The role of gaming systems in home entertainment is evolving as quickly as the technology that powers them. More popular by the minute, these single- to multi-player consoles offer an excellent opportunity for socializing with family members and friends. They also provide a great avenue for savings. If you’re looking into purchasing a gaming system, consider its energy efficiency as carefully as its versatility, functions and features. Certain systems use six times more power—and will cost you six times as much in energy costs—than their peers.