Timekey Glazing
Vinyl windows as well as aluminum cased Window Glazing and hard wood windows are all still very popular with the vinyl window being more popular because of the nicer looks, but both serve well in terms of increased R factors. You could almost look at the investment as one that earns about 12% or more because that is what is estimated that you will save per month on your utility bills because of the installation of the double glazing windows.
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Timekey Glazing
