Floor lamps are normally used to provide task lighting such as a reading lamp next to a chair. Designer floor lamps play an important role in room décor and can transform the look of your room. The two most important factors to think about when deciding which floor lamp to buy are size and lightbulbs. You want your floor lamp make a big impact in a room so keep in mind how well the light will work in your space and whether it will compliment your décor. Decide on whether your looking more for practicality or just a room feature.