Hometech Windows and Doors Inc All About Windows Replacement | Page 6

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Educate yourself about the types of
replacement windows available in the market.
You should also consider Energy-Star ratings
when making a purchase. For instance, if you
want a window that is good at keeping heat
inside your room, you should check U-value or U-
factor before making a purchase. Similarly, it is a
good idea to consider solar heat gain
coefficient to know how good your window is
when it comes to blocking unwanted heat.