For the people who love to welcome the day with the ray of sunlight would always love to have roof window on the top of their roof. Besides, allowing the light to enter the room it also adds an aesthetic element to whole house. Well, rooftop windows are said to be one of the best interior plans you can have in your house. At the same time it saves a lot of power cost as well. The room remains bright during day and becomes beautifully romantic at nights.