Can Window Film be used on Low E windows?
Whether window film should be used on low E windows and how much you will benefit depends on three factors: 1. Type of low E surface used on glass. 2. Location of low E surface in the window system. 3. 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. Obviously there will be more heat gain reduction using film on the first type. 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.
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. Obviously there will be more heat gain reduction using film on the first type. 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.
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 benefits. There are two basic types of low E surfaces on glass. One of these is a conductive coating put on the glass as it is made. It gives some heat loss reduction, but does little to reduce heat gain. 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. Obviously, there will be more heat gain reduction using film on the first type. If there is any question about the type you may have, ask your glass company or the window film 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 be used. If the low E coating is on the room-side
