Do you need a new look for your house but also strive to lower your utility bills? Then consider new windows that save heating and cooling costs all year round for your next renovation project.

But even though new energy-efficient windows may seem like the obvious choice, there are several factors to consider first. That is why we put all of your questions to the experts at Ecoline Windows, so they elaborate on how you benefit from installing new replacement windows that offer high energy efficiency and boost the thermal performance of your property.

Moreover, this blog also explains why and how energy-efficient windows may lessen your home’s carbon footprint and utility bills. So stay tuned!

What Factors into The Energy Efficiency of Windows?

A more comfortable house with less heat loss is possible thanks to windows that are energy efficient.

Multiple techniques are included in creating today’s energy-saving glass for windows. Let’s check what factors into the energy efficiency of windows.

Triple-glazed windows

The most prominent window area is made up of glazing, making it the most vulnerable to the elements. Windows with two or more panes are the most effective in preventing warm air from escaping. That is why double and triple pane windows are today’s most common solution for Canadian houses.

Double pane windows are functional in the prairie climate. But regions with longer, more severe winters should install triple-pane windows. But even though the majority of the best window and door companies offer triple-glazed windows, they ask for 10-15% more investment to manufacture and install these units.

Krypton and Argon gas to fill the spacers

When filled with argon or krypton gas, windows become more energy efficient. Krypton or argon gas seals these voids and prevents heat transfer. Both gases are about 50% as effective as air in carrying heat.

LoE coating for your new windows

Insulating glass helps reduce exposure to harmful UV rays from the sun. It’s effective against 90% of harmful UV rays.

Home heating costs are reduced because of the increased efficiency of heat retention. This glass coat is excellent for the summer since it blocks the sun’s rays and keeps you cooler. Multiple configurations of this glass covering may be used, depending on the severity of the winters.

The Advantages of Energy-Efficient Windows

There should be less confusion about energy-efficient windows today. However, do you think it’s worth it to have new windows if it costs that much? Read on to find out.

Better insulation

Inert gas components of double or triple pane construction provide energy-efficient windows with superior insulating properties compared to single-pane windows. As a result, neither hot nor cold air will escape.

Reduced cost of energy

Due to advancements in energy efficiency, you may now cool your home without relying only on your HVAC system. Having windows that have earned the Energy Star label means they are around 20% more efficient than the average window, allowing you to regulate the temperature in your house better and save money on your monthly power costs.


The insulation of these windows helps to lessen the effects of background noise. Low-energy windows protect you from the roar of traffic and the wind.

Security of Property

Sunlight has been scientifically shown to degrade upholstery over time. Strong panes of glass may prevent ultraviolet light from entering your home. Carpets, walls, and floors will maintain their original hues.

Benefits to the environment

Older HVAC systems, especially those that run on fuel or gas, benefit from the reduced use of energy-efficient windows.

What affects your windows’ energy efficiency performance?

Three elements affect a window’s energy efficiency. These three traits indicate a window satisfies basic requirements.


U-factor measures how quickly windows, doors, and other units lose heat. U-factor windows may be glazed. Low U-factor products utilize less energy.

R-value measures a window’s insulation – It shows how effectively it retains heat. Glazing is the primary determinant of the R-value; hence more panes may raise it.

The Solar Heat Gain Coefficient (SHGC)

Indicates how much solar energy your windows let in. When the SHGC is low, less solar heat is transmitted through windows. Local climate should determine the window’s SHGC grade.

So how to get the best energy-efficient windows?

Now that you know the benefits of energy-efficient windows, you may ask how to identify whether a particular model has them. In Canada, if your windows are Energy Star rated, they are suitable to be installed and utilized since they were checked and approved to comply with industry changes regarding energy efficiency.

Moreover, your new windows should be tested, certified, and verified independently by the National Fenestration Rating Council (NFRC), ensuring the units you buy meet the efficiency guidelines.

The Bottom Line

While installing new windows for your house is sure the right choice for improved energy efficiency, you should remember that what is even more important than high-quality windows is correct installation. Poorly installed windows may be a significant problem, making your energy-saving windows useless.

Before making a final choice, it’s a good idea to do some research. Find your local experienced window installer, check what they can offer, ask for a lifetime warranty and make sure your installer is licensed and works according to the CSA installation guidelines.