Combination windows are the dream windows for a designer home. Like every home is unique, combination windows add value with their own innate uniqueness. Combination windows are made by clubbing together the features of two windows for forming the perfect window. One can choose from a range of single to multiple fixed or operable panels. For example a tilt and turn window with a sliding option or a casement window with a tilt option is what you are looking at for your dream window.