Cost of Operation. A residential water heater contributes to as much as 30 percent of a household's energy cost-second only to the expense of a home's heating and cooling system. Selecting the right water heater-one that is efficient and the right capacity-can dramatically impact your monthly energy bill.
Use the following steps to force stop an application: 1  Open the Applications tab and tap Settings, and next tap Applications. 2  Tap Manage Applications. 3  In the list of running applications, select the application you wish to close and tap Force Stop.
Find the application(s) you want to close on the list by scrolling up from the bottom. 3. Tap and hold on the application and swipe it to the right. This should kill the process from running and free up some RAM. 4. Navigate to the Apps tab in settings if your phoneâs still running slow.