Ottawa Northstar and Del vinyl window replacement

Window & entrance door replacement specialists, serving the Ottawa and surrounding areas of Kanata, Stittsville, Richmond and Manotick for over 25 years

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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?

What is a Solar Heat Gain Coefficient?

the higher the SHGC, the number, the greater the solar gain

Let the sun shine in, or not. The Solar Heat Gain Coefficient (SHGC) measurement can help you achieve a desired increase or decrease in the amount of solar radiation (heat) passing through a window into your home.

What is a window U-factor

The lower the U-value, the better the window is at keeping the heat in during the winter and the better it insulates

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.