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.
Review the list of applications to determine which apps you want closed. 4. Tap and drag each app you want closed to the right or left. The apps you drag off-screen will automatically be closed. 1  If you want all apps closed, tap on the âRemove Allâ icon located at the bottom right corner of your screen.