An aluminum window is a great replacement window for your home remodel. Aluminum windows are typically double paned windows that are cased with aluminum.Aluminum windows are a low maintenance choice that will fit any budget. They are quality windows, designed and manufactured for years of reliable performance and smooth operation. They open and close easily and quietly. The durable aluminum window frame and sash feature an attractive painted finish in your choice of white or bronze. The energy-efficient design of these aluminum windows includes features such as a double weatherstripping and interlocking meeting rails to keep wind and water out – air conditioning and heating in.