Energy efficiency in building wireless sensor networks using smart

Since energy is the most fundamental force in human life and the loss and destruction of natural resources will lead to increased costs ;tried to use modern electronic methods , such as home automation networks , including wireless sensors are to manage at home , such as remote control , smart energy , security, smart buildings used or to the ability to meet and electrical switches are smart , make the users comfort , lower costs , BEMS needs of their users using the system energy savings are , in order to avoid wasting energy efficiency and move forward.