How do you know which energy rating is the best? What do the ratings mean? In Canada, energy-efficient windows are rated based on their U-Factor, Solar Heat Gain Coefficient, and air leakage grading. Generally, the common rule of thumb is the higher the number of the energy rating, the higher…
With over twenty years serving the Toronto area, we understand the difference high-quality replacement windows or doors can make to the safety, security and energy efficiency of your Toronto house, and to the overall aesthetic and feeling that your home invokes.
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