Over the years, Apple has gone all-in on parts pairing. Virtually every component in an iPhone and iPad has a unique ID that’s kept in a big database over at Apple, which limits replacement ...

The best replacement windows keep out noise and the elements while letting in maximum light. They’re easy to open and clean. And they’re energy-efficient, saving you money on utility bills.

The cost of window replacement can vary significantly ... with just one pane sliding up and down. With the minimal moving parts and seals, they’re typically very energy efficient.