Smart home has become a popular application all over the world. However, the service to interact with smart grid, and the service to guide residents utilize power, are ignored. In this paper, we propose an effective converged service oriented architecture (CSOA) to give a solution for supplying a converged service in smart homes. This architecture not only supports diversified service integrated with smart power consumption service and bi-directional interaction service but supports converged communication service. The architecture is evaluated in practice, and the initial result shows that converged service makes life more comfortable, healthy and energy efficient.