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What makes a window much more energy efficient?
Windows are an important consideration in the passive solar management of a home, potentially providing free heating, free cooling, and free lighting. Window manufacturers and installers strive to offer energy efficient window solutions that will help you save on energy costs. This infographic explains 8 areas that manufacturers and installers focus on to make windows more energy efficient.
What is
Low-e glass?
LoE glass, also known as Low-emissivity glass or low-E glass, is a glass with properties that reflect radiant heat, thus potentially improving the thermal efficiency of a window. Emissivity is a measure of how much a glass surface transfers radiant heat through it.
Canada Greener Homes Initiative - Advice and Grants
In the interest of improving energy efficiency and reducing greenhouse gas emissions in Canada, the Government of Canada is articulating advice, eligible measures and associated grants to qualifying homeowners.
New ENERGY STAR climate zones for windows (2020 - present day)
Even though windows do not consume energy, they can be a significant source of heat loss in a home. ENERGY STAR qualified windows will save you money by reducing the overall annual energy costs. ENERGY STAR windows will also help keep your home more comfortable all-year-round and may have less condensation in cold weather compared with a conventional non-certified product.
What is an Energy Star Energy Rating?
Although windows and doors do not consume energy, they can be a significant source of energy loss. If you are buying windows with energy efficiency in mind, then the ER will help you make standardized window product comparisons.
Having trouble reading window ratings?
Reading window and glass ratings are easily confusing, sometimes the high number is better and sometimes the lower number is better. Here are a few tips to help you out.
What are Energy Star climate zones (2015-2019)
(As of January 1st, 2020, Canada has only one climate zone - See update)
ENERGY STAR qualified products in Canada can be classified into 3 climate zones. To qualify for a zone, a product must meet a minimum set of specifications. But to maximize energy cost-saving efficiency, there are other factors to consider.
Balancing energy costs and comfort - 3 Scenarios
Windows provide light, warmth and ventilation, but they also decrease home energy-efficiency and can affect the comfort in your home. Choosing the right glass option will allow you to find a balance between energy costs and the desired level of home comfort.
What is a window U-factor
In Ottawa, our windows lose heat to the outside during the colder months and gain heat from the outside during the warmer months. U-factors allow consumers to compare the insulating properties of different window products in order to optimize home comfort.
Understanding the R-value
The R-value which has actually been around for some time now has become an increasingly popular measurement for the use in window sales. How come?
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Windows
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Category Posts:
What makes a window much more energy efficient?
What is
Low-e glass?
Low-e glass?
Canada Greener Homes Initiative - Advice and Grants
New ENERGY STAR climate zones for windows (2020 - present day)
What is an Energy Star Energy Rating?
Having trouble reading window ratings?
What are Energy Star climate zones (2015-2019)
Balancing energy costs and comfort - 3 Scenarios
What is a window U-factor
Understanding the R-value
What is a Solar Heat Gain Coefficient?
Understanding visual transmittance in windows
