4 Window Terms You Need To Understand
When you go shopping for windows, you are going to quickly discover that there is an entire world of window terminology that you are going to need to be familiar with if you want to be able to compare the different windows that you see and make the best buying choice possible. Here are 4 terms you should be familiar with.
R-Value
A window's R-value is a measurement of how well the window is able to resist the flow of heat.