Can solar control window film be applied on Low E windows?
Whether window film should be used on low E windows and how much you will benefit depends on three factors: • Type of low E surface used on glass • Location of low E surface in the window system • The desired amount of heat gain reduction, heat loss reduction, or other film benefits. There are two basic types of low E surfaces on glass. One of these is a conductive coating put on glass as it is being made. It gives some heat loss reduction, but does little to reduce heat gain into a building. The second type is a more complex system of multiple layers of metals and conductive coatings deposited on glass after it has been made. This type of low E glass gives heat reductions of 30% to 50% in addition to reducing heat loss. If there is any question about the type you may have, ask your glass company or the window manufacturer to send you the specific information about your glass. The location of the low E surface in your window system is also very important in deciding whether film should
