☆Low Maintenance – These windows are built with fewer parts than other conventional windows. This aspect makes them low maintenance as well as being cost effective for homeowners like you. ☆ Durability – Pulleys or even springs wear and fail over a time period. Slider windows do not rely on these particular components to open; most windows of this style also use glazing that adds to their durability. ☆ Energy efficiency – Because these windows do use quality window glazing, they’re very energy efficient. The end result will be more money in your pocket, less money paid out to your energy bills. ☆ They’re simple to clean: Most sliding windows feature panels that lift out completely, making them easy to clean.