Getting your Trinity Audio player ready... It could be the best home improvement you never see. Or not. It’s hard to know. Window film — a transparent barrier that, its makers say, keeps bad sunrays ...

Q. I cannot afford new windows, but I thought about installing permanent winter/summer film on my old windows. Does it save energy, will it darken my windows and can I install it myself? A. People ...

Q: My budget is limited, but I have to do something to block the sun’s heat and glare through our windows. It is ruining our carpeting, too. What do you think of the low-cost, nearly clear window film ...

Dear Jim: I cannot afford new windows, but I thought about installing permanent winter/summer film on my old windows. Does it save energy, will it darken my windows and can I install it myself? Dear ...

Far from being mere "window dressing", today's most advanced window film is equipped with technologies capable of doing anything from dodging harmful solar rays to saving energy and minimizing damage ...

Q. My single-pane windows are still good, but much heat comes in during summer and it’s chilly near them during winter. Would installing one of the newer year-round or heat-control window films help ...