Understanding NFRC

Most windows will come with an NFRC sticker, but for many people it’s filled with terms and numbers that are unfamiliar. Below you will find an image that helps break down what each number is and how it can affect the comfort of your home.

For more information on each of the numbers, simply mouse over the  image areas below.

Since the weakest insulation point of any window is the frame, it is important that the measurements of a windows insulation values (R-Value or U-Factors) are given as full frame values and not only Center of Glass (COG). It is easier to get a higher insulating value when just measuring the COG, and it is much more difficult to get a high insulation value when measuring the full frame insulation power of a window.

There are many different aspects one must consider when looking for a new or replacement windows. At lot of the energy saving features will depend greatly on your location. For help in finding the best window solution for your home for energy savings, contact us today.