Replacement windows have energy-efficiency labels, just as you’ll find on home appliances like refrigerators and dryers. But these labels, created by the National Fenestration Rating Council (NFRC), ...

Consumer Reports has no financial relationship with advertisers on this site. If you've shopped for replacement windows, you've probably seen the National Fenestration Rating Council (NFRC) window ...

Ever feel like you are literally throwing money out the window? If you have inefficient windows, you are probably spending more than you should on your energy bill each month. With efficient ...

Windows and doors make up 41% of heat transfer in a home, no matter the time of year, and account for 45% of heating and cooling costs. Understanding how they lose, gain and maintain heat is essential ...

Whether you’re buying windows for a new house or to replace some leaking clunkers past their prime, look beyond extravagant sales claims to a small label in the corner. It lists several ratings (on ...

If you’re in the market for new home windows, you’re probably hearing a lot about window performance. And if you’re not well-versed in window technologies, you may be wondering just what that means.

Dear Tim: I’m about to start a window replacement project. My husband wants vinyl windows because of the easy maintenance, but I’m not a big fan of those. There seem to be many choices, and that’s ...

Shopping for new windows means sorting through an overwhelming amount of numbers, options, performance factors and styles. But once you learn the basics, you'll work your way around the stats like a ...

If you're in the market for new home windows, you're probably hearing a lot about window performance. And if you're not well-versed in window technologies, you may be wondering just what that means.