The amount of light you let into your home is a matter of personal taste. When replacing your windows, understanding the VT will help you get it right.
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.
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?