What is Visible Transmittance (VT)?

Visible Transmittance VT is the measurement of how much visible light travels through a window into your home.

 

Essentially, Visible Transmittance VT is the measurement of how much visible light travels through a window into your home. There are many things you need to consider before purchasing a new window, such as its energy efficiency and durability, and its visible transmittance is another significant factor, especially if a lot of natural light in your home is important to you. A lot goes into rating windows and their efficiency and while VT is not as geared towards saving energy as other types of window ratings, it is something you should consider before replacing your windows. To read more about VT, check out this blog here.