For his interiors studio, the designer Alfredo Paredes leases a 2,250-square-foot penthouse loft with an enormous skylight on 28th Street and Broadway. The glass slants up 15 feet from the floor and ...

Much attention is focused on efficient lighting-from CFLs and LEDs to advanced controls. But for daytime lighting, you can avoid electricity use altogether -- with daylighting. Most daylighting is ...

Few upgrades transform a home quite like adding natural light. Skylights aren't just beautiful; they serve a purpose, too: reducing energy use, improving indoor comfort and even boosting individuals' ...

Q: My home needs new windows. What do I need to know about choosing the best windows for the Arizona climate? A: Choosing the best window for your home here in the hot and arid desert can be a ...