European windows are perfect for replacement as they don’t require complicated installation. Tilt and turn windows have long term durability and perform well after decades of service. GL Advanced Windows provides windows and doors of a variety of styles and sizes. Our goal is to find a perfect solution for each specific case. Sun heat gain protection can be very useful if one of the larger windows is facing South or West. Such position can lead to severe overheating and, consequently, temperature imbalance inside a house.