I needed a ceiling fan for a medium sized, upstairs extra room at our house.  As it can get pretty warn in the summer I wanted the 52" blades.  As I installed it myself (I am by no means a handy man) I would suggest you take your time and follow the instructions. Once installed I was impressed by the lack of noise and airflow.  I usually leave all of my ceiling fans on high all of the time.  Great value.