They protrude from the exterior wall, creating a sense of space and adding architectural interest.

Selecting the Right Window Frame Material:

The choice of window frame material is essential for durability, maintenance, and energy efficiency. Here are some common window frame materials and their benefits:

#1 Vinyl Frames:

Vinyl frames are a popular choice for Calgary homeowners due to their affordability, low maintenance requirements, and excellent insulation properties. They are resistant to moisture, warping, and fading, making them ideal for Calgary’s climate.

#2 Aluminum Frames:

Aluminum frames are known for their strength, durability, and slim profiles. They are low maintenance and can be customized with different finishes. However, without thermal breaks, they may conduct heat and cold, affecting energy efficiency.

#3 Wood Frames:

Wood frames offer a timeless and natural aesthetic, making them popular among homeowners. Wood is a natural insulator and provides excellent energy efficiency. However, wood frames require regular maintenance to protect against moisture, pests, and weathering.

#4 Fiberglass Frames:

Fiberglass frames are gaining popularity due to their durability, low maintenance requirements, and excellent energy efficiency. They are resistant to warping, expanding, and contracting, making them suitable for Calgary’s climate. Fiberglass frames can be painted or stained to match your home’s aesthetic.

Window Glazing Options:

Window glazing refers to the number of glass panes and the space between them. Multiple glazing options provide enhanced insulation and energy efficiency. Consider the following options for Calgary homes:

#1 Single Glazing:

Single-glazed windows consist of a single pane of glass. While they are the most basic option, they offer minimal insulation and are less suitable for Calgary’s climate. They are prone to heat transfer and may result in energy loss and drafts.

#2 Double Glazing:

Double-glazed windows consist of two glass panes separated by a spacer bar and sealed to create an insulating layer of air or gas between them. This extra layer provides better insulation, reduces heat transfer, and improves energy efficiency.

#3 Triple Glazing:

Triple-glazed windows feature three glass panes separated by two insulating layers. This provides the highest level of insulation and energy efficiency. Triple-glazed windows are particularly beneficial in colder climates like Calgary, as they minimize heat loss and increase comfort.

Additional Features for Enhanced Performance:

To further enhance the performance of your windows in Calgary’s climate, consider the following features:

#1 Low-E Coatings:

Low-E (low emissivity) coatings are microscopically thin layers applied to the glass surface. These coatings help reflect heat back into the room during winter and block UV rays during summer, reducing the need for artificial heating and cooling.

#2 Argon or Krypton Gas Fills:

Argon or krypton gas can be injected into the spaces between double or triple-glazed windows to improve insulation. These gases are denser than air, reducing heat transfer and enhancing energy efficiency.

#3 Warm Edge Spacer Bars:

Warm edge spacer bars are placed between the glass panes of double or triple-glazed windows. These spacer bars insulate the edges of the glass, reducing heat transfer, condensation, and potential drafts.

Finding the Right Window Installation Company in Calgary:

Selecting the right window installation company is crucial for a successful and long-lasting window replacement project. Consider the following factors when choosing a company:

  • Look for companies with a solid reputation and positive customer reviews.
  • Ensure they have the necessary licenses and certifications.
  • Check if they offer warranties on both the windows and the installation.
  • Obtain multiple quotes to compare prices and services.

Real-Time Window Facts in Calgary:

Here are some interesting and relevant facts about windows and energy efficiency in Calgary:

  • Upgrading to energy-efficient windows can reduce heating and cooling costs by up to 25% in Calgary homes.
  • On average, Calgary receives approximately 2,300 hours of sunlight per year, making energy-efficient windows even more valuable in harnessing natural light and reducing the need for artificial lighting.
  • The Government of Alberta provides various energy efficiency programs and incentives for homeowners who invest in energy-saving windows.


Selecting the best windows in Calgary‘s climate is a significant decision for homeowners. By understanding the climate, considering energy efficiency, exploring different window types, frame materials, glazing options, and additional features, you can make an informed choice that enhances the comfort, energy efficiency, and aesthetic appeal of your home. Remember to engage a reputable window installation company and take advantage of available incentives to maximize the benefits of your window replacement project in Calgary.


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