eHem Home - Version 3.1 The eHem Home(TM) software constitutes the client software in the eHem intelligent home system. With eHem Home installed on the home PC, and a eHem web portal account, as well as home automation hardware from X-10 (http://www.x-10.com) the users can control and supervise their homes through the internet. During a trial period, the eHem Portal services are free.