The benefits of sash windows and sliding glass doors are diverse and well established. These devices let the sun pour in--and that means you won't have to use electricity for lighting as much; it also saves on energy costs.On the other hand, the ventilation sunshine brings to our rooms can only enhance indoor air quality. The sliding glass door is particularly space-efficient, because it does not need to swing out in a wide curve but can be opened and closed at one end. This makes them perfect for places where space is scarce.Besides, their large glass panes create a "fuzzy" connection with the surrounding terrain. The sense of space inside seems to be even more pronounced this way. They are also constituted to be tightly sealed. This helps to maintain interior temperatures and cuts down on noise from outside. This all adds up in favor of replacing one's windows with new ones, or getting some sliding doors. It starts as a practical necessity for homeowners who want their house build better.