Winter/summer energy-saving film blocks heat, glare and fading rays from the sun. Courtesy of Gila Films

Q: The sun bakes us through our single-pane windows and it's also chilly during winter. Are the lightly-tinted year-round window film kits effective for these issues?

A: Particularly with older single-pane glass, adding window film will increase the efficiency of the glass and improve your comfort. The newer window films are neither highly reflective nor darkly tinted, so your house will not look like an office building with mirrors for windows. Some of the films are barely perceptible once installed on the window glass.

The newer energy-control window films use a technology similar to superefficient glass in new replacement windows. A low-emissivity coating, which is a several-atom

See Full Page